/* ==========================================================================
   STIVO PWA — iOS / Safe Area support
   Compatible con iPhone con Dynamic Island (iPhone 14 Pro en adelante,
   incluyendo iPhone 17 Pro) y con el home indicator en todos los modelos.
   ========================================================================== */

/* Variables de safe area (fallback 0 si el device no las soporta) */
:root {
    --safe-area-inset-top: env(safe-area-inset-top, 0px);
    --safe-area-inset-right: env(safe-area-inset-right, 0px);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-inset-left: env(safe-area-inset-left, 0px);
}

/* Evitar rebotes de overscroll en iOS cuando está instalada como PWA */
html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

/* ==========================================================================
   Botones y elementos con position:fixed respecto al viewport.
   position:fixed NO respeta el padding del body, así que cada elemento
   fijo debe calcular su propio offset a partir de env(safe-area-inset-*).
   Esto aplica TANTO en Safari como en PWA instalada (standalone).
   ========================================================================== */
.menu-toggle,
.dark-mode-toggle,
[data-pwa-fixed-top-left],
[data-pwa-fixed-top-right] {
    top: calc(var(--safe-area-inset-top) + 0.5rem) !important;
}

.menu-toggle,
[data-pwa-fixed-top-left] {
    left: calc(var(--safe-area-inset-left) + 0.5rem) !important;
}

.dark-mode-toggle,
[data-pwa-fixed-top-right] {
    right: calc(var(--safe-area-inset-right) + 0.5rem) !important;
}

/* Sidebar: respeta la Dynamic Island y el home indicator siempre */
.sidebar {
    padding-top: var(--safe-area-inset-top);
    padding-bottom: var(--safe-area-inset-bottom);
    padding-left: var(--safe-area-inset-left);
}

/* El botón de cerrar sidebar dentro del panel debe respetar el notch */
.sidebar .sidebar-close {
    top: calc(var(--safe-area-inset-top) + 0.75rem);
    right: calc(var(--safe-area-inset-right) + 0.75rem);
}

/* Elementos fijos abajo (barras de navegación, banners...) */
.bottom-nav,
.mobile-bottom-bar,
[data-pwa-fixed-bottom] {
    padding-bottom: calc(var(--safe-area-inset-bottom) + 0.5rem);
}

/* Ajustes exclusivos cuando la PWA está instalada (standalone).
   En este modo NO existen las barras del navegador, así que el contenido
   del body empieza en el borde físico del dispositivo y puede quedar tapado
   por la Dynamic Island / notch. Por eso aplicamos padding al body.
   Los elementos con position:fixed NO se ven afectados por este padding
   (siguen posicionándose respecto al viewport) y ya tienen su propio
   cálculo de safe-area más arriba. */
@media (display-mode: standalone) {
    html,
    body {
        min-height: 100vh;
        min-height: 100svh;
        overflow-x: hidden;
    }

    body {
        padding-top: var(--safe-area-inset-top);
        padding-bottom: var(--safe-area-inset-bottom);
        padding-left: var(--safe-area-inset-left);
        padding-right: var(--safe-area-inset-right);
        box-sizing: border-box;
    }

    /* Modales a pantalla completa: su contenido interno debe quedar dentro del safe area */
    .modal,
    .alert-modal-overlay,
    .confirm-overlay {
        padding-top: var(--safe-area-inset-top);
        padding-bottom: var(--safe-area-inset-bottom);
        padding-left: var(--safe-area-inset-left);
        padding-right: var(--safe-area-inset-right);
    }
}

/* iOS hace zoom automático si el input tiene font-size < 16px. Forzamos 16px
   en móviles para evitar el zoom indeseado al enfocar campos. */
@media (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="number"],
    input[type="password"],
    input[type="search"],
    input[type="url"],
    input[type="date"],
    input[type="datetime-local"],
    input[type="month"],
    input[type="week"],
    input[type="time"],
    textarea,
    select {
        font-size: 16px !important;
    }
}

/* Desactiva la selección accidental de texto cuando se hace long-press en
   iconos / botones, pero mantiene la selección en campos y contenido. */
button,
.btn,
[role="button"],
.sidebar-link,
.stats-tab,
.nav-item {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

input,
textarea,
[contenteditable="true"],
p, h1, h2, h3, h4, h5, h6, span, td, th {
    -webkit-user-select: auto;
    user-select: auto;
}

/* Soporte dynamic viewport units en iOS 15.4+ (para pantallas como
   iPhone 17 Pro con dimensiones cambiantes por la home bar) */
.pwa-full-height {
    min-height: 100vh;
    min-height: 100dvh;
}

/* ==========================================================================
   Banner de actualización disponible
   ========================================================================== */
.pwa-update-banner {
    position: fixed;
    bottom: calc(var(--safe-area-inset-bottom) + 16px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 100000;
    background: #1f2937;
    color: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    padding: 10px 14px;
    max-width: calc(100vw - 32px);
    animation: pwaSlideUp 0.3s ease;
}

.pwa-update-banner .pwa-update-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
}

.pwa-update-banner svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.pwa-update-btn {
    background: #3b82f6;
    color: #fff;
    border: none;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.pwa-update-btn:hover {
    background: #2563eb;
}

.pwa-close-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.75);
    padding: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pwa-close-btn:hover {
    color: #fff;
}

/* ==========================================================================
   Indicador de estado de conexión
   ========================================================================== */
.pwa-connection-status {
    position: fixed;
    top: calc(var(--safe-area-inset-top) + 12px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 100001;
    background: #1f2937;
    color: #fff;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    animation: pwaSlideDown 0.3s ease;
}

.pwa-connection-status.success {
    background: #065f46;
}

.pwa-connection-status.warning {
    background: #92400e;
}

.pwa-connection-status.fade-out {
    animation: pwaFadeOut 0.3s ease forwards;
}

.pwa-connection-status svg {
    width: 14px;
    height: 14px;
}

/* Indicador global offline opcional (cuando body tiene .offline) */
body.offline::before {
    content: "Modo offline";
    position: fixed;
    top: calc(var(--safe-area-inset-top) + 8px);
    right: 12px;
    z-index: 99999;
    background: #f59e0b;
    color: #111;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    pointer-events: none;
    opacity: 0.9;
}

/* ==========================================================================
   Prompt de instalación para iOS
   (iOS Safari no dispara beforeinstallprompt, hay que guiar manualmente)
   ========================================================================== */
.pwa-ios-install-banner {
    position: fixed;
    bottom: calc(var(--safe-area-inset-bottom) + 16px);
    left: 12px;
    right: 12px;
    z-index: 100000;
    background: #fff;
    color: #111827;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.18);
    padding: 14px 16px;
    animation: pwaSlideUp 0.35s ease;
    max-width: 520px;
    margin: 0 auto;
    border: 1px solid #e5e7eb;
}

html.dark-mode .pwa-ios-install-banner {
    background: #1f2937;
    color: #f3f4f6;
    border-color: #374151;
}

.pwa-ios-install-banner .ios-install-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.pwa-ios-install-banner .ios-install-logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}

.pwa-ios-install-banner .ios-install-title {
    font-weight: 700;
    font-size: 0.92rem;
    flex: 1;
}

.pwa-ios-install-banner .ios-install-close {
    background: transparent;
    border: none;
    padding: 4px;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pwa-ios-install-banner .ios-install-steps {
    font-size: 0.82rem;
    line-height: 1.45;
    color: #4b5563;
    margin: 0;
}

html.dark-mode .pwa-ios-install-banner .ios-install-steps {
    color: #d1d5db;
}

.pwa-ios-install-banner .ios-share-icon {
    display: inline-flex;
    width: 16px;
    height: 16px;
    vertical-align: -3px;
    margin: 0 2px;
}

/* ==========================================================================
   Animaciones
   ========================================================================== */
@keyframes pwaSlideUp {
    from {
        opacity: 0;
        transform: translate(-50%, 20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@keyframes pwaSlideDown {
    from {
        opacity: 0;
        transform: translate(-50%, -20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@keyframes pwaFadeOut {
    to {
        opacity: 0;
        transform: translate(-50%, -10px);
    }
}

/* Versión sin transform para el banner de iOS (que está a ancho completo) */
.pwa-ios-install-banner {
    animation-name: pwaFloatUp;
}

@keyframes pwaFloatUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}