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

:root {
    --purple-primary: #9333ea;
    --purple-dark: #7c3aed;
    --purple-light: #a855f7;
    --purple-glow: #c084fc;
    /* legacy aliases will be remapped to theme vars below */
    --black-primary: #0a0a0a;
    --black-secondary: #1a1a1a;
    --black-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b8b8b8;
    --text-muted: #6b6b6b;
    --border-color: rgba(147, 51, 234, 0.2);
    --border-hover: rgba(147, 51, 234, 0.5);
    --success-color: #10b981;
    --error-color: #ef4444;
    --gradient-primary: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a0a3a 100%);
    --gradient-purple: linear-gradient(135deg, #9333ea 0%, #7c3aed 50%, #6d28d9 100%);
    --gradient-hero: linear-gradient(135deg, #0a0a0a 0%, #1a0a2a 25%, #2a0a3a 50%, #1a0a2a 75%, #0a0a0a 100%);
    --gradient-card: linear-gradient(135deg, #1a1a1a 0%, #1a0a2a 100%);
    --shadow-glow: 0 0 20px rgba(147, 51, 234, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(147, 51, 234, 0.5);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* Theming core */
    --bg-primary: #0a0a0a;
    --bg-secondary: rgba(24, 24, 24, 0.8);
    --bg-tertiary: rgba(34, 34, 34, 0.65);
    --glass: rgba(16, 16, 16, 0.55);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 18px;

    --accent-color: #9d00ff;
    --accent-strong: #8a2be2;
    --accent-soft: #b266ff;

    --text-primary: #f7f7ff;
    --text-secondary: #c5c5d4;
    --text-muted: #7a7a86;

    --border-subtle: rgba(157, 0, 255, 0.25);
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 28px rgba(157, 0, 255, 0.35);

    --msg-bubble-in: rgba(255, 255, 255, 0.06);
    --msg-bubble-out: linear-gradient(135deg, #9d00ff, #7b25ff);
    --msg-tail: rgba(0, 0, 0, 0.2);

    --surface-elevated: rgba(22, 22, 22, 0.8);
    --stroke-strong: rgba(255, 255, 255, 0.12);
    --success: #35d49a;
    --warning: #f4a259;

    --transition-fast: 0.2s ease-out;
    /* remap legacy tokens used across codebase */
    --black-primary: var(--bg-primary);
    --black-secondary: var(--bg-secondary);
    --black-tertiary: var(--bg-tertiary);
}

body[data-theme="light"] {
    --bg-primary: #f9f8ff;
    --bg-secondary: rgba(255, 255, 255, 0.82);
    --bg-tertiary: rgba(243, 243, 250, 0.9);
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(157, 0, 255, 0.08);
    --glass-blur: 16px;

    --accent-color: #8a2be2;
    --accent-strong: #6f1bcc;
    --accent-soft: #c59cff;

    --text-primary: #0f0f14;
    --text-secondary: #2e2e35;
    --text-muted: #70707a;

    --border-subtle: rgba(138, 43, 226, 0.22);
    --shadow-soft: 0 10px 30px rgba(17, 17, 34, 0.15);
    --shadow-glow: 0 0 18px rgba(138, 43, 226, 0.2);

    --msg-bubble-in: rgba(0, 0, 0, 0.04);
    --msg-bubble-out: linear-gradient(135deg, #8a2be2, #b266ff);
    --msg-tail: rgba(0, 0, 0, 0.05);

    --surface-elevated: rgba(255, 255, 255, 0.9);
    --stroke-strong: rgba(0, 0, 0, 0.08);
    --success: #16a56b;
    --warning: #d67b2b;
    /* remap legacy tokens for light */
    --black-primary: var(--bg-primary);
    --black-secondary: var(--bg-secondary);
    --black-tertiary: var(--bg-tertiary);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(147, 51, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar:hover {
    border-bottom-color: var(--border-hover);
    box-shadow: 0 4px 20px rgba(147, 51, 234, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 10px rgba(147, 51, 234, 0.5));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:not(.btn-primary):not(.btn-secondary)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-purple);
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-primary):not(.btn-secondary):hover {
    color: var(--text-primary);
}

.nav-links a:not(.btn-primary):not(.btn-secondary):hover::after {
    width: 100%;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-purple);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-strong);
}

.btn-secondary {
    background: transparent;
    color: var(--purple-primary);
    border: 2px solid var(--purple-primary);
    position: relative;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-purple);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn-secondary:hover::before {
    width: 100%;
}

.btn-secondary:hover {
    color: white;
    border-color: var(--purple-light);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    min-height: 95vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(147, 51, 234, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 10s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeIn 1s ease-out;
    position: relative;
}

.chat-preview {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 100%;
    max-width: 450px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
    transition: all 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.chat-preview:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card), var(--shadow-glow-strong);
    transform: translateY(-5px);
}

.chat-preview-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--black-tertiary);
}

.chat-preview-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.preview-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-purple);
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

.preview-user-info {
    flex: 1;
}

.preview-name {
    height: 12px;
    width: 120px;
    background: var(--gradient-purple);
    border-radius: 6px;
    margin-bottom: 6px;
    opacity: 0.8;
}

.preview-status {
    height: 8px;
    width: 80px;
    background: var(--black-secondary);
    border-radius: 4px;
    opacity: 0.6;
}

.chat-preview-messages {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--black-primary);
    min-height: 280px;
}

.preview-message {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    animation: messageSlide 0.5s ease-out;
}

.preview-message.received {
    justify-content: flex-start;
}

.preview-message.sent {
    justify-content: flex-end;
    flex-direction: row-reverse;
}

.preview-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-purple);
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(147, 51, 234, 0.3);
}

.preview-bubble {
    padding: 0.75rem 1rem;
    border-radius: 16px;
    max-width: 70%;
    position: relative;
}

.preview-message.received .preview-bubble {
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}

.preview-message.sent .preview-bubble {
    background: var(--gradient-purple);
    border-bottom-right-radius: 4px;
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.3);
}

.preview-bubble::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    bottom: 8px;
    left: 12px;
}

.chat-preview-input {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    background: var(--black-tertiary);
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.preview-input-field {
    flex: 1;
    height: 44px;
    background: var(--black-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.preview-input-field::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    width: 120px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.preview-send-btn {
    width: 44px;
    height: 44px;
    background: var(--gradient-purple);
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.3);
}

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

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--black-primary);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-purple);
    opacity: 0.3;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 4rem;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--gradient-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-purple);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: drop-shadow(0 0 10px rgba(147, 51, 234, 0.5));
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Security Section */
.security {
    padding: 6rem 0;
    background: var(--gradient-hero);
    position: relative;
}

.security-content {
    max-width: 900px;
    margin: 0 auto;
}

.security-text h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -1px;
}

.security-text p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.security-text ul {
    list-style: none;
    padding: 0;
}

.security-text li {
    padding: 1rem 0;
    padding-left: 3rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    transition: color 0.3s ease;
}

.security-text li:hover {
    color: var(--text-primary);
}

.security-text li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.25rem;
    width: 20px;
    height: 20px;
    background: var(--gradient-purple);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(147, 51, 234, 0.5);
}

.security-text li::after {
    content: '✓';
    position: absolute;
    left: 5px;
    top: 1.25rem;
    color: white;
    font-weight: bold;
    font-size: 0.75rem;
}

/* Footer */
.footer {
    background: var(--black-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    text-align: center;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-purple);
    opacity: 0.3;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Forms */
.form-container {
    max-width: 480px;
    margin: 4rem auto;
    padding: 3rem;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    backdrop-filter: blur(10px);
}

.form-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.form-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    padding: 1rem;
    background: var(--black-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1), var(--shadow-glow);
    background: var(--black-secondary);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
}

.form-error.show {
    display: block;
}

.form-success {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
}

.form-success.show {
    display: block;
}

.form-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.form-footer a {
    color: var(--purple-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.form-footer a:hover {
    color: var(--purple-light);
    text-shadow: 0 0 10px rgba(147, 51, 234, 0.5);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    /* Modal styles */
    .modal-input, .modal-textarea {
        width: 100%;
        padding: 0.75rem;
        background: var(--black-tertiary);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        color: var(--text-primary);
        font-size: 0.9rem;
        margin-bottom: 1rem;
        font-family: inherit;
    }

    .modal-textarea {
        min-height: 100px;
        resize: vertical;
    }

    .modal-input:focus, .modal-textarea:focus {
        outline: none;
        border-color: var(--purple-primary);
        box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
    }

    .modal-actions {
        display: flex;
        gap: 0.75rem;
        justify-content: flex-end;
    }

    .reaction-btn {
        background: var(--black-tertiary);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        padding: 0.25rem 0.5rem;
        margin: 0.25rem;
        cursor: pointer;
        font-size: 0.85rem;
        transition: all 0.2s;
    }

    .reaction-btn:hover {
        background: var(--purple-primary);
        transform: scale(1.1);
    }

    .reaction-btn.add-reaction {
        opacity: 0.6;
    }

    .message-reactions {
        display: flex;
        flex-wrap: wrap;
        margin-top: 0.5rem;
        gap: 0.25rem;
    }

    .message-meta {
        display: flex;
        gap: 0.5rem;
        align-items: center;
        margin-top: 0.25rem;
    }

    .message-views {
        font-size: 0.75rem;
        color: var(--text-muted);
    }

    .nav-links a:not(.btn-primary):not(.btn-secondary) {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Modal styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
}

.close-btn:hover {
    background: var(--black-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-input, .modal-textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-family: inherit;
    box-sizing: border-box;
}

.modal-textarea {
    min-height: 100px;
    resize: vertical;
}

.modal-input:focus, .modal-textarea:focus {
    outline: none;
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* Friend status styles */
.friend-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.friend-status.online {
    color: var(--success-color);
}

.friend-status.offline {
    color: var(--text-muted);
}

/* Контекстное меню для сообщений */
.message-context-menu {
    position: fixed;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.5rem 0;
    min-width: 200px;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    z-index: 10000;
    animation: contextMenuSlide 0.2s ease;
}

@keyframes contextMenuSlide {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.context-menu-item:hover {
    background: var(--black-tertiary);
    color: var(--purple-primary);
}

.context-menu-item span:first-child {
    font-size: 1.2rem;
}

.reaction-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
    padding: 1rem 0;
}

.reaction-item {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.reaction-item:hover {
    background: var(--purple-primary);
    border-color: var(--purple-primary);
    transform: scale(1.1);
}

.message.pinned {
    border-left: 3px solid var(--purple-primary);
    background: rgba(147, 51, 234, 0.05);
}

.message-pin-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--purple-primary);
    margin-left: 0.5rem;
}

/* Голосовые сообщения */
.message-voice {
    margin-top: 0.5rem;
}

.voice-player {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: rgba(147, 51, 234, 0.1);
    border-radius: 12px;
    min-width: 250px;
}

.voice-play-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-purple);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(147, 51, 234, 0.3);
}

.voice-play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.5);
}

.voice-play-btn svg {
    width: 18px;
    height: 18px;
}

.voice-waveform-container {
    flex: 1;
    display: flex;
    align-items: center;
    min-height: 40px;
}

.voice-waveform {
    width: 100%;
    height: 40px;
    display: block;
}

.voice-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    min-width: 60px;
    text-align: right;
}

.voice-duration {
    font-weight: 600;
    color: var(--purple-primary);
    font-family: 'Courier New', monospace;
}

.voice-size {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.voice-forward-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s;
    flex-shrink: 0;
}

.voice-forward-btn:hover {
    background: var(--black-tertiary);
    border-color: var(--purple-primary);
    color: var(--purple-primary);
}

.voice-forward-btn svg {
    width: 12px;
    height: 12px;
}

/* Feature Section Styles */
.feature-section {
    padding: 6rem 0;
    background: var(--black-primary);
    position: relative;
}

.feature-section.alt {
    background: var(--gradient-hero);
}

.feature-section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.feature-section-content.reverse {
    grid-template-columns: 1fr 1fr;
}

.feature-section-content.reverse > .feature-section-visual {
    order: -1;
}

.section-title-left {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.section-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.feature-item i {
    font-size: 2rem;
    color: var(--purple-primary);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-subsection {
    margin-top: 2.5rem;
}

.subsection-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-sublist {
    list-style: none;
    padding: 0;
}

.feature-sublist li {
    padding: 0.75rem 0;
    padding-left: 2.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-sublist li i {
    position: absolute;
    left: 0;
    top: 0.9rem;
    color: var(--purple-primary);
    font-size: 0.9rem;
}

/* Shop Visual */
.shop-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.shop-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--black-tertiary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.2rem;
    font-weight: 700;
}

.shop-items {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.shop-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.shop-item:hover {
    border-color: var(--border-hover);
    transform: translateX(5px);
}

.shop-item-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-purple);
    border-radius: 12px;
}

.shop-item-info {
    flex: 1;
}

.shop-item-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.shop-item-price {
    color: var(--purple-primary);
    font-weight: 700;
}

.shop-buy-btn {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-purple);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.shop-buy-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Integrations Visual */
.integrations-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.integrations-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--black-tertiary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.2rem;
    font-weight: 700;
}

.integrations-list {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.integration-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.integration-item:hover {
    border-color: var(--border-hover);
    transform: translateX(5px);
}

.integration-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-purple);
    border-radius: 12px;
    font-size: 1.5rem;
}

.integration-name {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.integration-connect {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--purple-primary);
    border-radius: 8px;
    color: var(--purple-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.integration-connect:hover {
    background: var(--gradient-purple);
    color: white;
    transform: translateY(-2px);
}

/* Bot Builder Visual */
.builder-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    min-height: 400px;
}

.builder-canvas {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.builder-node {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--black-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    min-width: 200px;
    transition: all 0.3s ease;
}

.builder-node:hover {
    border-color: var(--purple-primary);
    transform: scale(1.05);
}

.builder-node i {
    color: var(--purple-primary);
    font-size: 1.2rem;
}

.builder-node span {
    color: var(--text-primary);
    font-weight: 600;
}

.builder-connection {
    width: 2px;
    height: 30px;
    background: var(--gradient-purple);
    opacity: 0.5;
}

/* Console Visual */
.console-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.console-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--black-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.console-header i {
    color: var(--purple-primary);
    margin-right: 0.75rem;
}

.console-header span {
    flex: 1;
    font-weight: 700;
    font-size: 1.2rem;
}

.console-controls {
    display: flex;
    gap: 0.5rem;
}

.console-btn {
    width: 36px;
    height: 36px;
    background: var(--black-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.console-btn:hover {
    background: var(--purple-primary);
    border-color: var(--purple-primary);
    color: white;
}

.console-content {
    padding: 1.5rem;
    background: var(--black-primary);
    min-height: 300px;
}

.console-log {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

.log-entry {
    display: flex;
    gap: 1rem;
    padding: 0.5rem;
    border-radius: 6px;
    background: var(--black-tertiary);
}

.log-time {
    color: var(--text-muted);
    min-width: 70px;
}

.log-type {
    font-weight: 700;
    min-width: 80px;
}

.log-entry.update .log-type {
    color: var(--purple-primary);
}

.log-entry.request .log-type {
    color: #3b82f6;
}

.log-entry.response .log-type {
    color: var(--success-color);
}

.log-text {
    color: var(--text-secondary);
    flex: 1;
}

.console-input {
    display: flex;
    gap: 0.5rem;
}

.console-input input {
    flex: 1;
    padding: 0.75rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
}

.console-input input:focus {
    outline: none;
    border-color: var(--purple-primary);
}

.console-send-btn {
    width: 44px;
    height: 44px;
    background: var(--gradient-purple);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.console-send-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Triggers Visual */
.triggers-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.trigger-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.trigger-item:hover {
    border-color: var(--border-hover);
    transform: translateX(5px);
}

.trigger-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-purple);
    border-radius: 12px;
    color: white;
    font-size: 1.5rem;
}

.trigger-content {
    flex: 1;
}

.trigger-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.trigger-action {
    color: var(--purple-primary);
    font-size: 0.9rem;
}

/* API Features */
.api-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.api-category {
    padding: 1.5rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.api-category:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
}

.api-category h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.api-category h3 i {
    color: var(--purple-primary);
}

.api-category p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Visual Chat Message Styles */
.visual-chat-message {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    margin-bottom: 1rem;
}

.visual-chat-message.sent {
    flex-direction: row-reverse;
}

.visual-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-purple);
    flex-shrink: 0;
}

.visual-bubble {
    padding: 0.75rem 1rem;
    border-radius: 16px;
    max-width: 70%;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
}

.visual-bubble.sent {
    background: var(--gradient-purple);
}

.visual-bubble.reply {
    border-left: 3px solid var(--purple-primary);
}

.visual-bubble p {
    margin: 0;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.visual-file {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.reply-line {
    height: 2px;
    background: var(--purple-primary);
    margin-bottom: 0.5rem;
    border-radius: 2px;
}

.reply-to {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-style: italic;
}

/* Call Visual Styles */
.call-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.call-participant {
    text-align: center;
}

.call-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-purple);
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-glow);
}

.call-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.call-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--black-tertiary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.call-btn:hover {
    background: var(--purple-primary);
    border-color: var(--purple-primary);
    transform: scale(1.1);
}

.call-info {
    text-align: center;
}

.call-timer {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--purple-primary);
}

/* Group Visual Styles */
.group-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.group-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--black-tertiary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.group-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-purple);
}

.group-info {
    flex: 1;
}

.group-name {
    height: 16px;
    width: 150px;
    background: var(--gradient-purple);
    border-radius: 8px;
    margin-bottom: 8px;
}

.group-members {
    height: 12px;
    width: 100px;
    background: var(--black-secondary);
    border-radius: 6px;
}

.group-admin-badge {
    color: var(--purple-primary);
    font-size: 1.5rem;
}

.group-messages {
    padding: 1.5rem;
    background: var(--black-primary);
}

.group-message {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.group-message.pinned {
    border-left: 3px solid var(--purple-primary);
    padding-left: 0.75rem;
}

.group-msg-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-purple);
    flex-shrink: 0;
}

.group-msg-content {
    flex: 1;
}

.group-msg-author {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--purple-primary);
    margin-bottom: 0.25rem;
}

.group-msg-bubble {
    padding: 0.5rem 0.75rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* Channel Visual Styles */
.channel-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.channel-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--black-tertiary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.channel-icon {
    font-size: 2rem;
}

.channel-name {
    font-weight: 700;
    color: var(--text-primary);
}

.channel-post {
    padding: 1.5rem;
    background: var(--black-primary);
}

.channel-post-content {
    margin-bottom: 1rem;
}

.channel-post-content p {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
}

.channel-post-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.post-views {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-reactions {
    display: flex;
    gap: 0.75rem;
}

.reaction {
    padding: 0.25rem 0.75rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

/* Favorites Visual Styles */
.favorites-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.favorites-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--black-tertiary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.2rem;
    font-weight: 700;
}

.favorites-header i {
    color: var(--purple-primary);
}

.favorites-list {
    padding: 1.5rem;
}

.favorite-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--black-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.favorite-item:hover {
    border-color: var(--border-hover);
    transform: translateX(5px);
}

.favorite-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-purple);
    border-radius: 12px;
}

.favorite-content {
    flex: 1;
}

.favorite-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.favorite-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* API Code Block Styles */
.api-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.api-code-block {
    background: var(--black-primary);
}

.code-header {
    padding: 1rem 1.5rem;
    background: var(--black-tertiary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
}

.code-dot:nth-child(1) {
    background: #ef4444;
}

.code-dot:nth-child(2) {
    background: #f59e0b;
}

.code-dot:nth-child(3) {
    background: #10b981;
}

.code-title {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.code-content {
    padding: 1.5rem;
    overflow-x: auto;
}

.code-content pre {
    margin: 0;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
}

.code-content code {
    color: var(--text-primary);
}

/* Responsive for new sections */
@media (max-width: 768px) {
    .feature-section-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .feature-section-content.reverse > .feature-section-visual {
        order: 0;
    }
    
    .section-title-left {
        font-size: 2rem;
    }
    
    .api-features {
        grid-template-columns: 1fr;
    }
    
    .nav-links a:not(.btn-primary):not(.btn-secondary) {
        display: none;
    }
}