/**
 * OS TigerLab — Cookie Banner & Preferences Modal
 * Compliance: GDPR + Ley 25.326 (Argentina) + LGPD (Brasil)
 *
 * Estructura:
 *  .ostl-cookie-banner    → barra fija inferior, primera visita.
 *  .ostl-cookie-modal     → modal de configuración granular.
 *  .ostl-cookie-button    → botón flotante reabrir prefs (opcional).
 *
 * Tokens reusados: --color-bg-elevated, --color-text-primary, --color-accent,
 *                  --shadow-3, --radius-md, --sp-*, --d-*, --z-*.
 *
 * Patrón de muestra:
 *  - Banner aparece si NO existe localStorage('ostl_consent').
 *  - Click "Aceptar todas" / "Solo necesarias" / "Configurar" persiste.
 *  - Re-apertura desde botón con [data-ostl-cookie-open].
 *  - Respeta prefers-reduced-motion.
 */

/* ============================================================ */
/* BANNER — barra inferior compacta (menos intrusiva que card)   */
/* ============================================================ */
.ostl-cookie-banner {
    position: fixed;
    inset-inline: 0;
    bottom: 0;
    z-index: var(--z-modal, 1000);
    max-width: none;
    margin-inline: 0;
    padding: var(--sp-3, 12px) var(--sp-4, 16px);
    padding-bottom: max(var(--sp-3, 12px), var(--safe-bottom, env(safe-area-inset-bottom, 0px)));
    background: color-mix(in srgb, var(--color-bg-elevated, #1E1E1E) 92%, transparent);
    color: var(--color-text-primary, #F5F5F5);
    border-top: 1px solid var(--color-border-default, #2A2A2A);
    border-radius: 0;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.18);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transform: translateY(105%);
    opacity: 0;
    transition:
        transform var(--d-base, 240ms) var(--ease-out-expo, cubic-bezier(0.16, 1, 0.3, 1)),
        opacity var(--d-fast, 160ms) ease-out;
    will-change: transform, opacity;
}

.ostl-cookie-banner[data-visible="true"] {
    transform: translateY(0);
    opacity: 1;
    border-top-color: color-mix(in oklab, var(--color-accent-2) 28%, var(--color-border-default));
    box-shadow:
        0 -8px 36px rgba(0, 0, 0, 0.24),
        0 -1px 0 color-mix(in oklab, var(--color-accent-2) 14%, transparent);
}

.ostl-cookie-banner__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4, 16px);
    flex-wrap: wrap;
    max-width: 1120px;
    margin-inline: auto;
}

.ostl-cookie-banner__body {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: var(--fs-sm, 0.8125rem);
    line-height: 1.45;
    color: var(--color-text-secondary, #B3B3B3);
    margin: 0;
    flex: 1 1 220px;
    display: flex;
    align-items: flex-start;
    gap: var(--sp-2, 8px);
    min-width: 0;
}

.ostl-cookie-banner__inline-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 0.1em;
    color: var(--color-accent, #00FF9C);
    opacity: 0.85;
}

.ostl-cookie-banner__text strong {
    color: var(--color-text-primary, #F5F5F5);
    font-weight: 600;
}

.ostl-cookie-banner__body a {
    color: var(--color-accent, #00FF9C);
    text-decoration: underline;
    text-underline-offset: 2px;
    white-space: nowrap;
}

.ostl-cookie-banner__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-2, 8px);
    flex-shrink: 0;
}

.ostl-cookie-banner__actions button {
    flex: 0 1 auto;
    min-width: 0;
}

@media (max-width: 640px) {
    .ostl-cookie-banner {
        padding: var(--sp-3, 12px);
        padding-bottom: max(var(--sp-3, 12px), var(--safe-bottom, env(safe-area-inset-bottom, 0px)));
    }

    .ostl-cookie-banner__inner {
        flex-direction: column;
        align-items: stretch;
        gap: var(--sp-3, 12px);
    }

    .ostl-cookie-banner__body {
        flex: none;
    }

    .ostl-cookie-banner__actions {
        justify-content: stretch;
    }

    .ostl-cookie-banner__actions button {
        flex: 1 1 calc(33.333% - var(--sp-2));
        min-width: 88px;
    }
}

@media (max-width: 400px) {
    .ostl-cookie-banner__actions button[data-ostl-cookie-action='configure'] {
        flex: 1 1 100%;
        order: 3;
    }

    .ostl-cookie-banner__actions button[data-ostl-cookie-action='necessary'],
    .ostl-cookie-banner__actions button[data-ostl-cookie-action='accept'] {
        flex: 1 1 calc(50% - var(--sp-2));
    }
}

/* ============================================================ */
/* MODAL DE PREFERENCIAS (configuración granular)               */
/* ============================================================ */
.ostl-cookie-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal-stack, 1001);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--sp-3);
    overflow-y: auto;
}

.ostl-cookie-modal[data-open="true"] {
    display: flex;
}

.ostl-cookie-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    animation: ostl-cookie-fade-in var(--d-base, 240ms) ease-out forwards;
}

.ostl-cookie-modal__panel {
    position: relative;
    width: 100%;
    max-width: 560px;
    background: var(--color-bg-elevated, #1E1E1E);
    color: var(--color-text-primary, #F5F5F5);
    border: 1px solid var(--color-border-default, #2A2A2A);
    border-radius: var(--radius-lg, 16px);
    padding: var(--sp-5, 20px);
    box-shadow: var(--shadow-4, 0 24px 64px rgba(0,0,0,0.6));
    margin-block: var(--sp-3);
    animation: ostl-cookie-scale-in var(--d-base, 240ms) var(--ease-out-cubic, cubic-bezier(0.33, 1, 0.68, 1)) forwards;
}

.ostl-cookie-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-4);
}

.ostl-cookie-modal__title {
    font-family: var(--font-display, 'Poppins', sans-serif);
    font-weight: 700;
    font-size: var(--fs-xl, 1.25rem);
    margin: 0;
}

.ostl-cookie-modal__close {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border: 1px solid var(--color-border-default);
    background: transparent;
    color: var(--color-text-primary);
    border-radius: var(--radius-md, 12px);
    cursor: pointer;
    transition: background var(--d-fast, 160ms);
}
.ostl-cookie-modal__close:hover {
    background: var(--color-bg-secondary, #161616);
}
.ostl-cookie-modal__close:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.ostl-cookie-modal__body {
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: 1.55;
}

.ostl-cookie-cat {
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md, 12px);
    padding: var(--sp-4);
    margin-bottom: var(--sp-3);
    transition: border-color var(--d-fast);
}

.ostl-cookie-cat:hover {
    border-color: color-mix(in oklab, var(--color-accent) 30%, var(--color-border-default));
}

.ostl-cookie-cat__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    margin-bottom: var(--sp-2);
}

.ostl-cookie-cat__title {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--fs-base, 1rem);
    margin: 0;
}

.ostl-cookie-cat__desc {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.ostl-cookie-cat[data-required="true"] .ostl-cookie-toggle {
    opacity: 0.5;
    pointer-events: none;
}

/* Toggle switch */
.ostl-cookie-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.ostl-cookie-toggle input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}
.ostl-cookie-toggle__slider {
    position: absolute;
    inset: 0;
    background: var(--color-bg-secondary, #2A2A2A);
    border: 1px solid var(--color-border-default);
    border-radius: 999px;
    transition: background-color var(--d-fast, 160ms);
}
.ostl-cookie-toggle__slider::before {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--color-text-primary, #F5F5F5);
    border-radius: 50%;
    top: 50%;
    left: 4px;
    transform: translateY(-50%);
    transition: transform var(--d-fast, 160ms) var(--ease-out-cubic, ease-out);
}
.ostl-cookie-toggle input:checked + .ostl-cookie-toggle__slider {
    background: var(--color-accent, #00FF9C);
}
.ostl-cookie-toggle input:checked + .ostl-cookie-toggle__slider::before {
    transform: translate(20px, -50%);
    background: #0A0A0A;
}
.ostl-cookie-toggle input:focus-visible + .ostl-cookie-toggle__slider {
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-accent) 35%, transparent);
}

.ostl-cookie-modal__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-top: var(--sp-4);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--color-border-default);
}
.ostl-cookie-modal__actions button {
    flex: 1 1 auto;
    min-width: 120px;
}

/* ============================================================ */
/* BOTÓN FLOTANTE (re-abrir preferencias)                       */
/* ============================================================ */
.ostl-cookie-fab {
    position: fixed;
    bottom: var(--sp-4);
    left: var(--sp-4);
    z-index: var(--z-fab, 999);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--color-border-default);
    background: var(--color-bg-elevated);
    color: var(--color-text-secondary);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-2, 0 4px 12px rgba(0,0,0,0.3));
    transition: transform var(--d-fast), color var(--d-fast);
}
.ostl-cookie-fab[data-visible="true"] {
    display: inline-flex;
}
.ostl-cookie-fab:hover {
    color: var(--color-accent);
    transform: scale(1.05);
}
.ostl-cookie-fab:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* ============================================================ */
/* ANIMACIONES                                                   */
/* ============================================================ */
@keyframes ostl-cookie-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes ostl-cookie-scale-in {
    from { opacity: 0; transform: scale(0.96) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .ostl-cookie-banner,
    .ostl-cookie-modal__backdrop,
    .ostl-cookie-modal__panel {
        transition-duration: 1ms !important;
        animation-duration: 1ms !important;
    }

    .ostl-cookie-fab:hover {
        transform: none;
    }
}

/* Light mode overrides */
[data-theme='light'] .ostl-cookie-banner {
    background: color-mix(in srgb, #ffffff 94%, transparent);
    border-top-color: var(--color-border-default, #e5e5e5);
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
}

[data-theme='light'] .ostl-cookie-modal__panel {
    background: #ffffff;
    color: #0a0a0a;
}

[data-theme='light'] .ostl-cookie-toggle__slider {
    background: #E5E5E5;
}
[data-theme='light'] .ostl-cookie-toggle input:checked + .ostl-cookie-toggle__slider::before {
    background: #FFFFFF;
}