/* ============================================
   ОНЛАЙН КЛИНИКА «ВРАЧ РЯДОМ» - WEB VERSION
   MOBILE-FIRST FULLSCREEN DESIGN
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
    /* Light Theme (default) */
    --bg-primary: #2563EB;
    --bg-secondary: #1e3a8a;
    --text-primary: #1a1a1a;
    --text-secondary: #4b5563;
    --card-bg: rgba(255, 255, 255, 0.95);
    --input-bg: #ffffff;
    --border: rgba(0, 0, 0, 0.1);
    --accent: #C62828;
    --accent-hover: #b91c1c;
    --success: #10b981;
    --shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #0a1929;
    --bg-secondary: #1e3a8a;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --card-bg: rgba(15, 23, 42, 0.95);
    --input-bg: #1e293b;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 0, 0, 0.3);
}

/* Dark theme text visibility fixes */
[data-theme="dark"] body,
[data-theme="dark"] .message-content,
[data-theme="dark"] .message-author,
[data-theme="dark"] .message-time,
[data-theme="dark"] .mode-title,
[data-theme="dark"] .mode-desc,
[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3,
[data-theme="dark"] p {
    color: #ffffff !important;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea {
    color: #ffffff !important;
    background: #1e293b !important;
}

[data-theme="dark"] .message.assistant {
    background: rgba(15, 23, 42, 0.8);
    color: #ffffff;
}

[data-theme="dark"] .message.user {
    background: rgba(37, 99, 235, 0.3);
    color: #ffffff;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    transition: background 0.3s ease;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    box-sizing: border-box;
}

/* ============================================
   HEADER
   ============================================ */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    padding-top: max(12px, env(safe-area-inset-top));
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px var(--shadow);
    z-index: 100;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

.header-actions {
    display: flex;
    gap: 8px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    transform: scale(1.05);
    border-color: var(--accent);
}

.icon-btn:active {
    transform: scale(0.95);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
    flex: 1;
    overflow-y: auto;
    position: relative;
}

.screen {
    display: none;
    width: 100%;
    min-height: 100%;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   WELCOME SCREEN
   ============================================ */

#welcomeScreen {
    justify-content: center;
    align-items: center;
}

.welcome-card,
.home-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 10px 40px var(--shadow);
}

.home-logo-wrap { margin-top: 4px; margin-bottom: 14px; }
.home-logo-img {
    width: 120px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(196,30,58,0.25);
}
.home-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.3;
}
.home-stats {
    display: flex; gap: 10px; margin-top: 16px; justify-content: center;
}
.home-stat-card {
    flex: 1; background: rgba(255,255,255,0.06); border-radius: 12px;
    padding: 10px 8px; text-align: center;
}
.home-stat-num { font-size: 22px; font-weight: 700; color: var(--accent); }
.home-stat-label { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }
.home-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}
.home-btn {
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
.home-btn-primary {
    background: var(--input-bg);
    color: var(--text-primary);
    border: 2px solid var(--border);
}
.home-btn-primary:hover {
    background: var(--accent);
    color: white;
}
.home-btn-consult {
    background: var(--accent);
    color: white;
}
.home-btn-consult:hover {
    background: var(--accent-hover);
}
.clinic-tagline { font-size: 13px; margin-top: 8px; opacity: 0.9; }

.mode-switcher {
    display: flex;
    gap: 8px;
    flex: 1;
    justify-content: center;
}
.mode-chip {
    padding: 8px 14px;
    border-radius: 20px;
    border: 2px solid var(--border);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.mode-chip.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.mode-chip:hover:not(.active) { border-color: var(--accent); }

.reception-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--card-bg);
    flex-wrap: wrap;
}
.reception-title { flex: 1; font-size: 20px; color: var(--text-primary); }
.btn-create-client {
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--success);
    color: white;
    border: none;
    font-weight: 600;
    cursor: pointer;
}
.reception-search-wrap { padding: 8px 16px 4px; }
.reception-search {
    width: 100%; padding: 11px 16px; border-radius: 12px;
    border: 1.5px solid var(--border); background: var(--card-bg);
    color: var(--text-primary); font-size: 15px; outline: none;
}
.reception-search:focus { border-color: var(--bg-primary); }
.reception-list-wrap { flex: 1; overflow-y: auto; padding: 12px 16px 20px; }
.reception-cards { display: flex; flex-direction: column; gap: 12px; }
.reception-empty { text-align: center; padding: 40px 20px; color: var(--text-secondary); font-size: 15px; }
.client-card {
    background: var(--card-bg); border-radius: 16px;
    padding: 14px 14px 10px; display: flex; flex-direction: column; gap: 10px;
    color: var(--text-primary); box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.15s;
}
.client-card:hover { transform: translateY(-1px); }
.client-card-top { display: flex; align-items: center; gap: 12px; }
.client-card-avatar {
    width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 18px;
}
.client-card-info { flex: 1; min-width: 0; }
.client-card-name { font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.client-card-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.client-card-goals { font-size: 11px; color: var(--accent); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.client-card-utils { display: flex; gap: 6px; flex-shrink: 0; }
.btn-edit-client, .btn-del-client {
    width: 30px; height: 30px; border: none; border-radius: 8px; cursor: pointer;
    font-size: 14px; display: flex; align-items: center; justify-content: center; transition: opacity 0.15s;
}
.btn-edit-client { background: rgba(100,116,139,0.15); color: var(--text-secondary); }
.btn-del-client { background: rgba(239,68,68,0.12); color: #ef4444; }
.btn-edit-client:hover, .btn-del-client:hover { opacity: 0.7; }
.btn-chat-client {
    width: 100%; padding: 9px 16px; border: none; border-radius: 10px; cursor: pointer;
    background: var(--accent); color: #fff; font-size: 14px; font-weight: 600;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    transition: opacity 0.15s, transform 0.1s;
}
.btn-chat-client:hover { opacity: 0.9; transform: scale(1.01); }
.btn-chat-client:active { transform: scale(0.98); }
.chat-last-date { font-weight: 400; opacity: 0.75; font-size: 12px; }

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    max-width: 360px;
    width: 100%;
    color: var(--text-primary);
}
.modal-card h3 { margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; }
.form-group input {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text-primary);
}
.modal-actions { display: flex; gap: 12px; margin-top: 24px; }
.modal-actions .btn-secondary {
    background: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
}
.btn-primary {
    padding: 10px 20px;
    border-radius: 10px;
    background: var(--accent);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.clinic-logo {
    font-size: 80px;
    margin-bottom: 20px;
}

.welcome-card h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 30px;
    line-height: 1.3;
}

.clinic-info {
    margin-bottom: 40px;
}

.clinic-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 5px 0;
}

.clinic-info strong {
    color: var(--text-primary);
}

.mode-selection h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.mode-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-radius: 15px;
    border: 2px solid var(--border);
    background: var(--input-bg);
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 15px;
    text-align: left;
}

.mode-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--shadow);
}

.mode-btn.primary {
    border-color: var(--accent);
}

.mode-btn.primary:hover {
    background: var(--accent);
    color: white;
}

.mode-btn.secondary {
    border-color: var(--success);
}

.mode-btn.secondary:hover {
    background: var(--success);
    color: white;
}

.mode-icon {
    font-size: 40px;
    flex-shrink: 0;
}

.mode-info {
    flex: 1;
}

.mode-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
}

.mode-desc {
    font-size: 13px;
    opacity: 0.7;
}

.clinic-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.flags {
    font-size: 30px;
    margin-bottom: 10px;
}

.footer-text {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================
   CHAT SCREEN
   ============================================ */

#chatScreen {
    padding: 0;
}

.mode-header {
    background: var(--card-bg);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 10px var(--shadow);
}

.back-btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.back-btn:hover {
    background: var(--accent);
    color: white;
}

.mode-title-header {
    flex: 1;
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    padding: 15px;
    border-radius: 12px;
    max-width: 85%;
    animation: slideIn 0.3s ease;
    word-wrap: break-word;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message.assistant {
    background: var(--card-bg);
    align-self: flex-start;
    border-left: 3px solid var(--accent);
}

/* Пузырь пользователя: контрастный (виден на голубом фоне) */
.message.user {
    background: #ffffff;
    color: #1a1a1a;
    align-self: flex-end;
    border-right: 3px solid var(--accent);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.message.user .message-content,
.message.user .message-author,
.message.user .message-time {
    color: #1a1a1a !important;
}

[data-theme="dark"] .message.user {
    background: rgba(59, 130, 246, 0.4);
    color: #ffffff;
}

[data-theme="dark"] .message.user .message-content,
[data-theme="dark"] .message.user .message-author,
[data-theme="dark"] .message.user .message-time {
    color: #ffffff !important;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 12px;
    opacity: 0.7;
}

.message-author {
    font-weight: 600;
    color: var(--accent);
}

.message-time {
    font-size: 11px;
}

.message-content {
    line-height: 1.6;
    color: var(--text-primary);
}

.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.message-btn {
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.message-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ============================================
   INPUT AREA
   ============================================ */

.input-area {
    display: flex;
    gap: 10px;
    padding: 15px 20px;
    background: var(--card-bg);
    box-shadow: 0 -2px 10px var(--shadow);
    align-items: flex-end;
}

#messageInput {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    max-height: 120px;
    min-height: 44px;
}

#messageInput:focus {
    outline: none;
    border-color: var(--accent);
}

.attach-btn,
.voice-btn {
    color: var(--text-secondary);
}

.attach-btn:hover,
.voice-btn:hover {
    color: var(--accent);
}

.voice-btn.recording {
    background: var(--accent) !important;
    color: white !important;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--accent);
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.send-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.send-btn:active {
    transform: scale(0.95);
}

/* ============================================
   SETTINGS SCREEN
   ============================================ */

.settings-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    max-width: 600px;
    margin: 0 auto;
}

.settings-card h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--accent);
}

.setting-group {
    margin-bottom: 30px;
}

.setting-group h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.setting-item {
    margin-bottom: 15px;
}

.setting-item label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.setting-item input[type="password"],
.setting-item input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 10px;
}

.setting-item button {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: white;
    cursor: pointer;
    transition: all 0.2s;
}

.setting-item button:hover {
    background: var(--accent-hover);
}

.btn-primary {
    width: 100%;
    padding: 15px;
    border-radius: 12px;
    border: none;
    background: var(--accent);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

/* ============================================
   STATUS BAR
   ============================================ */

.status-bar {
    padding: 10px 20px;
    background: var(--card-bg);
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    box-shadow: 0 -2px 10px var(--shadow);
}

/* ============================================
   MOBILE OPTIMIZATIONS
   ============================================ */

@media (max-width: 768px) {
    .header {
        padding: 10px 12px;
    }
    
    .logo {
        font-size: 16px;
    }
    
    .welcome-card {
        padding: 30px 20px;
    }
    
    .welcome-card h1 {
        font-size: 24px;
    }
    
    .clinic-logo {
        font-size: 60px;
    }
    
    .mode-btn {
        padding: 15px;
    }
    
    .mode-icon {
        font-size: 32px;
    }
    
    .mode-title {
        font-size: 16px;
    }
    
    .messages-area {
        padding: 15px;
    }
    
    .message {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .screen {
        padding: 10px;
    }
    
    .welcome-card h1 {
        font-size: 20px;
    }
    
    .mode-btn {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

/* === Главная: home-card, логотип, кнопки === */
.home-logo-img { width: 120px; height: auto; margin: 0 auto; display: block; border-radius: 20px; box-shadow: 0 8px 32px rgba(196,30,58,0.25); }
.home-title { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; line-height: 1.3; }
.home-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.home-btn { padding: 16px 24px; border-radius: 12px; font-size: 16px; font-weight: 600; border: none; cursor: pointer; transition: all 0.2s; }
.home-btn-primary { background: var(--input-bg); color: var(--text-primary); border: 2px solid var(--border); }
.home-btn-primary:hover { background: var(--accent); color: white; }
.home-btn-consult { background: var(--accent); color: white; }
.home-btn-consult:hover { background: var(--accent-hover); }
.clinic-tagline { font-size: 13px; margin-top: 8px; opacity: 0.9; }

/* === Режимы в чате (одна линия) === */
.mode-switcher { display: flex; gap: 8px; flex: 1; justify-content: center; }
.mode-chip { padding: 8px 14px; border-radius: 20px; border: 2px solid var(--border); background: var(--input-bg); color: var(--text-primary); font-size: 14px; font-weight: 600; cursor: pointer; }
.mode-chip.active { background: var(--accent); color: white; border-color: var(--accent); }
.mode-chip:hover:not(.active) { border-color: var(--accent); }


/* === Модалка нового клиента === */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: none; align-items: center; justify-content: center; z-index: 1000; padding: 20px; }
.modal-overlay.show { display: flex; }
.modal-card { background: var(--card-bg); border-radius: 16px; padding: 24px; max-width: 360px; width: 100%; color: var(--text-primary); }
.modal-card h3 { margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; }
.form-group input { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--input-bg); color: var(--text-primary); }
.modal-actions { display: flex; gap: 12px; margin-top: 24px; }
.modal-actions .btn-secondary { background: var(--input-bg); color: var(--text-primary); border: 1px solid var(--border); padding: 10px 20px; border-radius: 10px; cursor: pointer; }

.home-login-block { margin: 20px 0; padding: 12px 0; border-top: 1px solid var(--border); }
.home-login-hint { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.home-login-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.home-phone-input { flex: 1; min-width: 140px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--input-bg); color: var(--text-primary); font-size: 15px; }
.home-btn-login { padding: 10px 18px; white-space: nowrap; }
.home-user-row { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 8px; }
.home-current-user { font-size: 14px; color: var(--accent); }
.btn-logout { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); border-radius: 8px; padding: 4px 10px; font-size: 12px; cursor: pointer; }
.btn-logout:hover { border-color: var(--accent); color: var(--accent); }
.reception-list li .btn-chat-client { padding: 6px 12px; border-radius: 8px; border: none; background: var(--accent); color: #fff; font-size: 13px; cursor: pointer; }
.reception-list li .btn-chat-client:hover { opacity: 0.9; }

/* ============================================
   SPLASH SCREEN
   ============================================ */
.splash-screen {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
.splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.splash-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    animation: splashFadeIn 0.5s ease;
}
@keyframes splashFadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}
.splash-logo-ring {
    position: relative;
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.splash-logo-ring::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--accent);
    border-right-color: var(--accent);
    animation: splashSpin 1.5s linear infinite;
}
.splash-logo-ring::after {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-bottom-color: rgba(196,30,58,0.4);
    border-left-color: rgba(196,30,58,0.4);
    animation: splashSpin 2.5s linear infinite reverse;
}
@keyframes splashSpin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
.splash-logo-img {
    width: 140px;
    height: 140px;
    border-radius: 28px;
    object-fit: cover;
    box-shadow: 0 0 40px rgba(196,30,58,0.3);
    animation: splashPulse 2s ease-in-out infinite;
}
@keyframes splashPulse {
    0%, 100% { box-shadow: 0 0 30px rgba(196,30,58,0.3); }
    50%       { box-shadow: 0 0 60px rgba(196,30,58,0.6); }
}
.splash-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 2px;
    margin-top: 8px;
}
.splash-sub {
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 600;
}
.splash-dots {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}
.splash-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: splashDot 1.2s ease-in-out infinite;
    opacity: 0.3;
}
.splash-dots span:nth-child(2) { animation-delay: 0.2s; }
.splash-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes splashDot {
    0%, 80%, 100% { opacity: 0.3; transform: scale(1); }
    40%           { opacity: 1;   transform: scale(1.3); }
}

/* Приветствие после сплэша */
.welcome-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: welcomeFadeIn 0.6s ease forwards;
}
.welcome-overlay.welcome-out {
    animation: welcomeFadeOut 0.5s ease forwards;
}
.welcome-overlay-text {
    font-size: clamp(20px, 5.5vw, 28px);
    font-weight: 700;
    color: #fff;
    text-align: center;
    line-height: 1.4;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 12px rgba(0,0,0,0.2);
    animation: welcomeTextPop 0.8s ease 0.2s both;
}
@keyframes welcomeFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes welcomeFadeOut {
    from { opacity: 1; }
    to   { opacity: 0; }
}
@keyframes welcomeTextPop {
    from { opacity: 0; transform: scale(0.92) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ============================================
   LANDING PAGE
   ============================================ */
.landing-wrap {
    width: 100%;
    max-width: 580px;
    margin: 0 auto;
    padding: 0 16px 40px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Hero */
.landing-hero {
    text-align: center;
    padding: 20px 0 20px;
}
.landing-logo-img {
    width: 100px;
    height: auto;
    border-radius: 20px;
    display: block;
    margin: 0 auto 14px;
    box-shadow: 0 8px 32px rgba(196,30,58,0.3);
}
.landing-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 16px 0 8px;
    letter-spacing: 0.5px;
    line-height: 1.25;
}
.landing-tagline {
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0;
}

/* About block */
.landing-about {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px var(--shadow);
}
.landing-about-lead {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-align: center;
}
.landing-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.landing-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px;
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
}
.lf-icon {
    font-size: 22px;
    flex-shrink: 0;
    line-height: 1;
    margin-top: 2px;
}
.lf-text {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
}
.lf-text strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 2px;
    font-size: 14px;
}

/* Login block */
.landing-login-block {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px var(--shadow);
}
.landing-login-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 12px;
    text-align: center;
}
.landing-login-sub {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 8px 0 0;
    text-align: center;
    line-height: 1.4;
}

/* Logged-in state */
.landing-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.landing-user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.landing-user-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
}
.landing-user-sub {
    font-size: 12px;
    color: var(--text-secondary);
}
.landing-user-info .btn-logout {
    margin-left: auto;
}
.landing-user-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Footer — всегда читаемо на синем фоне (светлая и тёмная тема) */
.landing-footer {
    text-align: center;
    padding: 16px 0 0;
    border-top: 1px solid rgba(255,255,255,0.2);
    position: relative;
    z-index: 2;
}
.landing-footer .flags,
.landing-footer .landing-corp {
    color: #ffffff !important;
    opacity: 1;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.landing-corp {
    font-size: 12px;
    margin: 8px 0 0;
    font-weight: 500;
}
.remember-me-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}
.remember-me-row input { cursor: pointer; }
.remember-me-row span { flex: 0 0 auto; }

/* ============================================
   REGISTRATION MODAL
   ============================================ */
.landing-login-sub-row {
    display: flex; align-items: center; justify-content: center;
    gap: 6px; margin-top: 10px; flex-wrap: wrap;
}
.landing-login-sub {
    font-size: 13px; color: var(--text-secondary);
}
.btn-register-link {
    background: none; border: none; color: var(--accent);
    font-size: 13px; font-weight: 700; cursor: pointer;
    padding: 0; text-decoration: underline; text-underline-offset: 3px;
}
.btn-register-link:hover { opacity: 0.8; }

.reg-modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.7);
    display: flex; align-items: center; justify-content: center;
    z-index: 8000; padding: 16px;
}
.reg-modal-card {
    background: var(--card-bg); border-radius: 20px;
    padding: 28px 24px; width: 100%; max-width: 480px;
    position: relative; max-height: 90vh; overflow-y: auto;
    animation: splashFadeIn 0.3s ease;
}
.reg-modal-close {
    position: absolute; top: 14px; right: 14px;
    background: var(--input-bg); border: none; border-radius: 50%;
    width: 32px; height: 32px; font-size: 16px; cursor: pointer;
    color: var(--text-secondary); display: flex; align-items: center; justify-content: center;
}
.reg-progress-bar {
    height: 4px; background: var(--border); border-radius: 2px; margin-bottom: 8px;
}
.reg-progress-fill {
    height: 100%; background: var(--accent); border-radius: 2px;
    transition: width 0.4s ease;
}
.reg-step-label {
    font-size: 12px; color: var(--text-secondary); text-align: center; margin-bottom: 20px;
}
.reg-step { display: none; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.reg-step.active { display: flex; }
.reg-step-icon { font-size: 48px; }
.reg-step-title { font-size: 20px; font-weight: 700; color: var(--text-primary); margin: 0; }
.reg-step-hint { font-size: 13px; color: var(--text-secondary); margin: 0; line-height: 1.4; }
.reg-input {
    width: 100%; padding: 13px 16px; border-radius: 12px;
    border: 1.5px solid var(--border); background: var(--input-bg);
    color: var(--text-primary); font-size: 16px; box-sizing: border-box;
    outline: none; transition: border-color 0.2s;
}
.reg-input:focus { border-color: var(--accent); }
.reg-textarea { min-height: 90px; resize: vertical; }
.reg-row-2 { display: flex; gap: 10px; width: 100%; }
.reg-choice-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.reg-choice-col { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.reg-choice-btn, .reg-check-btn {
    padding: 12px 20px; border-radius: 12px; border: 1.5px solid var(--border);
    background: var(--input-bg); color: var(--text-primary); font-size: 14px;
    font-weight: 600; cursor: pointer; transition: all 0.2s;
}
.reg-choice-btn:hover, .reg-check-btn:hover { border-color: var(--accent); }
.reg-choice-btn.selected, .reg-check-btn.selected {
    background: var(--accent); color: white; border-color: var(--accent);
}
.reg-multicheck { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; width: 100%; }
.reg-multicheck .reg-check-btn { padding: 8px 14px; font-size: 13px; }
.reg-nav {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 24px; gap: 12px;
}
.reg-btn-primary {
    flex: 1; padding: 14px; border-radius: 12px; border: none;
    background: var(--accent); color: white; font-size: 16px;
    font-weight: 700; cursor: pointer; transition: opacity 0.2s;
}
.reg-btn-primary:hover { opacity: 0.9; }
.reg-btn-secondary {
    padding: 14px 20px; border-radius: 12px; border: 1.5px solid var(--border);
    background: var(--input-bg); color: var(--text-secondary); font-size: 14px;
    cursor: pointer;
}

/* ============================================
   STACK BUTTON & PANEL
   ============================================ */
.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}
.btn-stack {
    padding: 6px 12px;
    border-radius: 20px;
    border: 1.5px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-stack:hover {
    background: var(--accent);
    color: white;
}

/* Stack overlay */
.stack-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 3000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}
.stack-panel {
    background: var(--card-bg);
    border-radius: 24px 24px 0 0;
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 24px 20px 40px;
    animation: stackSlideUp 0.3s ease;
}
@keyframes stackSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}
.stack-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.stack-panel-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}
.stack-close-btn {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--input-bg);
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}

/* Stack sections */
.stack-section {
    margin-bottom: 20px;
    padding: 16px;
    background: var(--input-bg);
    border-radius: 16px;
    border: 1px solid var(--border);
}
.stack-section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.stack-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}
.stack-row:last-child { border-bottom: none; }
.stack-label {
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 110px;
    flex-shrink: 0;
}
.stack-value {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
    word-break: break-word;
}
.stack-value.empty { color: var(--text-secondary); font-style: italic; font-weight: 400; }

/* Analysis tag */
.stack-analysis-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.stack-analysis-item:last-child { border-bottom: none; }
.stack-analysis-icon { font-size: 22px; }
.stack-analysis-info { flex: 1; min-width: 0; }
.stack-analysis-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.stack-analysis-date {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}
.stack-empty-hint {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    padding: 8px 0;
    font-style: italic;
}

/* Secondary stack button (Ambulatory card) */
.btn-stack-secondary {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}
.btn-stack-secondary:hover {
    background: var(--text-secondary);
    color: white;
}

/* Goals list */
.stack-goals-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.stack-goals-list li {
    padding: 7px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-primary);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.stack-goals-list li:last-child { border-bottom: none; }
.stack-goals-list li::before {
    content: "✓";
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
}

/* Stack BAD items */
.stack-bad-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.stack-bad-item:last-child { border-bottom: none; }
.stack-bad-date {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.stack-bad-text {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.5;
}
.stack-bad-hint {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
    padding: 4px 0;
}