/**
 * FireWeb Messenger - Complete CSS (Premium UI v1.0.0)
 * @author Alion (@prgpu / @Learn_launch)
 * @license MIT
 */

/* ==================== Variables ==================== */
:root {
    --primary:      #667eea;
    --primary-dark: #5568d3;
    --accent:       #f5576c;
    --success:      #10b981;
    --warning:      #f59e0b;
    --danger:       #ef4444;
    --info:         #3b82f6;

    --bg-primary:   #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary:  #f1f5f9;
    --bg-hover:     #e2e8f0;
    --bg-elevated:  #ffffff;

    --text-primary:   #1e293b;
    --text-secondary: #64748b;
    --text-tertiary:  #94a3b8;

    --border:     #e2e8f0;
    --shadow-sm:  0 1px 2px 0 rgba(0,0,0,.05);
    --shadow-md:  0 4px 6px -1px rgba(0,0,0,.1);
    --shadow-lg:  0 10px 15px -3px rgba(0,0,0,.1);
    --shadow-xl:  0 20px 25px -5px rgba(0,0,0,.1);

    /* Voice player */
    --vp-bar:     rgba(102,126,234,.45);
    --vp-played:  #667eea;
}

[data-theme="dark"] {
    --bg-primary:   #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary:  #334155;
    --bg-hover:     #475569;
    --bg-elevated:  #1e293b;

    --text-primary:   #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary:  #94a3b8;

    --border: #334155;

    --vp-bar:    rgba(102,126,234,.35);
    --vp-played: #818cf8;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ==================== Layout ==================== */
.chat-page      { height: 100vh; overflow: hidden; }
.chat-container { display: flex; height: 100vh; background: var(--bg-secondary); }

/* ==================== Sidebar ==================== */
.sidebar {
    width: 340px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.avatar-wrapper { position: relative; flex-shrink: 0; }

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
}

.online-badge {
    position: absolute;
    bottom: 1px; right: 1px;
    width: 11px; height: 11px;
    background: var(--success);
    border: 2px solid var(--bg-primary);
    border-radius: 50%;
}

.user-info          { flex: 1; min-width: 0; }
.user-info h3       { font-size: 15px; font-weight: 600; margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-info p        { font-size: 12px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidebar-actions    { display: flex; gap: 4px; flex-wrap: wrap; }

/* ==================== Icon Button ==================== */
.icon-btn {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border: none;
    background: var(--bg-secondary);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.icon-btn:hover   { background: var(--primary); color: white; }
.icon-btn:active  { transform: scale(0.92); }
.icon-btn svg     { width: 18px; height: 18px; }

/* ==================== Conversations ==================== */
.conversations-wrapper {
    flex: 1; overflow: hidden;
    display: flex; flex-direction: column;
}

.conversations-list {
    flex: 1; overflow-y: auto;
    padding: 6px;
}

.conversation-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.18s, transform 0.15s;
    margin-bottom: 2px;
    position: relative;
}
.conversation-item:hover  { background: var(--bg-secondary); }
.conversation-item:active { transform: scale(0.99); }

.conversation-item.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(102,126,234,.3);
}

/* Avatar with badge */
.conversation-avatar       { position: relative; flex-shrink: 0; }
.conversation-avatar img   { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; display: block; }

.conv-type-badge {
    position: absolute;
    bottom: 0; right: 0;
    width: 18px; height: 18px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--bg-primary);
    font-size: 9px;
}
.conv-type-badge.group   { background: var(--primary); }
.conv-type-badge.channel { background: linear-gradient(135deg, #f5576c, #f093fb); }
.conversation-item.active .conv-type-badge { border-color: transparent; }

.conversation-info       { flex: 1; min-width: 0; }
.conversation-info h4    { font-size: 14px; font-weight: 600; margin-bottom: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-info p     { font-size: 12px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-item.active .conversation-info p { color: rgba(255,255,255,.8); }

/* Unread badge */
.unread-badge {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    font-size: 11px; font-weight: 700;
    padding: 3px 7px;
    border-radius: 12px;
    min-width: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(239,68,68,.4);
    animation: badgePulse 2.5s ease-in-out infinite;
    flex-shrink: 0;
}
.conversation-item.active .unread-badge { display: none; }

@keyframes badgePulse {
    0%,100% { transform: scale(1);   box-shadow: 0 2px 8px  rgba(239,68,68,.4); }
    50%      { transform: scale(1.1); box-shadow: 0 4px 12px rgba(239,68,68,.6); }
}

/* ==================== Chat Area ==================== */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    min-width: 0;
    position: relative;
}

/* ==================== Chat Header ==================== */
.chat-header {
    padding: 12px 16px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 66px;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.menu-btn { display: none; }

.chat-user-info {
    display: flex; align-items: center; gap: 12px;
    flex: 1; min-width: 0;
    cursor: pointer;
    transition: opacity 0.2s;
    border-radius: 10px;
    padding: 4px 6px;
    margin: -4px -6px;
}
.chat-user-info:hover    { opacity: 0.82; }
.chat-user-info img      { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); display: block; }

.chat-user-details       { flex: 1; min-width: 0; }
.chat-user-details h3    { font-size: 15px; font-weight: 700; margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.chat-status             { font-size: 12px; color: var(--text-secondary); display: flex; align-items: center; gap: 5px; }
.status-dot              { width: 7px; height: 7px; background: var(--success); border-radius: 50%; flex-shrink: 0; }

/* ==================== Welcome Screen ==================== */
.welcome-screen {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    z-index: 1;
    transition: opacity 0.3s, visibility 0.3s;
}
.welcome-screen[style*="display: none"] {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.welcome-content { text-align: center; padding: 20px; }

.welcome-icon {
    width: 96px; height: 96px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 24px;
    display: flex; align-items: center; justify-content: center;
    font-size: 48px;
    box-shadow: 0 20px 60px rgba(102,126,234,.35);
    animation: floatIcon 3s ease-in-out infinite;
}
@keyframes floatIcon {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}

.welcome-content h2 { font-size: 26px; font-weight: 700; margin-bottom: 10px; }
.welcome-content p  { font-size: 15px; color: var(--text-secondary); }

/* ==================== Messages ==================== */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    scroll-behavior: smooth;
}

.messages-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    display: flex;
    gap: 10px;
    animation: msgSlideIn 0.25s ease;
    position: relative;
    padding: 2px 0;
}
.message.own { flex-direction: row-reverse; }

@keyframes msgSlideIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.message-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    align-self: flex-end;
    margin-bottom: 18px;
}

.message-content {
    max-width: 65%;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.message.own .message-content { align-items: flex-end; }

.message-bubble {
    padding: 10px 14px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    word-wrap: break-word;
    transition: box-shadow 0.2s;
    cursor: context-menu;
    position: relative;
}
.message-bubble:hover { box-shadow: var(--shadow-md); }

.message.own .message-bubble {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-bottom-right-radius: 4px;
}
.message:not(.own) .message-bubble {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}

.message-text   { font-size: 14px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.message-edited { font-size: 10px; opacity: 0.65; font-style: italic; margin-top: 2px; }

.message-footer {
    padding: 0 4px;
    font-size: 10px;
    color: var(--text-tertiary);
    display: flex; align-items: center; gap: 4px;
}
.message.own .message-footer { flex-direction: row-reverse; }

/* ==================== Voice Player ==================== */
.voice-player {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 16px;
    min-width: 230px;
    max-width: 290px;
    position: relative;
    overflow: hidden;
}
.message.own .voice-player {
    background: rgba(255,255,255,.12);
}
.message:not(.own) .voice-player {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.voice-play-btn {
    width: 40px; height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: white;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(102,126,234,.4);
    transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
}
.voice-play-btn:hover  { box-shadow: 0 6px 20px rgba(102,126,234,.55); background: var(--primary-dark); }
.voice-play-btn:active { transform: scale(0.9); }

/* own message — white play btn */
.message.own .voice-play-btn {
    background: rgba(255,255,255,.25);
    box-shadow: none;
}
.message.own .voice-play-btn:hover { background: rgba(255,255,255,.4); }

.voice-player-body  { flex: 1; min-width: 0; }

.voice-waveform {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 30px;
    cursor: pointer;
    margin-bottom: 3px;
}
.voice-waveform-bar {
    width: 3px;
    border-radius: 3px;
    background: var(--vp-bar);
    transition: background 0.15s, height 0.15s;
    flex-shrink: 0;
}
.voice-waveform-bar.played { background: var(--vp-played); }
.voice-waveform-bar.active {
    background: var(--vp-played);
    animation: barPulse 0.4s ease-in-out infinite alternate;
}
/* own message waveform */
.message.own .voice-waveform-bar         { background: rgba(255,255,255,.35); }
.message.own .voice-waveform-bar.played  { background: rgba(255,255,255,.9); }
.message.own .voice-waveform-bar.active  { background: white; }

@keyframes barPulse {
    from { transform: scaleY(1); }
    to   { transform: scaleY(1.5); }
}

.voice-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.voice-time {
    font-size: 11px;
    color: var(--text-tertiary);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.03em;
}
.message.own .voice-time { color: rgba(255,255,255,.75); }

.voice-speed-btn {
    font-size: 11px; font-weight: 700;
    color: var(--primary);
    background: rgba(102,126,234,.12);
    border: none;
    border-radius: 6px;
    padding: 2px 7px;
    cursor: pointer;
    transition: background 0.2s;
}
.voice-speed-btn:hover { background: rgba(102,126,234,.22); }
.message.own .voice-speed-btn {
    color: white;
    background: rgba(255,255,255,.18);
}
.message.own .voice-speed-btn:hover { background: rgba(255,255,255,.28); }

/* ==================== Message Composer ==================== */
.message-composer {
    padding: 10px 14px 12px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: flex-end;
    gap: 8px;
    position: relative;
}

.composer-textarea {
    flex: 1;
    max-height: 120px;
    padding: 10px 16px;
    border: 1.5px solid var(--border);
    border-radius: 22px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    resize: none;
    font-family: inherit;
    line-height: 1.4;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    outline: none;
}
.composer-textarea:focus {
    border-color: var(--primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(102,126,234,.12);
}

/* Voice record active */
.voice-record-active {
    color: var(--danger) !important;
    background: rgba(239,68,68,.12) !important;
    border-radius: 50%;
    animation: recordPulse 1s ease infinite;
}
@keyframes recordPulse {
    0%,100% { box-shadow: 0 0 0 0   rgba(239,68,68,.4); }
    50%      { box-shadow: 0 0 0 8px rgba(239,68,68,0); }
}

/* Send button */
.send-btn {
    width: 42px; height: 42px;
    border: none;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    box-shadow: var(--shadow-md);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.send-btn:hover:not(:disabled) { transform: scale(1.08); box-shadow: 0 6px 16px rgba(102,126,234,.45); }
.send-btn:active:not(:disabled){ transform: scale(0.95); }
.send-btn:disabled              { opacity: 0.4; cursor: not-allowed; }
.send-btn svg                   { width: 17px; height: 17px; }

/* ==================== Context Menu ==================== */
.context-menu {
    position: fixed;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    padding: 6px;
    z-index: 10000;
    min-width: 185px;
    display: none;
}
.context-menu.active {
    display: block;
    animation: scaleIn 0.14s ease;
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.94); }
    to   { opacity: 1; transform: scale(1); }
}

.context-menu-item {
    padding: 10px 14px;
    cursor: pointer;
    border-radius: 8px;
    display: flex; align-items: center; gap: 10px;
    font-size: 14px;
    color: var(--text-primary);
    transition: background 0.15s;
    user-select: none;
}
.context-menu-item:hover         { background: var(--bg-secondary); }
.context-menu-item.danger        { color: var(--danger); }
.context-menu-item.danger:hover  { background: rgba(239,68,68,.1); }
.context-menu-item svg           { width: 16px; height: 16px; flex-shrink: 0; }
.context-menu-divider            { height: 1px; background: var(--border); margin: 4px 0; }

/* ==================== Modals ==================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(6px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal.active { display: flex; animation: fadeIn 0.2s ease; }

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal-content {
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(30px);
    border-radius: 18px;
    padding: 24px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 40px rgba(0,0,0,.2);
    animation: modalSlide 0.22s ease;
}
@keyframes modalSlide {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
[data-theme="dark"] .modal-content { background: rgba(15,23,42,.97); }

.liquid-glass-modal {
    border: 1px solid rgba(255,255,255,.2);
}
[data-theme="dark"] .liquid-glass-modal { border-color: rgba(255,255,255,.07); }

.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 20px;
}
.modal-header h2 { font-size: 20px; font-weight: 700; }

.modal-close {
    width: 32px; height: 32px;
    border: none;
    background: rgba(0,0,0,.06);
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s, color 0.2s;
}
.modal-close:hover { background: var(--danger); color: white; }

/* ==================== Search ==================== */
.search-tabs {
    display: flex;
    gap: 6px;
    padding: 0 2px 12px;
}
.search-tab-btn {
    flex: 1;
    padding: 9px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    background: transparent;
    font-size: 13px; font-weight: 600;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.search-tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(102,126,234,.3);
}

.search-bar { padding: 0 0 14px; }

.search-input-wrapper       { position: relative; }
.search-input-wrapper input {
    width: 100%;
    padding: 11px 16px 11px 42px;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    font-family: inherit;
}
.search-input-wrapper input:focus {
    border-color: var(--primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(102,126,234,.1);
}
.search-icon {
    position: absolute;
    left: 13px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-results      { max-height: 380px; overflow-y: auto; margin: 0 -4px; }

.search-result-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.15s;
}
.search-result-item:hover   { background: rgba(102,126,234,.08); }
.search-result-item img     { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.search-result-info h4      { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.search-result-info p       { font-size: 12px; color: var(--text-secondary); }

/* ==================== Forms ==================== */
.form-group         { margin-bottom: 18px; }
.form-group label   { display: block; font-weight: 600; font-size: 14px; color: var(--text-primary); margin-bottom: 7px; }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
    outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102,126,234,.1);
}
.form-group small { display: block; margin-top: 5px; font-size: 12px; color: var(--text-tertiary); }

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center; justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border: none;
    border-radius: 10px;
    font-size: 14px; font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    font-family: inherit;
}
.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: var(--shadow-md);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(102,126,234,.35); }
.btn-block  { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ==================== Toast ==================== */
.fw-toast {
    position: fixed;
    bottom: 24px; left: 50%;
    transform: translateX(-50%);
    color: white;
    padding: 11px 22px;
    border-radius: 12px;
    font-size: 14px; font-weight: 600;
    z-index: 99999;
    box-shadow: 0 4px 16px rgba(0,0,0,.2);
    animation: toastIn 0.3s ease;
    pointer-events: none;
    white-space: nowrap;
}
@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(8px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ==================== Spinner ==================== */
.spinner {
    width: 30px; height: 30px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ==================== Channel-only composer notice ==================== */
.channel-readonly-notice {
    flex: 1;
    text-align: center;
    font-size: 13px;
    color: var(--text-tertiary);
    padding: 4px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* ==================== Responsive (Mobile) ==================== */
@media (max-width: 767px) {
    .sidebar {
        position: fixed !important;
        left: 0 !important; top: 0 !important;
        width: 85vw !important;
        max-width: 320px !important;
        height: 100vh !important;
        z-index: 2000 !important;
        transform: translateX(-100%) !important;
        transition: transform 0.3s ease !important;
        box-shadow: none;
    }
    .sidebar.open {
        transform: translateX(0) !important;
        box-shadow: 4px 0 24px rgba(0,0,0,.18) !important;
    }

    .chat-area    { width: 100vw !important; }
    .menu-btn     { display: flex !important; }

    .messages-container { padding: 12px; }

    .message-content { max-width: 80%; }

    .voice-player { min-width: 190px; }

    .modal-content { padding: 18px; border-radius: 14px; }

    .welcome-screen { position: relative; }
}

@media (max-width: 400px) {
    .message-content  { max-width: 88%; }
    .voice-player     { min-width: 160px; }
    .sidebar-actions  { gap: 2px; }
    .icon-btn         { width: 32px; height: 32px; }
}