/* ============================================================================
   COMPOSER.CSS - Unified Composer Drawer Styles
   ============================================================================
   A persistent drawer component for composing/editing posts in Dwell.
   Three states: closed, compact, expanded.

   Structure:
   1. Drawer Container & States
   2. Backdrop Overlay
   3. Handle / Header Bar
   4. Kind Selector
   5. Content Area
   6. Kind-Specific Fields
   7. Footer / Action Bar
   8. Responsive
   ============================================================================ */

/* ============================================================================
   1. DRAWER CONTAINER & STATES
   ============================================================================
   The drawer slides up from the bottom of the viewport.
   - closed:   fully off-screen (translateY(100%))
   - compact:  ~200px visible above bottom nav
   - expanded: full viewport height
   ============================================================================ */

.composer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    /* Full viewport height so expanded fills the screen */
    height: 100vh;
    height: 100dvh;
    /* Prevent double-tap zoom on mobile */
    touch-action: manipulation;

    /* Glass card background matching Synthesis design system */
    background: rgba(13, 5, 20, 0.92);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    backdrop-filter: blur(40px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 1.25rem 1.25rem 0 0;

    /* Smooth transitions between states (~300ms) */
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.3s;

    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5),
                inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* --- Closed: fully hidden below viewport --- */
.composer-closed {
    transform: translateY(100%);
    visibility: hidden;
    z-index: 250;
}

/* --- Compact: ~200px visible above bottom nav --- */
.composer-compact {
    /* Show top 200px; rest is below viewport */
    transform: translateY(calc(100% - 200px));
    visibility: visible;
    /* Above bottom nav (z-index 200) but below lightbox (1000) */
    z-index: 250;
}

/* --- Expanded: full viewport --- */
.composer-expanded {
    transform: translateY(0);
    visibility: visible;
    /* Above everything except system overlays */
    z-index: 1100;
}

/* ============================================================================
   2. BACKDROP OVERLAY
   ============================================================================ */

.composer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1099;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
    pointer-events: none;
}

.composer-backdrop.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* ============================================================================
   3. HANDLE / HEADER BAR
   ============================================================================ */

.composer-handle {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Drag indicator pill */
.composer-handle::before {
    content: '';
    position: absolute;
    top: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.25);
}

.composer-handle-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.composer-handle-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.composer-handle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.2s ease;
}

.composer-handle-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

/* ============================================================================
   4. KIND SELECTOR
   ============================================================================ */

.composer-kind-bar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.composer-kind-label {
    font-family: 'Outfit', sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.composer-kind-select {
    flex: 1;
    max-width: 220px;
    padding: 0.5rem 0.875rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0.625rem;
    color: white;
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' 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 0.75rem center;
    padding-right: 2rem;
}

.composer-kind-select:focus {
    outline: none;
    border-color: #FF6B35;
    background: rgba(255, 255, 255, 0.1);
}

.composer-kind-select option {
    background: #1a0f2a;
    color: white;
}

/* ============================================================================
   5. CONTENT AREA
   ============================================================================ */

.composer-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 1rem 1.25rem;
    gap: 1rem;
    /* Smooth scrolling */
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.composer-body::-webkit-scrollbar {
    width: 6px;
}

.composer-body::-webkit-scrollbar-track {
    background: transparent;
}

.composer-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

/* Title field (articles, reviews, recipes) */
.composer-title {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    color: white;
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    transition: border-color 0.2s;
}

.composer-title::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.composer-title:focus {
    outline: none;
    border-color: #FF6B35;
}

/* Main content textarea */
.composer-content {
    width: 100%;
    min-height: 120px;
    flex: 1;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    color: rgba(255, 255, 255, 0.92);
    font-family: 'Exo 2', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    resize: vertical;
    transition: border-color 0.2s;
}

.composer-content::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.composer-content:focus {
    outline: none;
    border-color: #FF6B35;
}

/* ============================================================================
   6. KIND-SPECIFIC FIELDS
   ============================================================================ */

/* Kind field groups — hidden by default, shown when active */
.composer-kind-fields {
    display: none;
    flex-direction: column;
    gap: 0.75rem;
}

.composer-kind-fields.active {
    display: flex;
}

/* Syndication section — always visible */
.composer-syndication {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1rem;
    margin-top: 0.5rem;
}

.composer-syndication h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0 0 0.75rem 0;
}

.composer-fields {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.composer-field-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.composer-field-label {
    font-family: 'Outfit', sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.composer-field-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.625rem;
    color: white;
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9375rem;
    transition: border-color 0.2s;
}

.composer-field-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.composer-field-input:focus {
    outline: none;
    border-color: #FF6B35;
}

/* Photo drop zone */
.composer-photo-zone {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    padding: 1rem;
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9375rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.composer-photo-zone:hover,
.composer-photo-zone.dragover {
    border-color: #FF6B35;
    background: rgba(255, 107, 53, 0.06);
    color: rgba(255, 255, 255, 0.6);
}

/* Photo preview thumbnails */
.composer-photo-previews {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.composer-photo-thumb {
    position: relative;
    width: 72px;
    height: 72px;
    border-radius: 0.5rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.composer-photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.composer-photo-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    line-height: 1;
    transition: background 0.2s;
}

.composer-photo-remove:hover {
    background: rgba(255, 60, 60, 0.8);
}

/* Star rating (reviews) */
.composer-rating {
    display: flex;
    gap: 0.25rem;
}

.composer-rating-star {
    width: 28px;
    height: 28px;
    cursor: pointer;
    opacity: 0.35;
    transition: opacity 0.15s, transform 0.15s;
}

.composer-rating-star:hover {
    transform: scale(1.15);
}

.composer-rating-star.active {
    opacity: 1;
}

/* ============================================================================
   7. FOOTER / ACTION BAR
   ============================================================================ */

.composer-footer {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(13, 5, 20, 0.6);
}

.composer-footer-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.composer-footer-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Secondary buttons (attach, preview, etc.) */
.composer-btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.5rem 0.875rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0.625rem;
    color: rgba(255, 255, 255, 0.7);
    font-family: 'Exo 2', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.composer-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

/* Primary action button — warm orange (#FF6B35) accent */
.composer-btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 1.25rem;
    background: #FF6B35;
    border: none;
    border-radius: 0.625rem;
    color: white;
    font-family: 'Outfit', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.composer-btn-primary:hover {
    background: #e85e2b;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
}

.composer-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(255, 107, 53, 0.3);
}

.composer-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Danger/delete button */
.composer-btn-danger {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.875rem;
    background: rgba(255, 80, 80, 0.12);
    border: 1px solid rgba(255, 80, 80, 0.25);
    border-radius: 0.625rem;
    color: #ff6b6b;
    font-family: 'Exo 2', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.composer-btn-danger:hover {
    background: rgba(255, 80, 80, 0.2);
    border-color: rgba(255, 80, 80, 0.4);
}

/* ============================================================================
   8. RESPONSIVE
   ============================================================================ */

/* Prevent iOS auto-zoom on input focus (requires font-size >= 16px) */
@media (max-width: 768px) {
    .composer input[type="text"],
    .composer input[type="url"],
    .composer input[type="number"],
    .composer input[type="date"],
    .composer input[type="time"],
    .composer textarea,
    .composer select,
    .composer .composer-content {
        font-size: 16px !important;
    }
}

/* Small phones (320px-600px) */
@media (max-width: 600px) {
    .composer-handle {
        padding: 0.625rem 1rem;
    }

    .composer-kind-bar {
        padding: 0.5rem 1rem;
    }

    .composer-body {
        padding: 0.75rem 1rem;
    }

    .composer-footer {
        padding: 0.625rem 1rem;
        padding-bottom: calc(0.625rem + env(safe-area-inset-bottom, 0px));
    }

    .composer-btn-primary {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .composer-title {
        font-size: 1.125rem;
    }
}

/* Tablets & small desktops (769px+) */
@media (min-width: 769px) {
    .composer {
        /* Center the drawer with a max-width on larger screens */
        left: 50%;
        right: auto;
        width: 100%;
        max-width: 680px;
        transform: translateX(-50%) translateY(100%);
        border-radius: 1.25rem 1.25rem 0 0;
    }

    .composer-closed {
        transform: translateX(-50%) translateY(100%);
    }

    .composer-compact {
        transform: translateX(-50%) translateY(calc(100% - 200px));
    }

    .composer-expanded {
        transform: translateX(-50%) translateY(0);
        max-height: 90vh;
        border-radius: 1.25rem;
        bottom: 2rem;
    }
}

/* Large desktops (1024px+) */
@media (min-width: 1024px) {
    .composer {
        max-width: 720px;
    }

    .composer-expanded {
        max-height: 85vh;
    }
}

/* ============================================================================
   12. Compose FAB (Floating Action Button)
   ============================================================================ */
/* FAB removed — compose is via header "New Post" button + reader toolbar */
.compose-fab {
    display: none !important;
}

.compose-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(255, 107, 53, 0.55);
}

.compose-fab:active {
    transform: scale(0.95);
}

.compose-fab.fab-hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.5);
}

@media (min-width: 769px) {
    .compose-fab {
        bottom: 2rem;
        right: 2rem;
    }
}