/* pic.trading — Minimal, Clean Stylesheet */

:root {
    --bg: #FFFFFF;
    --bg-subtle: #F7F7F8;
    --bg-hover: #F0F0F2;
    --text: #111111;
    --text-secondary: #555555;
    --text-muted: #999999;
    --accent: #1A1A1A;
    --accent-hover: #333333;
    --border: #E5E5E7;
    --border-light: #F0F0F2;
    --shadow: rgba(0, 0, 0, 0.06);
    --shadow-md: rgba(0, 0, 0, 0.1);
    --error: #D93025;
    --success: #188038;
    --radius: 12px;
    --radius-sm: 8px;
    --font: 'Outfit', -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    font-family: var(--font);
    font-size: 16px;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.hidden { display: none !important; }

/* Landing Page */
.landing-page {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg-subtle);
}

.landing-container { width: 100%; max-width: 400px; text-align: center; }
.logo-area { margin-bottom: 40px; }
.logo { font-size: 2rem; font-weight: 600; letter-spacing: -0.03em; color: var(--text); }
.tagline { font-size: 0.95rem; color: var(--text-muted); margin-top: 6px; font-weight: 300; }

.create-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: 0 1px 3px var(--shadow);
}

.step { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 8px; text-align: left; }

input[type="text"] {
    width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 1rem; color: var(--text); background: var(--bg); outline: none; transition: border-color 0.2s;
}
input[type="text"]:focus { border-color: var(--accent); }
input[type="text"]::placeholder { color: var(--text-muted); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px;
    border: none; border-radius: var(--radius-sm); font-family: var(--font); font-size: 0.95rem;
    font-weight: 500; cursor: pointer; transition: all 0.2s; width: 100%; margin-top: 16px; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secondary { background: var(--bg-subtle); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-hover); }

.step-greeting { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 20px; text-align: left; }

.upload-area {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 40px 20px; border: 2px dashed var(--border); border-radius: var(--radius);
    cursor: pointer; transition: all 0.2s; text-align: center;
}
.upload-area:hover { border-color: var(--text-muted); background: var(--bg-subtle); }
.upload-icon { color: var(--text-muted); margin-bottom: 12px; }
.upload-text { font-size: 0.95rem; color: var(--text-secondary); }
.upload-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }

.file-preview {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; background: var(--bg-subtle); border-radius: var(--radius-sm);
}
.file-name { font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 250px; }
.btn-remove { background: none; border: none; font-size: 1.3rem; color: var(--text-muted); cursor: pointer; padding: 0 4px; }
.btn-remove:hover { color: var(--error); }

.progress-bar { width: 100%; height: 4px; background: var(--bg-hover); border-radius: 2px; margin-top: 16px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 2px; width: 0%; transition: width 0.3s ease; }

.error-message { color: var(--error); font-size: 0.95rem; margin-bottom: 8px; }
.footer-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 24px; }

/* Join / Full / Expired */
.join-overlay, .fullscreen-message {
    position: fixed; inset: 0; background: var(--bg-subtle);
    display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 1000;
}
.join-card, .message-card {
    background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 32px 28px; width: 100%; max-width: 400px; text-align: center; box-shadow: 0 1px 3px var(--shadow);
}
.join-text { color: var(--text-secondary); font-size: 0.95rem; margin: 12px 0 12px; }
.join-privacy-note { 
    color: var(--text-muted); 
    font-size: 0.8125rem; 
    line-height: 1.5; 
    margin: 0 0 24px; 
    max-width: 320px;
}
.join-form { text-align: left; }
.join-error { color: var(--error); font-size: 0.9rem; margin-top: 12px; }
.message-card p { color: var(--text-secondary); margin: 16px 0; font-size: 0.95rem; }

/* Room Interface */
.room-page { height: 100dvh; overflow: hidden; }
.room-container { display: flex; flex-direction: column; height: 100dvh; position: relative; }

.room-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--bg); z-index: 100; flex-shrink: 0;
}
.header-left, .header-right { display: flex; align-items: center; gap: 8px; }
.logo-small { font-size: 1rem; font-weight: 600; color: var(--text); text-decoration: none; letter-spacing: -0.02em; }
.logo-with { color: var(--text-muted); font-weight: 400; }
.room-users { display: flex; gap: 8px; align-items: center; font-size: 0.8rem; color: var(--text-secondary); }

.user-badge {
    display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px;
    background: var(--bg-subtle); border-radius: 20px; font-size: 0.8rem; color: var(--text-secondary);
}
.user-badge.is-me { background: var(--accent); color: #FFFFFF; }
.user-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); }

.countdown { display: flex; align-items: center; gap: 4px; font-size: 0.8rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.btn-icon {
    display: flex; align-items: center; justify-content: center; width: 36px; height: 36px;
    border: none; background: none; color: var(--text-secondary); cursor: pointer; border-radius: 50%; transition: background 0.2s;
}
.btn-icon:hover { background: var(--bg-hover); }

/* Share banner - Green with animations */
.share-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: linear-gradient(135deg, #188038 0%, #1a9944 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

/* Subtle animated gradient overlay */
.share-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.05) 50%, 
        transparent 100%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.share-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: relative;
    z-index: 1;
}

.share-banner-content p {
    margin: 0;
    font-size: 0.9rem;
    color: #FFFFFF;
    font-weight: 400;
}

.share-banner-content strong {
    font-weight: 600;
    color: #FFFFFF;
}

.btn-share-banner {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #FFFFFF;
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: gentlePulse 2.5s ease-in-out infinite;
}

@keyframes gentlePulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.3);
    }
    50% { 
        transform: scale(1.02);
        box-shadow: 0 0 0 6px rgba(255, 255, 255, 0);
    }
}

.btn-share-banner:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
    animation: none;
}

.btn-share-banner:active {
    transform: scale(0.98);
}

.btn-share-banner svg {
    width: 16px;
    height: 16px;
}

/* Share Modal */
.share-modal {
    position: fixed;
    inset: 0;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.share-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}

.share-modal-card {
    position: relative;
    background: var(--bg);
    border-radius: var(--radius-lg);
    border: 0.5px solid var(--border);
    padding: 2rem 1.5rem;
    max-width: 340px;
    width: 100%;
    text-align: center;
    z-index: 1;
}

.share-modal-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.5rem;
    background: var(--success-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
}

.share-modal-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin: 0 0 0.5rem;
    color: var(--text);
}

.share-modal-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0 0 1.5rem;
    line-height: 1.5;
}

.share-modal-btn {
    width: 100%;
    background: var(--success-bg);
    color: var(--success);
    border: none;
    border-radius: var(--radius);
    padding: 14px;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 1rem;
    transition: opacity 0.2s;
}

.share-modal-btn:hover {
    opacity: 0.85;
}

.share-modal-later {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.8125rem;
    cursor: pointer;
    padding: 8px;
    transition: text-decoration 0.2s;
}

.share-modal-later:hover {
    text-decoration: underline;
}

.menu-dropdown {
    position: absolute; top: 56px; right: 12px; background: var(--bg); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: 0 4px 20px var(--shadow-md); z-index: 200; min-width: 240px; padding: 8px 0;
    animation: fadeIn 0.15s ease;
}
.menu-item { padding: 12px 16px; }
.menu-btn {
    display: flex; align-items: center; gap: 10px; width: 100%; background: none; border: none;
    font-family: var(--font); font-size: 0.9rem; color: var(--text); cursor: pointer; text-align: left; transition: background 0.15s;
}
.menu-btn:hover { background: var(--bg-subtle); }
.menu-divider { height: 1px; background: var(--border-light); margin: 4px 0; }

.toggle-label { display: flex; align-items: center; justify-content: space-between; font-size: 0.9rem; color: var(--text); cursor: pointer; margin-bottom: 0; }
.toggle-switch { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; inset: 0; background: var(--border); border-radius: 24px; transition: 0.2s; cursor: pointer; }
.toggle-slider::before { content: ''; position: absolute; width: 18px; height: 18px; left: 3px; bottom: 3px; background: white; border-radius: 50%; transition: 0.2s; }
.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }
.toggle-status { display: block; font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

/* Toast */
.toast {
    position: fixed; top: 72px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #FFFFFF;
    padding: 10px 20px; border-radius: var(--radius-sm); font-size: 0.85rem; z-index: 500; animation: toastIn 0.3s ease; white-space: nowrap;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(-10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* Feed */
.feed-area { flex: 1; overflow-y: auto; padding: 0 0 100px 0; -webkit-overflow-scrolling: touch; }
.feed { max-width: 600px; margin: 0 auto; padding: 16px; position: relative; }
.feed-empty { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.feed-empty .subtle { font-size: 0.85rem; margin-top: 8px; }

.feed-item { margin-bottom: 20px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg); animation: fadeIn 0.3s ease; }
.feed-item-media { position: relative; width: 100%; background: var(--bg-subtle); line-height: 0; -webkit-touch-callout: none; -webkit-user-select: none; user-select: none; }

.media-protected { position: relative; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.media-protected img { width: 100%; display: block; pointer-events: none; -webkit-user-drag: none; user-select: none; -webkit-user-select: none; }
.media-shield { position: absolute; inset: 0; z-index: 2; cursor: default; -webkit-touch-callout: none; }
.media-downloadable img { width: 100%; display: block; pointer-events: auto; }
.media-downloadable .media-shield { display: none; }

.video-poster { position: relative; width: 100%; aspect-ratio: 16/9; background: #1A1A1A; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.play-btn { width: 64px; height: 64px; border-radius: 50%; background: rgba(255,255,255,0.9); display: flex; align-items: center; justify-content: center; transition: transform 0.2s; }
.video-poster:hover .play-btn { transform: scale(1.1); }
.play-btn svg { margin-left: 4px; color: #1A1A1A; }
.video-player { width: 100%; display: block; background: #000; }

/* Overlaid controls */
.overlay-username {
    position: absolute;
    top: 12px;
    left: 12px;
    color: white;
    opacity: 0.5;
    font-size: 0.85rem;
    font-weight: 500;
    z-index: 10;
    pointer-events: none;
}

.overlay-expand,
.overlay-delete,
.overlay-download {
    position: absolute;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    border-radius: 6px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s;
    text-decoration: none;
    pointer-events: auto;
}

.overlay-expand { top: 12px; right: 12px; }
.overlay-delete { bottom: 12px; right: 12px; }
.overlay-download { bottom: 12px; left: 12px; }

.feed-item:hover .overlay-expand,
.feed-item:hover .overlay-delete,
.feed-item:hover .overlay-download,
.feed-item:hover .overlay-download-toggle {
    opacity: 1;
}

.overlay-expand:hover,
.overlay-delete:hover,
.overlay-download:hover {
    background: rgba(0, 0, 0, 0.8);
}

.overlay-expand svg,
.overlay-delete svg,
.overlay-download svg {
    color: white;
}

.overlay-download-toggle {
    position: absolute;
    bottom: 12px;
    left: 12px;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.overlay-download-toggle-label {
    color: white;
    font-size: 0.8125rem;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

/* Download toggle inside overlay */
.overlay-download-toggle .download-toggle { 
    position: relative; 
    width: 44px; 
    height: 24px; 
    cursor: pointer; 
    display: inline-block; 
}
.overlay-download-toggle .download-toggle input { opacity: 0; width: 0; height: 0; }
.overlay-download-toggle .download-toggle .toggle-slider { 
    position: absolute; 
    inset: 0; 
    background: rgba(255, 255, 255, 0.3); 
    border-radius: 24px; 
    transition: 0.2s; 
}
.overlay-download-toggle .download-toggle .toggle-slider::before { 
    content: ''; 
    position: absolute; 
    width: 18px; 
    height: 18px; 
    left: 3px; 
    bottom: 3px; 
    background: white; 
    border-radius: 50%; 
    transition: 0.2s; 
}
.overlay-download-toggle .download-toggle input:checked + .toggle-slider { background: #1a9944; }
.overlay-download-toggle .download-toggle input:checked + .toggle-slider::before { transform: translateX(20px); }


/* Gallery Lightbox */
.gallery-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.gallery-lightbox.active {
    display: flex;
}

.lightbox-img {
    max-width: 70%;
    max-height: 80%;
    object-fit: contain;
    border-radius: var(--radius);
    user-select: none;
    -webkit-user-select: none;
}

.lightbox-close {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    color: white;
    z-index: 10;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-counter {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    color: white;
    font-weight: 500;
    z-index: 10;
}

.lightbox-prev,
.lightbox-next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, opacity 0.2s;
    color: white;
    z-index: 10;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover:not(:disabled),
.lightbox-next:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-prev:disabled,
.lightbox-next:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lightbox-dots {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.lightbox-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: background 0.2s;
}

.lightbox-dot.active {
    background: white;
}

/* Mobile adjustments */
@media (max-width: 767px) {
    .lightbox-img {
        max-width: 90%;
        max-height: 70%;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 36px;
        height: 36px;
    }
    
    .lightbox-prev {
        left: 12px;
    }
    
    .lightbox-next {
        right: 12px;
    }
    
    .lightbox-counter {
        font-size: 12px;
        padding: 6px 12px;
    }
}

/* FAB - Centered at top of feed, above first photo */
.fab {
    position: sticky;
    top: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--success);
    color: #FFFFFF;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(24, 128, 56, 0.3);
    cursor: pointer;
    z-index: 80;
    transition: transform 0.2s, box-shadow 0.2s;
    margin: 0 auto 24px;
}
.fab:hover { transform: scale(1.08); box-shadow: 0 4px 12px rgba(24, 128, 56, 0.4); }
.fab:active { transform: scale(0.95); }
.fab svg { width: 20px; height: 20px; }

/* Upload overlay */
.upload-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 400; }
.upload-progress-card { background: var(--bg); border-radius: var(--radius); padding: 28px 32px; text-align: center; min-width: 260px; }
.upload-progress-card p { margin-bottom: 16px; font-size: 0.95rem; color: var(--text-secondary); }

/* Chat Panel */
.chat-panel {
    position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg); border-top: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0; box-shadow: 0 -2px 20px var(--shadow); z-index: 150;
    transition: height 0.3s ease; height: 120px; display: flex; flex-direction: column;
}
.chat-panel.expanded { }

.chat-handle { 
    display: flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 16px; 
    cursor: grab; flex-shrink: 0; user-select: none; -webkit-user-select: none; touch-action: none; position: relative; 
}
.chat-handle:active { cursor: grabbing; }
.handle-bar { width: 32px; height: 4px; background: var(--border); border-radius: 2px; position: absolute; top: 8px; }

.chat-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-label::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #188038;
    box-shadow: 0 0 0 0 rgba(24, 128, 56, 0.5);
    animation: dotPulse 2s ease-in-out infinite;
}

.chat-panel.expanded .chat-label::before {
    animation: none;
    box-shadow: none;
}

@keyframes dotPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(24, 128, 56, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(24, 128, 56, 0); }
}

.chat-badge { background: var(--accent); color: #FFFFFF; font-size: 0.7rem; font-weight: 600; padding: 2px 7px; border-radius: 10px; min-width: 18px; text-align: center; }

.chat-body { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.chat-messages { flex: 1; overflow-y: auto; padding: 8px 16px; -webkit-overflow-scrolling: touch; }
.chat-empty { text-align: center; color: var(--text-muted); font-size: 0.85rem; padding: 8px 20px; }

.chat-msg { margin-bottom: 8px; animation: fadeIn 0.2s ease; font-size: 0.9rem; line-height: 1.4; }
.chat-msg-name { font-weight: 500; }
.chat-msg-text { word-wrap: break-word; }

/* User color classes */
.user-1 { color: #0066cc; } /* Blue for User 1 */
.user-2 { color: #800000; } /* Maroon for User 2 */

.chat-input-area { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border-light); flex-shrink: 0; }
.chat-input-area input { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: 24px; font-family: var(--font); font-size: 0.9rem; outline: none; background: var(--bg-subtle); color: var(--text); }
.chat-input-area input:focus { border-color: var(--accent); background: var(--bg); }
.btn-send { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: #FFFFFF; border: none; display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; transition: opacity 0.2s; }
.btn-send:hover { opacity: 0.85; }

@media (min-width: 768px) {
    .feed { padding: 24px; }
    .chat-panel { max-width: 400px; right: 16px; left: auto; border-radius: var(--radius) var(--radius) 0 0; }
}

@media print { body { display: none !important; } }