/* =====================================================================
   FitTrack - Hoja de estilos principal

   Mobile-first: los estilos base son para móvil y las media queries
   añaden lo necesario en pantallas grandes.

   Tema: todos los colores salen de variables en :root. El bloque oscuro
   redefine SOLO las variables, con dos disparadores: la preferencia del
   sistema (prefers-color-scheme) y el interruptor manual, que pone
   data-theme="dark" o "light" en <html> (ver theme.js y app.js).
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. Variables
   --------------------------------------------------------------------- */
:root {
    color-scheme: light;

    --color-primary:        #e8590c;
    --color-primary-dark:   #c94a06;
    --color-primary-light:  #fff0e6;
    --color-primary-text:   #ffffff;

    --color-text:           #1a222d;
    --color-text-soft:      #4b5563;
    --color-text-muted:     #6b7280;

    --color-bg:             #f4f5f7;
    --color-surface:        #ffffff;
    --color-surface-2:      #f3f4f6;
    --color-border:         #e5e7eb;
    --color-border-strong:  #d1d5db;
    --color-track:          #eceef1;

    --color-success:        #0b8457;
    --color-success-bg:     #e6f6ef;
    --color-error:          #c92a2a;
    --color-error-bg:       #fdecec;
    --color-warning:        #b26b00;
    --color-warning-bg:     #fff6e5;
    --color-info:           #1864ab;
    --color-info-bg:        #e7f1fb;

    --color-protein:        #1c7ed6;
    --color-carbs:          #f59f00;
    --color-fat:            #ae3ec9;

    --radius:               14px;
    --radius-sm:            10px;
    --radius-xs:            6px;
    --shadow:               0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
    --shadow-lg:            0 8px 24px rgba(16, 24, 40, .10);
    --focus-ring:           0 0 0 3px var(--color-primary-light);

    --space-xs:             .5rem;
    --space-sm:             .75rem;
    --space-md:             1rem;
    --space-lg:             1.5rem;
    --space-xl:             2rem;

    --nav-height:           3.75rem;
    --topbar-height:        3.5rem;

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Tema oscuro: por preferencia del sistema (salvo que el interruptor
   fuerce el claro) o forzado con el interruptor. Mismas variables. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;

        --color-primary:        #ff7a2f;
        --color-primary-dark:   #ff9051;
        --color-primary-light:  rgba(255, 122, 47, .16);
        --color-primary-text:   #1a0d04;

        --color-text:           #e6e9ee;
        --color-text-soft:      #b3bcc9;
        --color-text-muted:     #8792a2;

        --color-bg:             #0f141b;
        --color-surface:        #171d26;
        --color-surface-2:      #1f2733;
        --color-border:         #2a3441;
        --color-border-strong:  #3a4553;
        --color-track:          #263040;

        --color-success:        #4cd39a;
        --color-success-bg:     rgba(76, 211, 154, .14);
        --color-error:          #ff7b7b;
        --color-error-bg:       rgba(255, 123, 123, .14);
        --color-warning:        #ffc46b;
        --color-warning-bg:     rgba(255, 196, 107, .14);
        --color-info:           #7db8ff;
        --color-info-bg:        rgba(125, 184, 255, .14);

        --color-protein:        #5aa9f0;
        --color-carbs:          #ffb62e;
        --color-fat:            #cf6ee8;

        --shadow:               0 1px 2px rgba(0, 0, 0, .35);
        --shadow-lg:            0 8px 24px rgba(0, 0, 0, .45);
        --focus-ring:           0 0 0 3px rgba(255, 122, 47, .35);
    }
}

:root[data-theme="dark"] {
    color-scheme: dark;

    --color-primary:        #ff7a2f;
    --color-primary-dark:   #ff9051;
    --color-primary-light:  rgba(255, 122, 47, .16);
    --color-primary-text:   #1a0d04;

    --color-text:           #e6e9ee;
    --color-text-soft:      #b3bcc9;
    --color-text-muted:     #8792a2;

    --color-bg:             #0f141b;
    --color-surface:        #171d26;
    --color-surface-2:      #1f2733;
    --color-border:         #2a3441;
    --color-border-strong:  #3a4553;
    --color-track:          #263040;

    --color-success:        #4cd39a;
    --color-success-bg:     rgba(76, 211, 154, .14);
    --color-error:          #ff7b7b;
    --color-error-bg:       rgba(255, 123, 123, .14);
    --color-warning:        #ffc46b;
    --color-warning-bg:     rgba(255, 196, 107, .14);
    --color-info:           #7db8ff;
    --color-info-bg:        rgba(125, 184, 255, .14);

    --color-protein:        #5aa9f0;
    --color-carbs:          #ffb62e;
    --color-fat:            #cf6ee8;

    --shadow:               0 1px 2px rgba(0, 0, 0, .35);
    --shadow-lg:            0 8px 24px rgba(0, 0, 0, .45);
    --focus-ring:           0 0 0 3px rgba(255, 122, 47, .35);
}

/* ---------------------------------------------------------------------
   2. Reinicio básico
   --------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: calc(var(--topbar-height) + var(--space-md));
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    /* Espacio para la barra de navegación inferior en móvil. */
    padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px) + var(--space-md));
}

h1, h2, h3 {
    line-height: 1.25;
    margin: 0 0 var(--space-sm);
    letter-spacing: -.01em;
    font-weight: 700;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* El atributo hidden manda sobre cualquier display de una clase. */
[hidden] { display: none !important; }

button, input, select, textarea { font-family: inherit; color: inherit; }

/* Números alineados en todo lo que sea cifra. */
.big-number, .stat__value, .ring__value, .sets-table td, .data-table td,
.bar-row__value, .list__meta strong, .kpi strong { font-variant-numeric: tabular-nums; }

/* Foco siempre visible: accesibilidad con teclado. */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    background: var(--color-primary);
    color: var(--color-primary-text);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    z-index: 100;
}
.skip-link:focus { left: var(--space-sm); top: var(--space-sm); }

/* Iconos SVG en línea (helper icon()). Heredan el color y escalan con el texto. */
.icon {
    width: 1.25em;
    height: 1.25em;
    vertical-align: -.28em;
    flex-shrink: 0;
}

/* ---------------------------------------------------------------------
   3. Estructura
   --------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-md);
}

.page-title {
    font-size: 1.6rem;
    margin-bottom: var(--space-md);
}

/* Botón de volver: se pone encima del título de la página. */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    min-height: 2.15rem;
    padding: .3rem .75rem .3rem .55rem;
    margin-bottom: var(--space-sm);
    border: 1px solid var(--color-border-strong);
    border-radius: 999px;
    background: var(--color-surface);
    color: var(--color-text-soft);
    font-size: .82rem;
    font-weight: 600;
    transition: border-color .15s ease, background-color .15s ease, color .15s ease;
}
.back-link:hover { text-decoration: none; color: var(--color-text); border-color: var(--color-text-muted); background: var(--color-surface-2); }
.back-link .icon { width: 1rem; height: 1rem; }

/* Cabecera de página con título, texto de apoyo y una acción a la derecha. */
.page-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}
.page-head .page-title { margin-bottom: var(--space-xs); }
.page-head__main { min-width: 0; flex: 1 1 22rem; }
.page-head__actions { display: flex; flex-wrap: wrap; gap: var(--space-xs); align-items: center; }
.page-lead {
    margin: 0;
    color: var(--color-text-soft);
    font-size: .95rem;
    max-width: 44rem;
}
.page-lead .tag { vertical-align: baseline; }

/* Barra superior */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-height: var(--topbar-height);
    padding: 0 var(--space-md);
    background: color-mix(in srgb, var(--color-surface) 88%, transparent);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 20;
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
    .topbar { background: var(--color-surface); }
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -.02em;
}
.brand:hover { text-decoration: none; }
.brand__text { white-space: nowrap; }
.brand__accent { color: var(--color-primary); }
.brand__mark,
.brand .brand__mark {
    display: inline-flex;
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 8px;
    background: var(--color-primary);
    color: #fff;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.brand__mark .icon { width: 1.2rem; height: 1.2rem; vertical-align: 0; stroke-width: 2.2; }

.topbar__user,
.topbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}
.topbar__name {
    font-size: .875rem;
    color: var(--color-text-soft);
    max-width: 9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.topbar__logout-label { display: none; }

.inline-form { display: inline; margin: 0; }

/* Botón cuadrado solo con icono (tema, etc.) */
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-soft);
    cursor: pointer;
    transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.icon-btn:hover { background: var(--color-surface-2); color: var(--color-text); }
.icon-btn .icon { width: 1.2rem; height: 1.2rem; vertical-align: 0; }

/* Interruptor de tema: luna en claro, sol en oscuro. */
.theme-toggle__sun { display: none; }
.theme-toggle__moon { display: inline-flex; }
:root[data-theme="dark"] .theme-toggle__sun { display: inline-flex; }
:root[data-theme="dark"] .theme-toggle__moon { display: none; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle__sun { display: inline-flex; }
    :root:not([data-theme="light"]) .theme-toggle__moon { display: none; }
}

/* Inicial del usuario */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 700;
    font-size: .95rem;
    text-decoration: none;
    border: 1px solid transparent;
}
.avatar:hover { text-decoration: none; border-color: var(--color-primary); }

/* Navegación: barra inferior en móvil */
.mainnav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    background: color-mix(in srgb, var(--color-surface) 92%, transparent);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    backdrop-filter: saturate(160%) blur(12px);
    border-top: 1px solid var(--color-border);
    padding: 4px 4px calc(4px + env(safe-area-inset-bottom, 0px));
    z-index: 30;
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
    .mainnav { background: var(--color-surface); }
}

.mainnav__link {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: calc(var(--nav-height) - 8px);
    padding: var(--space-xs) 2px;
    border-radius: var(--radius-sm);
    font-size: .7rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-align: center;
    transition: color .15s ease, background-color .15s ease;
}
.mainnav__link:hover { text-decoration: none; color: var(--color-text); }
.mainnav__link.is-active { color: var(--color-primary); font-weight: 600; }
.mainnav__link.is-active .mainnav__icon {
    background: var(--color-primary-light);
}
.mainnav__link--disabled { opacity: .4; cursor: not-allowed; }
.mainnav__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 1.75rem;
    border-radius: 999px;
    font-size: 1.25rem;
    line-height: 1;
    transition: background-color .15s ease;
}
.mainnav__icon .icon { width: 1.35rem; height: 1.35rem; vertical-align: 0; }

/* Pie: mismo ancho y márgenes que .container, alineado con las tarjetas. */
.footer {
    margin-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    font-size: .8rem;
    color: var(--color-text-muted);
}
.footer__inner {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
}
.footer p { margin: 0 0 var(--space-xs); }
.footer__brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 600;
    color: var(--color-text-soft);
}
.footer__brand .brand__mark { width: 1.35rem; height: 1.35rem; border-radius: 6px; }
.footer__brand .brand__mark .icon { width: .85rem; height: .85rem; }
.footer__disclaimer { max-width: 44rem; margin: 0; font-size: .75rem; line-height: 1.5; }

/* ---------------------------------------------------------------------
   4. Tarjetas
   --------------------------------------------------------------------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}
.card--compact { padding: var(--space-md); }
.grid > .card { margin-bottom: 0; }
.card--muted { background: var(--color-surface-2); box-shadow: none; }

.card__title {
    font-size: 1.05rem;
    margin-bottom: var(--space-md);
}
.card__subtitle {
    font-size: .95rem;
    margin: var(--space-lg) 0 var(--space-xs);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}
.card__note {
    font-size: .8rem;
    color: var(--color-text-muted);
    margin: var(--space-sm) 0 0;
}

.grid { display: grid; gap: var(--space-md); }
.grid--cards { grid-template-columns: 1fr; margin-bottom: var(--space-lg); }

/* ---------------------------------------------------------------------
   5. Formularios
   --------------------------------------------------------------------- */
.field { margin-bottom: var(--space-md); border: 0; padding: 0; min-width: 0; }

.field label,
.field legend {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--color-text-soft);
    margin-bottom: var(--space-xs);
    padding: 0;
}
.field__optional { font-weight: 400; color: var(--color-text-muted); }

.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="number"],
.field input[type="date"],
.field input[type="search"],
.field select,
.field textarea {
    width: 100%;
    /* 16px evita que iOS haga zoom al enfocar el campo. */
    font-size: 16px;
    color: var(--color-text);
    padding: .7rem .85rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    transition: border-color .15s ease, box-shadow .15s ease;
    min-height: 2.75rem;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--color-text-muted); opacity: .8; }

/* Flecha propia para los desplegables, coherente en todos los navegadores. */
.field select {
    -webkit-appearance: none;
    appearance: none;
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .75rem center;
    background-size: 1.1rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
    outline: none;
}

.field input:disabled,
.field select:disabled {
    background: var(--color-surface-2);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.field textarea { resize: vertical; min-height: 3.5rem; }

.field .has-error { border-color: var(--color-error); }

.field__hint {
    font-size: .78rem;
    color: var(--color-text-muted);
    margin: var(--space-xs) 0 0;
}
.field__error {
    font-size: .8rem;
    color: var(--color-error);
    margin: var(--space-xs) 0 0;
    font-weight: 500;
}

.field-row { display: grid; gap: var(--space-md); grid-template-columns: 1fr; }

/* Pie de formulario: nota a la izquierda, botón a la derecha. */
.form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}
.form-footer .card__note,
.form-footer .quota { margin: 0; flex: 1 1 14rem; }

/* Radios en forma de tarjeta: el botón a la izquierda, el texto (y su
   descripción opcional .radio-card__meta) a la derecha, siempre alineados. */
.radio-group { display: grid; gap: var(--space-sm); }

.radio-card,
.field .radio-card,
.field label.radio-card {
    display: grid;
    grid-template-columns: 1.25rem minmax(0, 1fr);
    align-items: start;
    column-gap: .75rem;
    padding: .85rem 1rem;
    border: 1.5px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    cursor: pointer;
    font-weight: 600;
    font-size: .95rem;
    line-height: 1.35;
    color: var(--color-text);
    margin: 0;
    transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.radio-card:hover { border-color: var(--color-primary); }
.radio-card > span { display: block; min-width: 0; }
.radio-card input {
    accent-color: var(--color-primary);
    width: 1.25rem;
    height: 1.25rem;
    margin: .05rem 0 0;
    cursor: pointer;
}
.radio-card:has(input:checked) {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    box-shadow: inset 0 0 0 1px var(--color-primary);
}
.radio-card:has(input:focus-visible) { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.radio-card input:focus-visible { outline: none; }

.switch,
.field .switch,
.field label.switch {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: .9rem;
    cursor: pointer;
    color: var(--color-text-soft);
    margin: 0;
}
.switch input { accent-color: var(--color-primary); width: 1.15rem; height: 1.15rem; }

/* ---------------------------------------------------------------------
   6. Botones
   --------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    /* 44px de alto mínimo: objetivo táctil cómodo. */
    min-height: 2.75rem;
    padding: .65rem 1.2rem;
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.2;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: background-color .15s ease, border-color .15s ease, transform .08s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn .icon { width: 1.1em; height: 1.1em; vertical-align: 0; }

.btn--primary {
    background: var(--color-primary);
    color: var(--color-primary-text);
    box-shadow: 0 1px 2px rgba(232, 89, 12, .25);
}
.btn--primary:hover { background: var(--color-primary-dark); }

.btn--secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border-strong);
}
.btn--secondary:hover { background: var(--color-surface-2); border-color: var(--color-text-muted); }

.btn--ghost {
    background: transparent;
    color: var(--color-text-soft);
    border-color: var(--color-border);
}
.btn--ghost:hover { background: var(--color-surface-2); color: var(--color-text); }

.btn--sm { min-height: 2.15rem; padding: .35rem .8rem; font-size: .82rem; gap: .35rem; }
.btn--block { width: 100%; }
.btn--disabled { opacity: .45; pointer-events: none; }

/* ---------------------------------------------------------------------
   7. Avisos
   --------------------------------------------------------------------- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    border-left-width: 4px;
    margin-bottom: var(--space-md);
    font-size: .9rem;
    background: var(--color-surface);
}
.alert__icon {
    display: inline-flex;
    font-weight: 700;
    line-height: 1.5;
    margin-top: .05rem;
}
.alert__icon .icon { width: 1.2rem; height: 1.2rem; vertical-align: 0; }

.alert--success { background: var(--color-success-bg); border-color: var(--color-success); color: var(--color-success); }
.alert--error   { background: var(--color-error-bg);   border-color: var(--color-error);   color: var(--color-error); }
.alert--warning { background: var(--color-warning-bg); border-color: var(--color-warning); color: var(--color-warning); }
.alert--info    { background: var(--color-info-bg);    border-color: var(--color-info);    color: var(--color-info); }
.alert a { color: inherit; text-decoration: underline; font-weight: 600; }

/* ---------------------------------------------------------------------
   8. Datos y estadísticas
   --------------------------------------------------------------------- */
.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface-2);
    border-radius: var(--radius-sm);
}
.stat--highlight { background: var(--color-primary-light); }

.stat__label { font-size: .72rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.stat__value { font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.stat__unit  { font-size: .75rem; color: var(--color-text-muted); }

.big-number {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
    margin: 0 0 var(--space-sm);
    letter-spacing: -.02em;
}
.big-number__unit { font-size: 1rem; font-weight: 500; color: var(--color-text-muted); letter-spacing: 0; margin-left: .25rem; }
.big-number--over { color: var(--color-warning); }

/* Anillo de progreso (calorías del día). --pct va de 0 a 100. */
.ring-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}
.ring {
    --pct: 0;
    --ring-size: 9.5rem;
    --ring-width: .8rem;
    --ring-color: var(--color-primary);
    position: relative;
    width: var(--ring-size);
    height: var(--ring-size);
    border-radius: 50%;
    background: conic-gradient(var(--ring-color) calc(var(--pct) * 1%), var(--color-track) 0);
    flex-shrink: 0;
}
.ring::before {
    content: "";
    position: absolute;
    inset: var(--ring-width);
    border-radius: 50%;
    background: var(--color-surface);
}
.ring--over { --ring-color: var(--color-warning); }
.ring__inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-md);
}
.ring__value { font-size: 1.75rem; font-weight: 800; line-height: 1; letter-spacing: -.02em; }
.ring--over .ring__value { color: var(--color-warning); }
.ring__label { font-size: .72rem; color: var(--color-text-muted); margin-top: 4px; line-height: 1.2; }

.ring-card__side { display: grid; gap: var(--space-sm); flex: 1 1 8rem; }
.kpi { display: flex; flex-direction: column; font-size: .95rem; }
.kpi__label { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-muted); font-weight: 600; }
.kpi strong { font-size: 1.15rem; }
.kpi small { color: var(--color-text-muted); }

.macro-list { list-style: none; padding: 0; margin: 0; font-size: .875rem; }
.macro-list li { display: flex; align-items: center; gap: var(--space-xs); padding: 2px 0; }
.macro-list strong { margin-left: auto; }

.dot { width: .6rem; height: .6rem; border-radius: 50%; display: inline-block; }
.dot--protein { background: var(--color-protein); }
.dot--carbs   { background: var(--color-carbs); }
.dot--fat     { background: var(--color-fat); }

.trend { font-size: .85rem; font-weight: 600; margin: var(--space-xs) 0 0; }
.trend--down { color: var(--color-success); }
.trend--up   { color: var(--color-warning); }

/* ---------------------------------------------------------------------
   9. Tarjeta de acceso / registro
   --------------------------------------------------------------------- */
.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xl) var(--space-lg);
    max-width: 26rem;
    margin: var(--space-xl) auto;
}
.auth-card__title { font-size: 1.5rem; margin-bottom: var(--space-xs); }
.auth-card__subtitle { color: var(--color-text-soft); font-size: .9rem; margin: 0 0 var(--space-lg); }
.auth-card__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    font-size: .875rem;
    text-align: center;
}

.topbar--guest { justify-content: center; }

.debug-box {
    background: #1a222d;
    color: #e6e9ee;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: .72rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    text-align: left;
}

/* ---------------------------------------------------------------------
   10. Componentes comunes y del módulo de gimnasio
   --------------------------------------------------------------------- */

/* Utilidades */
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }
.full-width { grid-column: 1 / -1; width: 100%; }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* Cabecera de tarjeta con acción a la derecha */
.card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.card__header .card__title { margin-bottom: var(--space-md); }
.card__header > div > .card__title { margin-bottom: var(--space-xs); }
.card__header > div > .list__meta { margin-bottom: var(--space-md); }

/* Fila de botones */
.actions-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

/* Listas */
.list { list-style: none; padding: 0; margin: 0; }

.list__item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xs) var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: .92rem;
}
.list__item:last-child { border-bottom: none; }
.list__item--stacked { align-items: flex-start; }

.list--compact .list__item { padding: .4rem 0; font-size: .875rem; }

.list__title { font-weight: 600; color: var(--color-text); }
a.list__title:hover { color: var(--color-primary); }
.list__item > a:not(.btn):not(.btn-link):not(.list__title) { font-weight: 600; color: var(--color-text); }
.list__item > a:not(.btn):not(.btn-link):not(.list__title):hover { color: var(--color-primary); }

.list__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
    font-size: .8rem;
    color: var(--color-text-muted);
    margin: 2px 0 0;
}

.list__actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-left: auto;
}

/* Etiquetas */
.tag {
    display: inline-block;
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: .15rem .5rem;
    border-radius: 999px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    vertical-align: middle;
    white-space: nowrap;
}
.tag--muted   { background: var(--color-surface-2); color: var(--color-text-muted); }
.tag--warning { background: var(--color-warning-bg); color: var(--color-warning); }
.tag--success { background: var(--color-success-bg); color: var(--color-success); }
.tag--info    { background: var(--color-info-bg);    color: var(--color-info); }
.tag--danger  { background: var(--color-error-bg);   color: var(--color-error); }

/* Estado vacío: una caja suave con borde discontinuo, no una frase perdida. */
.empty-state {
    color: var(--color-text-soft);
    font-size: .9rem;
    line-height: 1.5;
    padding: var(--space-md) var(--space-lg);
    margin: 0;
    text-align: center;
    background: var(--color-surface-2);
    border: 1px dashed var(--color-border-strong);
    border-radius: var(--radius-sm);
}
.empty-state a { font-weight: 600; }
.empty-state--sm { padding: var(--space-sm) var(--space-md); font-size: .85rem; }

/* Acciones secundarias (Cambiar, Quitar, Borrar…): botones pequeños con
   borde, para que se reconozcan como botones y no como texto suelto. */
.btn-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    min-height: 2.15rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    padding: .3rem .75rem;
    font: inherit;
    font-size: .8rem;
    font-weight: 600;
    color: var(--color-text-soft);
    cursor: pointer;
    text-decoration: none;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-link:hover { color: var(--color-text); background: var(--color-surface-2); border-color: var(--color-text-muted); text-decoration: none; }
.btn-link .icon { width: 1em; height: 1em; }
.btn-link--danger { color: var(--color-error); border-color: color-mix(in srgb, var(--color-error) 45%, transparent); }
.btn-link--danger:hover { color: var(--color-error); background: var(--color-error-bg); border-color: var(--color-error); }

/* Bloques desplegables: el resumen es una fila con chevron propio, en vez
   del triángulo del navegador, que cambia de aspecto en cada sistema. */
.details-summary {
    display: flex;
    align-items: center;
    gap: .6rem;
    cursor: pointer;
    font-weight: 600;
    font-size: .92rem;
    color: var(--color-text);
    padding: .6rem .85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-2);
    list-style: none;
    user-select: none;
    transition: background-color .15s ease, border-color .15s ease;
}
.details-summary::-webkit-details-marker { display: none; }
.details-summary::before {
    content: "";
    flex-shrink: 0;
    width: .5rem;
    height: .5rem;
    margin: 0 .15rem 0 .1rem;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: translateY(-2px) rotate(45deg);
    transition: transform .15s ease;
}
details[open] > .details-summary::before { transform: translateY(1px) rotate(-135deg); }
.details-summary:hover { border-color: var(--color-primary); }
details[open] > .details-summary { margin-bottom: var(--space-sm); }
.details-summary--sm { font-size: .85rem; font-weight: 500; padding: .5rem .75rem; }
.details-summary .icon { width: 1em; height: 1em; vertical-align: -.15em; }

/* Numerito del día en una rutina */
.day-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-primary-text);
    font-size: .8rem;
    font-weight: 700;
    margin-right: var(--space-xs);
}

/* Formularios en rejilla (objetivos, series, filtros) */
.target-form,
.set-form,
.filter-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    align-items: end;
    margin-top: var(--space-sm);
}
.target-form .field,
.set-form .field,
.filter-form .field { margin-bottom: 0; }

.target-form .field--wide,
.set-form .field--wide,
.filter-form .field--wide { grid-column: 1 / -1; }

.field--actions { grid-column: 1 / -1; display: flex; gap: var(--space-xs); }
.field--check { display: flex; align-items: center; min-height: 2.75rem; }

.set-form { border-top: 1px solid var(--color-border); padding-top: var(--space-md); }
.set-form [data-set-error] { grid-column: 1 / -1; }

/* Creación rápida de ejercicios, dentro del selector */
.quick-create { margin-top: var(--space-sm); }
.quick-create__form {
    padding: var(--space-md);
    background: var(--color-surface-2);
    border-radius: var(--radius-sm);
}
.quick-create__form [data-quick-error] { grid-column: 1 / -1; }

/* Tablas de datos (series, plan de dieta, revisión de la foto). */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: var(--space-sm) 0;
}

.sets-table,
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
    margin: var(--space-sm) 0;
}
.table-scroll > .data-table,
.table-scroll > .sets-table { margin: 0; }

/* En móvil la tabla de series se convierte en un bloque con scroll:
   preferible a que se salga de la pantalla o quede ilegible. */
.sets-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.sets-table th,
.sets-table td { white-space: nowrap; }
.sets-table--wrap th,
.sets-table--wrap td { white-space: normal; }
.sets-table--wrap { min-width: 100%; }

.sets-table th,
.data-table th {
    text-align: left;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-text-muted);
    font-weight: 700;
    padding: .4rem .5rem;
    border-bottom: 1px solid var(--color-border);
}
.sets-table td,
.data-table td {
    padding: .5rem .5rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
.sets-table tr:last-child td,
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tfoot td,
.data-table tfoot th {
    border-top: 2px solid var(--color-border);
    border-bottom: none;
    padding-top: .6rem;
    color: var(--color-text);
    text-transform: none;
    font-size: .9rem;
    letter-spacing: 0;
}
.sets-table__actions { text-align: right; width: 2.5rem; }
.sets-table .is-warmup { color: var(--color-text-muted); }
.is-num { text-align: right; }

/* Tabla editable: los campos ocupan la celda sin cromo alrededor. */
.data-table--editable input[type="text"],
.data-table--editable input[type="number"] {
    width: 100%;
    min-width: 4.5rem;
    font-size: .9rem;
    padding: .35rem .5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    background: var(--color-surface);
    color: var(--color-text);
}
.data-table--editable input[type="text"] { min-width: 10rem; }
.data-table--editable .is-num input { text-align: right; }
.data-table--editable input:focus { border-color: var(--color-primary); box-shadow: var(--focus-ring); outline: none; }
.data-table--editable input[type="checkbox"] { width: 1.15rem; height: 1.15rem; accent-color: var(--color-primary); }
.data-table--editable tr.is-excluded input:not([type="checkbox"]) { opacity: .45; text-decoration: line-through; }

/* "Última vez" */
.last-time {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: var(--color-surface-2);
    border-radius: var(--radius-sm);
    margin: var(--space-sm) 0;
    font-size: .82rem;
}
.last-time__label { font-weight: 600; color: var(--color-text-soft); }
.last-time__sets { display: flex; flex-wrap: wrap; gap: 4px; }

.pill {
    display: inline-block;
    padding: .15rem .55rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: .78rem;
    white-space: nowrap;
}
.pill small { color: var(--color-text-muted); }

/* Gráficas */
.chart-wrap {
    position: relative;
    width: 100%;
    height: 280px;
    margin: var(--space-sm) 0;
}
.chart-wrap--small { height: 240px; max-width: 26rem; margin-inline: auto; }

/* Paginación */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}
.pagination__info { font-size: .82rem; color: var(--color-text-muted); }

/* Radios apilados y metadatos */
.radio-group--stacked { grid-template-columns: 1fr; }
.radio-card__meta {
    display: block;
    font-size: .78rem;
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ---------------------------------------------------------------------
   11. Componentes del módulo de nutrición
   --------------------------------------------------------------------- */

/* Navegación por días */
.day-nav {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}
.day-nav__form { display: flex; gap: var(--space-xs); flex: 1; }
.day-nav__form input {
    flex: 1;
    min-width: 0;
    font-size: 16px;
    padding: .4rem .6rem;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
}
.day-nav__label { margin-bottom: var(--space-md); }

/* Barras de progreso de macros */
.bars { display: grid; gap: var(--space-sm); }

.bar-row__head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-xs);
    font-size: .85rem;
}
.bar-row__label { font-weight: 600; color: var(--color-text-soft); }
.bar-row__value { color: var(--color-text-muted); }
.bar-row__value strong { color: var(--color-text); font-size: .95rem; }
.bar-row__left { font-size: .75rem; color: var(--color-text-muted); }

.bar {
    height: .55rem;
    background: var(--color-track);
    border-radius: 999px;
    overflow: hidden;
    margin: 4px 0 2px;
}
.bar__fill {
    display: block;
    height: 100%;
    border-radius: 999px;
    transition: width .4s cubic-bezier(.2, .7, .2, 1);
}
.bar--kcal    { background: var(--color-primary); }
.bar--protein { background: var(--color-protein); }
.bar--carbs   { background: var(--color-carbs); }
.bar--fat     { background: var(--color-fat); }
/* Rayado diagonal cuando se pasa del objetivo. */
.bar__fill--over {
    background-image: repeating-linear-gradient(
        45deg,
        rgba(255, 255, 255, .35) 0 6px,
        transparent 6px 12px
    );
}

.text-over  { color: var(--color-warning); font-weight: 600; }
.text-under { color: var(--color-success); font-weight: 600; }

/* Ajuste rápido de cantidad */
.qty-form { display: flex; align-items: center; gap: 4px; }
.qty-form input {
    width: 5.5rem;
    padding: .35rem .5rem;
    font-size: .85rem;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    min-height: 2.15rem;
}

/* Atajos con forma de píldora */
.chip-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-xs); }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: .4rem .75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: 999px;
    font: inherit;
    font-size: .8rem;
    color: var(--color-text);
    cursor: pointer;
    transition: border-color .15s ease, background-color .15s ease;
}
.chip:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.chip small { color: var(--color-text-muted); }

/* Resultados del buscador de alimentos */
.food-search__results {
    margin: var(--space-xs) 0 var(--space-sm);
    max-height: 22rem;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
}
.food-search__results:empty { display: none; }
.food-search__results > p { padding: var(--space-sm); margin: 0; }

.food-results { list-style: none; margin: 0; padding: 0; }

.food-result {
    display: flex;
    flex-direction: column;
    gap: 2px;
    width: 100%;
    padding: .6rem .8rem;
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    font: inherit;
    color: var(--color-text);
    cursor: pointer;
}
.food-result:hover,
.food-result:focus-visible { background: var(--color-primary-light); }
.food-results li:last-child .food-result { border-bottom: none; }

.food-result__name { font-size: .9rem; font-weight: 500; }
.food-result__macros { font-size: .78rem; color: var(--color-text-muted); }

/* Zona para hacer o soltar la foto de una comida */
.dropzone {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 13rem;
    padding: var(--space-lg);
    border: 2px dashed var(--color-border-strong);
    border-radius: var(--radius);
    background: var(--color-surface-2);
    cursor: pointer;
    text-align: center;
    transition: border-color .15s ease, background-color .15s ease;
    overflow: hidden;
}
.dropzone:hover,
.dropzone.is-dragover { border-color: var(--color-primary); background: var(--color-primary-light); }
.dropzone.has-photo { padding: 0; border-style: solid; background: #000; }
.dropzone.is-loading { opacity: .6; }
.dropzone:has(input:focus-visible) { outline: 3px solid var(--color-primary); outline-offset: 2px; }

/* El input real queda encima de todo pero invisible: sigue siendo
   accesible con teclado y, en móvil, abre la cámara directamente. */
.dropzone__input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}
.dropzone__preview {
    display: block;
    max-height: 22rem;
    width: 100%;
    object-fit: contain;
}
.dropzone__idle {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .35rem;
    color: var(--color-text-soft);
}
.dropzone__icon {
    display: inline-flex;
    width: 3.5rem;
    height: 3.5rem;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: var(--shadow);
    margin-bottom: .35rem;
}
.dropzone__icon .icon { width: 1.75rem; height: 1.75rem; vertical-align: 0; }
.dropzone__title { font-weight: 700; color: var(--color-text); font-size: 1.05rem; }
.dropzone__hint { font-size: .8rem; color: var(--color-text-muted); }
.dropzone__change {
    position: absolute;
    bottom: var(--space-sm);
    right: var(--space-sm);
    padding: .35rem .75rem;
    background: rgba(0, 0, 0, .6);
    color: #fff;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
    z-index: 1;
}
.photo-form.is-busy .dropzone { pointer-events: none; opacity: .7; }

.analysis-notes {
    margin: 0 0 var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface-2);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: .9rem;
    color: var(--color-text-soft);
}

.tips { margin: 0; padding-left: 1.2rem; font-size: .9rem; color: var(--color-text-soft); }
.tips li { margin-bottom: .35rem; }
.tips li:last-child { margin-bottom: 0; }

.quick-entry .target-form { padding: var(--space-md); background: var(--color-surface-2); border-radius: var(--radius-sm); }

/* ---------------------------------------------------------------------
   12. Componentes del agente de IA
   --------------------------------------------------------------------- */

/* Aviso sanitario */
.disclaimer {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-warning-bg);
    border-left: 3px solid var(--color-warning);
    border-radius: var(--radius-sm);
    font-size: .82rem;
    line-height: 1.45;
    color: var(--color-warning);
    margin-bottom: var(--space-lg);
}
.disclaimer strong { display: block; margin-bottom: 2px; }

/* Contador de peticiones restantes */
.quota {
    font-size: .78rem;
    color: var(--color-text-muted);
    margin: 0 0 var(--space-sm);
}
.quota__note { display: block; font-size: .72rem; opacity: .85; }

/* Hilo de conversación */
.chat {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-height: 32rem;
    overflow-y: auto;
    padding: var(--space-xs) 0 var(--space-md);
}

.chat__empty { color: var(--color-text-muted); font-size: .88rem; }
.chat__empty ul { margin: var(--space-xs) 0 0; padding-left: 1.1rem; }
.chat__empty li { margin-bottom: 2px; }

.chat__msg {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-width: 92%;
}
.chat__msg--user { align-self: flex-end; align-items: flex-end; }
.chat__msg--assistant { align-self: flex-start; }

.chat__author {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-text-muted);
    font-weight: 600;
}

.chat__body {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    background: var(--color-surface-2);
    font-size: .9rem;
    line-height: 1.5;
    white-space: normal;
    overflow-wrap: anywhere;
}
.chat__msg--assistant .chat__body { border-bottom-left-radius: var(--radius-xs); }
.chat__msg--user .chat__body {
    background: var(--color-primary);
    color: var(--color-primary-text);
    border-bottom-right-radius: var(--radius-xs);
}
.chat__msg--pending .chat__body { opacity: .6; font-style: italic; }

.chat__body--standalone {
    background: var(--color-surface-2);
    max-width: 100%;
}

.chat-form { border-top: 1px solid var(--color-border); padding-top: var(--space-md); }
.chat-form textarea { resize: vertical; }

/* Ingredientes de una comida del plan */
.ingredient-list {
    list-style: none;
    margin: var(--space-xs) 0 0;
    padding: 0;
    font-size: .8rem;
    color: var(--color-text-soft);
}
.ingredient-list li { padding: 1px 0; }
.ingredient-list .list__meta { display: inline; }

/* ---------------------------------------------------------------------
   13. Dashboard
   --------------------------------------------------------------------- */

.dash-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-xs);
}
.dash-head .page-title { margin-bottom: 0; }

.dash-date {
    margin-top: 2px;
    margin-bottom: var(--space-md);
    text-transform: capitalize;
}

.streak {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: .3rem .75rem;
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 600;
    white-space: nowrap;
}

.dash-suggestion { margin: 0 0 var(--space-sm); font-size: 1.05rem; }
.dash-suggestion .list__meta { display: block; }

/* Accesos rápidos del inicio: rejilla de botones con icono. */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}
.quick-action {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-weight: 600;
    font-size: .9rem;
    box-shadow: var(--shadow);
    transition: border-color .15s ease, transform .08s ease, background-color .15s ease;
}
.quick-action:hover { text-decoration: none; border-color: var(--color-primary); }
.quick-action:active { transform: translateY(1px); }
.quick-action__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-xs);
    background: var(--color-primary-light);
    color: var(--color-primary);
    flex-shrink: 0;
}
.quick-action__icon .icon { width: 1.25rem; height: 1.25rem; vertical-align: 0; }
.quick-action--primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-text); }
.quick-action--primary .quick-action__icon { background: rgba(255, 255, 255, .2); color: inherit; }
.quick-action--primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }

/* ---------------------------------------------------------------------
   14. Tablet y escritorio
   --------------------------------------------------------------------- */
@media (min-width: 640px) {
    .field-row { grid-template-columns: 1fr 1fr; }
    .field-row--4 { grid-template-columns: repeat(4, 1fr); }
    .stats { grid-template-columns: repeat(4, 1fr); }
    .grid--cards { grid-template-columns: repeat(2, 1fr); }
    .radio-group { grid-template-columns: repeat(3, 1fr); }
    .radio-group--stacked { grid-template-columns: 1fr 1fr; }
    .auth-card__links { flex-direction: row; justify-content: space-between; }
    .quick-actions { grid-template-columns: repeat(3, 1fr); }
    .topbar__logout-label { display: inline; }

    .target-form { grid-template-columns: repeat(4, 1fr); }
    .set-form    { grid-template-columns: repeat(4, 1fr) auto; align-items: end; }
    .set-form .field--actions { grid-column: auto; }
    .filter-form { grid-template-columns: 2fr 1fr auto; }
    .filter-form .field--actions { grid-column: auto; }
    .quick-create__form { grid-template-columns: 2fr 1fr 1fr auto; }
    .quick-create__form .field--actions { grid-column: auto; }
}

@media (min-width: 768px) {
    /* Con sitio de sobra, la tabla vuelve a comportarse como tabla normal. */
    .sets-table { display: table; overflow-x: visible; }
    .sets-table th,
    .sets-table td { white-space: normal; }
}

@media (min-width: 900px) {
    body { padding-bottom: 0; }

    .container { padding: var(--space-lg); }
    .footer__inner { padding: var(--space-lg); }
    .page-title { font-size: 1.9rem; }
    .quick-actions { grid-template-columns: repeat(5, 1fr); }

    /* En escritorio la navegación pasa a ser una barra horizontal superior. */
    .mainnav {
        position: static;
        justify-content: flex-start;
        gap: var(--space-xs);
        border-top: none;
        border-bottom: 1px solid var(--color-border);
        padding: 0 var(--space-lg);
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
        background: var(--color-surface);
    }
    .mainnav__link {
        flex: 0 0 auto;
        flex-direction: row;
        gap: .45rem;
        min-height: 3rem;
        padding: 0 var(--space-md);
        font-size: .9rem;
        border-radius: 0;
        border-bottom: 2px solid transparent;
    }
    .mainnav__link.is-active { border-bottom-color: var(--color-primary); }
    .mainnav__link.is-active .mainnav__icon { background: transparent; }
    .mainnav__icon { width: auto; height: auto; font-size: 1.1rem; }
    .mainnav__icon .icon { width: 1.15rem; height: 1.15rem; }
}

/* ---------------------------------------------------------------------
   15. Preferencias del usuario e impresión
   --------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
        scroll-behavior: auto !important;
    }
}

/* Impresión: pensada sobre todo para llevarse el plan de dieta
   o una rutina al gimnasio en papel. */
@media print {
    .topbar,
    .mainnav,
    .footer,
    .btn,
    .btn-link,
    .actions-row,
    .quick-actions,
    .chat-form,
    .set-form,
    .target-form,
    .filter-form,
    .qty-form,
    .day-nav,
    .skip-link,
    .alert { display: none !important; }

    body {
        background: #fff;
        padding: 0;
        font-size: 11pt;
        color: #000;
    }

    .container { max-width: none; padding: 0; }

    .card {
        border: 1px solid #ccc;
        box-shadow: none;
        break-inside: avoid;
        page-break-inside: avoid;
        margin-bottom: 10pt;
        padding: 8pt;
    }

    .card__title { font-size: 12pt; }

    /* En papel el aviso sanitario debe seguir leyéndose. */
    .disclaimer {
        border: 1px solid #999;
        background: none;
        color: #000;
        font-size: 9pt;
    }

    .sets-table { display: table; width: 100%; font-size: 10pt; }
    .sets-table th, .sets-table td { border-bottom: 1px solid #ddd; }

    a { text-decoration: none; color: #000; }

    /* Cada día del plan o de la rutina, en su propia página si hace falta. */
    section[id^="dia-"] { break-inside: avoid; page-break-inside: avoid; }
}
