/* ===========================
   PWA BOTTOM SHEET & FAB
   =========================== */

/* FAB Menu Button (Only for Mobile) */
.pwa-menu-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--accent-contrast);
    border: none;
    font-size: 28px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px var(--focus);
    cursor: pointer;
    z-index: 8000;
    transition: transform 0.2s, background-color 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.pwa-menu-fab:active {
    transform: scale(0.92);
}

.pwa-menu-fab span {
    margin-top: -8px;
    /* Ajuste óptico del símbolo v-vdots */
}

/* Background Overlay */
.pwa-sheet-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    z-index: 10000;
}

.pwa-sheet-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* Bottom Sheet Panel */
.pwa-sheet-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -4px 30px var(--shadow);
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 10001;
    padding: 0 24px 24px;
    max-height: 85vh;
    overflow-y: auto;
    border-top: 1px solid var(--border);
}

.pwa-sheet-panel.open {
    transform: translateY(0);
}

/* Header & Handle */
.pwa-sheet-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 16px;
}

.pwa-sheet-drag-handle {
    width: 48px;
    height: 5px;
    border-radius: 3px;
    background-color: rgba(255, 255, 255, 0.25);
    margin-bottom: 16px;
}

.pwa-sheet-title {
    margin: 0;
    font-size: 1.25rem;
    color: var(--accent);
    font-family: var(--font-heading, 'Montserrat', sans-serif);
    font-weight: 800;
}

.pwa-sheet-close {
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 32px;
    line-height: 1;
    padding: 12px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.pwa-sheet-close:active {
    opacity: 1;
}

/* Body & Buttons */
.pwa-sheet-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pwa-sheet-btn {
    width: 100%;
    text-align: left;
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    font-family: 'Open Sans', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

.pwa-sheet-btn:active {
    background-color: var(--accent);
    color: var(--accent-contrast);
    border-color: var(--accent);
}

.pwa-sheet-btn:focus-visible {
    outline: 2px solid #ff8c00;
    outline-offset: 2px;
}

/* Install Button */
#pwa-btn-install {
    background-color: #ff8c00;
    color: #000;
    text-align: center;
    font-weight: 800;
    border: none;
    margin-top: 10px;
}

#pwa-btn-install:active {
    background-color: #e67e00;
}

/* iOS Help */
.pwa-sheet-ios-help {
    padding: 16px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    color: #ddd;
    font-size: 1rem;
    line-height: 1.5;
    text-align: center;
    margin-top: 10px;
    border: 1px dashed rgba(255, 140, 0, 0.4);
}

/* Desktop: Ocultar menú bottom sheet y su FAB */
@media (min-width: 768px) {

    .pwa-menu-fab,
    .pwa-sheet-overlay,
    .pwa-sheet-panel {
        display: none !important;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    .pwa-sheet-panel,
    .pwa-sheet-overlay,
    .pwa-menu-fab {
        transition: none !important;
    }
}