/* ═══════════════════════════════════════════════════════════════════════════
   TABOO - CYBER ENCRYPTED CHAT
   Premium Dark UI with Neon Accents
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    --bg-dark: #050508;
    --bg-surface: #0a0a0f;
    --bg-card: rgba(15, 15, 25, 0.8);
    --bg-glass: rgba(20, 20, 35, 0.6);

    --border-dim: rgba(255, 255, 255, 0.05);
    --border-light: rgba(255, 255, 255, 0.1);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.35);

    --accent-green: #00ff88;
    --accent-cyan: #00d4ff;
    --accent-purple: #a855f7;
    --accent-pink: #ff0080;
    --accent-red: #ff3366;

    --glow-green: 0 0 20px rgba(0, 255, 136, 0.4);
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.4);
    --glow-purple: 0 0 20px rgba(168, 85, 247, 0.4);

    --font-display: 'Orbitron', monospace;
    --font-mono: 'JetBrains Mono', monospace;
    --font-body: 'Inter', -apple-system, sans-serif;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════════════════════════════════════════════
   ANIMATED CYBER BACKGROUND
   ═══════════════════════════════════════════════════════════════════════════ */

.cyber-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0a12 100%);
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(50px); }
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.3;
    animation: scanLine 4s linear infinite;
}

@keyframes scanLine {
    0% { top: -2px; }
    100% { top: 100%; }
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 15s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-green) 0%, transparent 70%);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
    opacity: 0.2;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.05); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   APP & SCREENS
   ═══════════════════════════════════════════════════════════════════════════ */

#app {
    height: 100%;
    position: relative;
}

.screen {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.4s var(--ease-out-expo);
}

.screen.active {
    display: flex;
    opacity: 1;
}

.screen-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    gap: 1.5rem;
    overflow-y: auto;
}

/* ═══════════════════════════════════════════════════════════════════════════
   HERO / LOGO SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.logo-wrapper {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.3) 0%, transparent 70%);
    filter: blur(20px);
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.logo-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    animation: ringPulse 3s ease-out infinite;
}

.ring-1 {
    width: 80%;
    height: 80%;
    border-color: rgba(0, 255, 136, 0.4);
    animation-delay: 0s;
}

.ring-2 {
    width: 100%;
    height: 100%;
    border-color: rgba(0, 212, 255, 0.3);
    animation-delay: 1s;
}

.ring-3 {
    width: 120%;
    height: 120%;
    border-color: rgba(168, 85, 247, 0.2);
    animation-delay: 2s;
}

@keyframes ringPulse {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.logo-core {
    position: relative;
    z-index: 1;
    width: 70px;
    height: 70px;
    animation: logoSpin 20s linear infinite;
}

@keyframes logoSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-icon {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.5));
}

.logo-sphere {
    width: 120%;
    height: 120%;
    object-fit: contain;
    filter: drop-shadow(0 0 30px rgba(168, 85, 247, 0.8))
            drop-shadow(0 0 60px rgba(168, 85, 247, 0.4));
    animation: spherePulse 3s ease-in-out infinite;
}

@keyframes spherePulse {
    0%, 100% {
        filter: drop-shadow(0 0 30px rgba(168, 85, 247, 0.8))
                drop-shadow(0 0 60px rgba(168, 85, 247, 0.4));
        transform: scale(1);
    }
    50% {
        filter: drop-shadow(0 0 40px rgba(168, 85, 247, 1))
                drop-shadow(0 0 80px rgba(168, 85, 247, 0.6));
        transform: scale(1.05);
    }
}

.brand-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: 0.3em;
    margin-left: 0.3em;
}

.glitch {
    position: relative;
    color: var(--text-primary);
    text-shadow:
        0 0 10px rgba(0, 212, 255, 0.8),
        0 0 20px rgba(0, 212, 255, 0.4);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.glitch::before {
    color: var(--accent-cyan);
    animation: glitch1 3s infinite;
}

.glitch::after {
    color: var(--accent-pink);
    animation: glitch2 3s infinite;
}

@keyframes glitch1 {
    0%, 90%, 100% { opacity: 0; transform: translate(0); }
    91% { opacity: 0.8; transform: translate(-2px, 1px); }
    93% { opacity: 0.8; transform: translate(2px, -1px); }
    95% { opacity: 0; transform: translate(0); }
}

@keyframes glitch2 {
    0%, 90%, 100% { opacity: 0; transform: translate(0); }
    92% { opacity: 0.6; transform: translate(2px, 1px); }
    94% { opacity: 0.6; transform: translate(-2px, -1px); }
    96% { opacity: 0; transform: translate(0); }
}

.brand-tagline {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    display: flex;
    gap: 0.5rem;
}

.tag-bracket {
    color: var(--accent-green);
}

.tag-text {
    color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   AUTH CARD
   ═══════════════════════════════════════════════════════════════════════════ */

.auth-card {
    width: 100%;
    max-width: 340px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--accent-green);
}

.status-indicator {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: var(--glow-green);
}

.status-indicator.pulse {
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   FORM ELEMENTS
   ═══════════════════════════════════════════════════════════════════════════ */

.form-group {
    margin-bottom: 1.25rem;
}

.input-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.label-icon {
    color: var(--accent-cyan);
    font-size: 0.8rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper input {
    width: 100%;
    padding: 1.2rem 1.25rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
}

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

.input-wrapper input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.input-wrapper.large input {
    padding: 1rem 1.25rem;
    font-size: 1rem;
}

.input-border {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
    transform: translateX(-50%);
    transition: width 0.3s var(--ease-out-expo);
}

.input-wrapper input:focus ~ .input-border {
    width: 100%;
}

.input-hint {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-family: var(--font-mono);
}

.reset-link {
    display: block;
    text-align: center;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.reset-link:hover {
    color: var(--accent-cyan);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s var(--ease-out-expo);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.error {
    border-color: var(--accent-red);
}

.toast.success {
    border-color: var(--accent-green);
}

.toast.warning {
    border-color: #f59e0b;
}

.toast.warning .toast-icon::before {
    content: '⚠️';
}

.toast-icon {
    font-size: 1.2rem;
}

.toast.error .toast-icon::before {
    content: '⚠️';
}

.toast.success .toast-icon::before {
    content: '✓';
    color: var(--accent-green);
}

.toast-msg {
    font-size: 0.95rem;
    color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   CYBER BUTTON
   ═══════════════════════════════════════════════════════════════════════════ */

.btn-cyber {
    position: relative;
    width: 100%;
    padding: 1.3rem 1.5rem;
    background: transparent;
    border: 2px solid var(--accent-cyan);
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--accent-cyan);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-cyber .btn-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.btn-cyber .btn-text {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.btn-cyber .btn-glitch {
    pointer-events: none;
    gap: 0.5rem;
}

.btn-cyber .btn-icon-left {
    width: 18px;
    height: 18px;
}

.btn-cyber .btn-icon-left svg {
    width: 100%;
    height: 100%;
}

.btn-cyber:hover {
    border-color: transparent;
    color: var(--bg-dark);
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
}

.btn-cyber:hover .btn-bg {
    opacity: 1;
}

.btn-cyber:active {
    transform: translateY(0);
}

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

.btn-cyber.primary:hover {
    box-shadow: var(--glow-green);
}

.btn-cyber.accept {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-cyber.danger {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.btn-cyber.danger .btn-bg {
    background: var(--accent-red);
}

.btn-cyber.danger:hover {
    color: #fff;
}

/* Ghost Button */
.btn-ghost {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-ghost:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-ghost.reject:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

/* Icon Buttons */
.btn-icon-glass {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon-glass svg {
    width: 20px;
    height: 20px;
}

.btn-icon-glass:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.btn-icon-glass.small {
    width: 38px;
    height: 38px;
}

.btn-icon-glass.small svg {
    width: 18px;
    height: 18px;
}

.btn-icon-glass.danger:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
    box-shadow: 0 0 20px rgba(255, 51, 102, 0.3);
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECURITY BADGE
   ═══════════════════════════════════════════════════════════════════════════ */

.security-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 50px;
}

.badge-icon {
    width: 24px;
    height: 24px;
    color: var(--accent-green);
}

.badge-icon svg {
    width: 100%;
    height: 100%;
}

.badge-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.badge-title {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--accent-green);
}

.badge-desc {
    font-size: 0.6rem;
    color: var(--text-muted);
}

/* Protocol Info */
.protocol-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
}

.proto-item {
    padding: 0.25rem 0.5rem;
    background: var(--bg-glass);
    border-radius: 4px;
}

.proto-sep {
    color: var(--border-light);
}

/* ═══════════════════════════════════════════════════════════════════════════
   PROFILE CARD
   ═══════════════════════════════════════════════════════════════════════════ */

.profile-card {
    width: 100%;
    max-width: 360px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    overflow: hidden;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-dim);
}

.profile-avatar {
    position: relative;
    width: 48px;
    height: 48px;
}

.avatar-ring {
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    animation: avatarRing 3s linear infinite;
}

@keyframes avatarRing {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.avatar-icon {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--bg-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
}

.avatar-icon svg {
    width: 24px;
    height: 24px;
}

.profile-avatar.clickable {
    cursor: pointer;
}

.profile-avatar.clickable .avatar-ring,
.profile-avatar.clickable .avatar-icon,
.profile-avatar.clickable .avatar-image,
.profile-avatar.clickable .avatar-edit {
    pointer-events: none;
}

.profile-avatar.clickable:hover .avatar-edit {
    opacity: 1;
}

.avatar-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    z-index: 1;
}

.avatar-image.hidden {
    display: none;
}

.avatar-edit {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 20px;
    height: 20px;
    background: var(--accent-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    z-index: 2;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

/* Peer avatar in chat header */
.peer-avatar-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.peer-avatar-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.peer-avatar-image.hidden {
    display: none;
}

.profile-info {
    flex: 1;
}

.profile-name {
    display: block;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.profile-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--accent-green);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-dot.online {
    background: var(--accent-green);
    box-shadow: var(--glow-green);
}

.fingerprint-section {
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.3);
}

.fp-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.fp-icon {
    width: 14px;
    height: 14px;
    color: var(--accent-purple);
}

.fp-header span {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.fp-code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    word-break: break-all;
    line-height: 1.5;
}

.fp-code.small {
    font-size: 0.75rem;
}

.fp-hint {
    display: block;
    font-size: 0.6rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════════════════
   CONNECT CARD
   ═══════════════════════════════════════════════════════════════════════════ */

.connect-card {
    width: 100%;
    max-width: 360px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--accent-green);
    border-radius: 16px;
    padding: 1.25rem;
    position: relative;
}

.connect-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    opacity: 0.1;
    z-index: -1;
}

.connect-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.connect-icon {
    width: 32px;
    height: 32px;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
}

.connect-icon svg {
    width: 18px;
    height: 18px;
}

.connect-header h3 {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--accent-green);
}

/* ═══════════════════════════════════════════════════════════════════════════
   WAITING CARD
   ═══════════════════════════════════════════════════════════════════════════ */

.waiting-card {
    width: 100%;
    max-width: 360px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--accent-cyan);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
}

.waiting-card.hidden {
    display: none;
}

.waiting-animation {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.pulse-ring {
    position: absolute;
    inset: 0;
    border: 2px solid var(--accent-cyan);
    border-radius: 50%;
    animation: waitingPulse 2s ease-out infinite;
}

.pulse-ring.delay-1 { animation-delay: 0.66s; }
.pulse-ring.delay-2 { animation-delay: 1.33s; }

@keyframes waitingPulse {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.waiting-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    color: var(--accent-cyan);
}

.waiting-icon svg {
    width: 100%;
    height: 100%;
}

.waiting-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

/* ═══════════════════════════════════════════════════════════════════════════
   CHAT SCREEN
   ═══════════════════════════════════════════════════════════════════════════ */

#screenChat {
    background: var(--bg-dark);
}

#screenChat.drag-over {
    position: relative;
}

#screenChat.drag-over::after {
    content: 'Rilascia per allegare';
    position: absolute;
    inset: 0;
    background: rgba(0, 212, 255, 0.1);
    border: 3px dashed var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--accent-cyan);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-dim);
    backdrop-filter: blur(20px);
}

.chat-peer-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.peer-avatar-small {
    position: relative;
    width: 40px;
    height: 40px;
    background: var(--bg-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
}

.peer-avatar-small svg {
    width: 20px;
    height: 20px;
}

.avatar-pulse {
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    border: 2px solid var(--accent-green);
    animation: avatarPulse 2s ease-in-out infinite;
}

@keyframes avatarPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

/* My avatar in chat header */
.my-avatar-small {
    position: relative;
    width: 36px;
    height: 36px;
    background: var(--bg-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    border: 2px solid var(--accent-purple);
    margin-left: 0.5rem;
}

.my-avatar-small .my-avatar-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.my-avatar-small .my-avatar-icon svg {
    width: 100%;
    height: 100%;
}

.my-avatar-small .my-avatar-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.my-avatar-small .my-avatar-image.hidden {
    display: none;
}

.peer-details {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.peer-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
}

.peer-status {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.65rem;
    color: var(--accent-green);
}

.peer-status.disconnected {
    color: var(--accent-red);
}

.peer-status.disconnected .status-dot {
    background: var(--accent-red);
}

.chat-actions {
    display: flex;
    gap: 0.5rem;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-banner {
    text-align: center;
    padding: 2rem 1rem;
    margin-bottom: 1rem;
}

.banner-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: var(--accent-green);
    opacity: 0.6;
}

.banner-icon svg {
    width: 100%;
    height: 100%;
}

.banner-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.banner-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Message Bubbles */
.message {
    max-width: 80%;
    animation: msgIn 0.3s var(--ease-out-back);
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(10px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.message.sent {
    align-self: flex-end;
}

.message.received {
    align-self: flex-start;
}

.message-bubble {
    padding: 0.75rem 1rem;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.message.sent .message-bubble {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    color: var(--bg-dark);
    border-bottom-right-radius: 4px;
}

.message.received .message-bubble {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 0.6rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    padding: 0 0.25rem;
}

.message.sent .message-time {
    text-align: right;
}

/* Typing Indicator */
.typing-indicator {
    padding: 0.5rem 1rem;
}

.typing-indicator.hidden {
    display: none;
}

.typing-dots {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border-radius: 16px;
    width: fit-content;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingDot 1.4s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
    0%, 60%, 100% { opacity: 0.4; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-4px); }
}

/* Chat Input */
.chat-input-area {
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-top: 1px solid var(--border-dim);
}

.message-composer {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
}

#messageInput {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-light);
    border-radius: 24px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-primary);
    resize: none;
    max-height: 120px;
    outline: none;
    transition: border-color 0.3s ease;
}

#messageInput::placeholder {
    color: var(--text-muted);
}

#messageInput:focus {
    border-color: var(--accent-cyan);
}

.btn-send {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    border: none;
    border-radius: 50%;
    color: var(--bg-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-send svg {
    width: 20px;
    height: 20px;
}

.btn-send:hover {
    transform: scale(1.05);
    box-shadow: var(--glow-green);
}

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

/* Media buttons */
.btn-attach,
.btn-voice {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-attach:hover,
.btn-voice:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

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

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

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

/* Media preview */
.media-preview {
    position: relative;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    margin-bottom: 0.5rem;
}

.media-preview.hidden {
    display: none;
}

.preview-content img,
.preview-content video {
    max-width: 200px;
    max-height: 150px;
    border-radius: 8px;
    object-fit: cover;
}

.preview-content audio {
    width: 200px;
}

.file-preview {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    min-width: 200px;
}

.file-icon {
    font-size: 1.5rem;
}

.file-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

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

/* File attachment in messages */
.file-attachment {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.file-attachment:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--accent-cyan);
}

.file-attachment .file-icon {
    font-size: 1.3rem;
}

.file-attachment .file-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.file-attachment .file-download {
    font-size: 1rem;
    opacity: 0.6;
}

.file-attachment:hover .file-download {
    opacity: 1;
}

.btn-remove-media {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: var(--accent-red);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Upload Progress */
.upload-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 0 0 12px 12px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.upload-progress.hidden {
    display: none;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 3px;
    transition: width 0.2s ease;
}

.progress-text {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    min-width: 35px;
    text-align: right;
}

/* Recording indicator */
.recording-indicator {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid var(--accent-red);
    border-radius: 12px;
    margin-bottom: 0.5rem;
}

.recording-indicator.hidden {
    display: none;
}

.recording-pulse {
    width: 12px;
    height: 12px;
    background: var(--accent-red);
    border-radius: 50%;
    animation: pulse-recording 1s infinite;
}

.recording-time {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent-red);
}

.btn-stop-recording {
    margin-left: auto;
    padding: 0.5rem 1rem;
    background: var(--accent-red);
    border: none;
    border-radius: 8px;
    color: white;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    cursor: pointer;
}

/* Message media */
.message-media {
    margin-top: 0.5rem;
    max-width: 280px;
}

.message-media img {
    width: 100%;
    border-radius: 8px;
    cursor: pointer;
}

.message-media video {
    width: 100%;
    border-radius: 8px;
}

.message-media audio {
    display: none;
}

/* Custom Audio Player - Waveform Style */
.audio-player {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(168, 85, 247, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    min-width: 220px;
}

.audio-play-btn {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.audio-play-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

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

.audio-play-btn svg {
    width: 18px;
    height: 18px;
    margin-left: 2px;
}

.audio-play-btn .icon-pause {
    display: none;
    margin-left: 0;
}

.audio-play-btn.playing .icon-play {
    display: none;
}

.audio-play-btn.playing .icon-pause {
    display: block;
}

.audio-waveform {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.waveform-bars {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 28px;
    cursor: pointer;
    position: relative;
}

.waveform-bar {
    flex: 1;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    min-width: 3px;
    transition: background 0.1s ease;
}

.waveform-bar.active {
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
}

.audio-player.playing .waveform-bar.active {
    animation: waveformPulse 0.5s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.05s);
}

@keyframes waveformPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.audio-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.audio-time {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.audio-duration {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* Sent message audio style */
.message.sent .audio-player {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.2));
    border-color: rgba(255, 255, 255, 0.15);
}

.message.sent .audio-play-btn {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.message.sent .waveform-bar.active {
    background: linear-gradient(180deg, var(--accent-green), var(--accent-cyan));
}

/* ═══════════════════════════════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════════════════════════════ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.modal-card {
    position: relative;
    width: 100%;
    max-width: 360px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 1.5rem;
    animation: modalIn 0.4s var(--ease-out-back);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-card.warning {
    border-color: var(--accent-red);
}

.modal-card.warning::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent-red), transparent);
    opacity: 0.1;
    z-index: -1;
}

.modal-header {
    text-align: center;
    margin-bottom: 1.25rem;
}

.modal-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-icon.incoming {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
}

.modal-icon.verify {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-green);
}

.modal-icon.warning {
    background: rgba(255, 51, 102, 0.1);
    color: var(--accent-red);
}

.modal-icon.browser {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(168, 85, 247, 0.2));
    font-size: 1.5rem;
}

.modal-card.browser-warning {
    border-color: var(--accent-cyan);
}

.modal-card.browser-warning::before {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
}

.browser-msg {
    text-align: center;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.browser-info {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.browser-info strong {
    color: var(--accent-cyan);
}

.modal-icon svg {
    width: 24px;
    height: 24px;
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.modal-body {
    margin-bottom: 1.5rem;
}

.requester-info {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.fp-display {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.fp-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.fp-compare {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.fp-block {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 0.75rem 1rem;
}

.fp-block.old {
    border: 1px solid rgba(255, 51, 102, 0.3);
}

.fp-block.old .fp-code {
    color: var(--accent-red);
    text-decoration: line-through;
    opacity: 0.7;
}

.fp-block.new {
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.verify-hint,
.warning-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
    text-align: center;
    margin-top: 1rem;
}

.warning-text {
    color: var(--text-secondary);
    margin-top: 0;
    margin-bottom: 1rem;
}

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

.modal-actions.centered {
    justify-content: center;
}

.modal-actions.stacked {
    flex-direction: column;
}

.modal-actions .btn-cyber,
.modal-actions .btn-ghost {
    flex: 1;
}

/* ═══════════════════════════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════════════════════════ */

.hidden {
    display: none !important;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════════════════ */

::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

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

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 480px) {
    .brand-title {
        font-size: 2rem;
    }

    .logo-wrapper {
        width: 100px;
        height: 100px;
    }

    .logo-core {
        width: 60px;
        height: 60px;
    }

    .screen-content {
        padding: 1.5rem;
    }

    .auth-card,
    .profile-card,
    .connect-card,
    .waiting-card {
        max-width: 100%;
    }

    .message {
        max-width: 88%;
    }
}

@media (max-height: 700px) {
    .logo-wrapper {
        width: 80px;
        height: 80px;
    }

    .logo-core {
        width: 50px;
        height: 50px;
    }

    .brand-title {
        font-size: 1.75rem;
    }

    .screen-content {
        gap: 1rem;
    }
}

/* iOS Safe Areas */
@supports (padding: env(safe-area-inset-bottom)) {
    .chat-input-area {
        padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
    }

    .chat-header {
        padding-top: calc(0.75rem + env(safe-area-inset-top));
    }
}

/* Prevent zoom on iOS */
input, textarea {
    font-size: 16px !important;
}

@media (min-width: 481px) {
    input, textarea {
        font-size: inherit !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECURITY METRICS PANEL
   ═══════════════════════════════════════════════════════════════════════════ */

.btn-metrics {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.btn-metrics:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

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

.metrics-dot {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: metricsPulse 2s ease-in-out infinite;
}

@keyframes metricsPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.metrics-panel {
    position: absolute;
    bottom: 80px;
    left: 1rem;
    right: 1rem;
    max-height: 70vh;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
    z-index: 100;
    overflow: hidden;
    animation: slideUp 0.3s var(--ease-out-expo);
}

.metrics-panel.hidden {
    display: none;
}

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

.metrics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-dim);
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.1), rgba(168, 85, 247, 0.1));
}

.metrics-header h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-cyan);
    letter-spacing: 0.05em;
}

.btn-close-metrics {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 51, 102, 0.2);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-close-metrics:hover {
    background: var(--accent-red);
    color: white;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding: 1rem;
    max-height: calc(70vh - 60px);
    overflow-y: auto;
}

.metric-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-dim);
    border-radius: 12px;
    padding: 0.75rem;
}

.metric-card.traffic,
.metric-card.security-events {
    grid-column: span 2;
}

.metric-label {
    font-family: var(--font-display);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.metric-value {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Key Verification */
.key-icons {
    display: flex;
    gap: 0.25rem;
}

.key-icon {
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.key-verify.verified .key-icon {
    filter: hue-rotate(0deg);
}

.key-verify.mismatch .key-icon:nth-child(1) { content: "🔴"; }
.key-verify.mismatch .key-icon:nth-child(2) { content: "🟡"; }
.key-verify.mismatch .key-icon:nth-child(3) { content: "🔵"; }

.key-status {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-green);
}

.key-status.mismatch {
    color: var(--accent-red);
}

.metric-detail {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    font-family: var(--font-mono);
}

/* Encryption */
.cipher-name {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-green);
    background: rgba(0, 255, 136, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

/* Security Dashboard - Terminal + Radar */
.metric-card.security-dashboard {
    grid-column: span 2;
    padding: 0.5rem;
}

.dashboard-split {
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
}

/* Mac OS X Aqua Terminal */
.macos-terminal {
    flex: 2;
    min-width: 320px;
    background: linear-gradient(180deg, #c8c8c8 0%, #a8a8a8 100%);
    border-radius: 8px;
    overflow: hidden;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.terminal-titlebar {
    background: linear-gradient(180deg, #e8e8e8 0%, #d0d0d0 50%, #c0c0c0 100%);
    padding: 6px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #999;
}

.terminal-buttons {
    display: flex;
    gap: 6px;
}

.term-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.2);
}

.term-btn.close {
    background: linear-gradient(180deg, #ff6b6b 0%, #cc4444 100%);
    border: 1px solid #aa3333;
}

.term-btn.minimize {
    background: linear-gradient(180deg, #ffcc44 0%, #cc9900 100%);
    border: 1px solid #aa8800;
}

.term-btn.maximize {
    background: linear-gradient(180deg, #66cc66 0%, #44aa44 100%);
    border: 1px solid #338833;
}

.terminal-title {
    font-size: 11px;
    font-weight: 600;
    color: #333;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
    flex: 1;
    text-align: center;
    font-family: 'Lucida Grande', sans-serif;
}

.terminal-body {
    background: #1a1a1a;
    padding: 12px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #00ff00;
    height: 280px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #444 #1a1a1a;
}

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

.terminal-body::-webkit-scrollbar-track {
    background: #1a1a1a;
}

.terminal-body::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 3px;
}

.term-line {
    white-space: nowrap;
    animation: termFadeIn 0.3s ease;
}

@keyframes termFadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.term-prompt {
    color: #00aaff;
    margin-right: 6px;
}

.term-ok {
    color: #00ff88;
}

.term-warn {
    color: #ffcc00;
}

.term-error {
    color: #ff4444;
}

.term-info {
    color: #888;
}

.term-highlight {
    color: #00ffff;
}

/* Radar Side */
.radar-side {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 140px;
}

#radarCanvas {
    max-width: 160px;
    max-height: 160px;
}

.radar-legend {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    margin-top: 0.25rem;
}

.radar-score {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.radar-score.warning {
    background: linear-gradient(90deg, #ffbb00, var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
}

.radar-score.danger {
    background: linear-gradient(90deg, var(--accent-red), #ffbb00);
    -webkit-background-clip: text;
    background-clip: text;
}

.radar-label {
    font-family: var(--font-display);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
}

/* Traffic Stats */
.traffic-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.traffic-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.traffic-dir {
    color: var(--text-muted);
    width: 80px;
}

.traffic-row:first-child .traffic-dir {
    color: var(--accent-cyan);
}

.traffic-row:last-child .traffic-dir {
    color: var(--accent-green);
}

.traffic-count {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 40px;
}

.traffic-bytes {
    color: var(--text-secondary);
    margin-left: auto;
}

.traffic-graph {
    background: var(--bg-surface);
    border-radius: 8px;
    padding: 0.5rem;
    overflow: hidden;
}

#trafficCanvas {
    width: 100%;
    height: 60px;
}

/* Latency */
.latency-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-green);
}

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

.latency-bar {
    height: 4px;
    background: var(--bg-surface);
    border-radius: 2px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.latency-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 20%;
}

.latency-fill.medium {
    background: linear-gradient(90deg, var(--accent-cyan), #ffbb00);
    width: 50%;
}

.latency-fill.high {
    background: linear-gradient(90deg, #ffbb00, var(--accent-red));
    width: 80%;
}

/* Session */
.session-time {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-purple);
}

/* Security Events */
.security-log {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.security-item.ok .security-icon {
    color: var(--accent-green);
}

.security-item.warning {
    background: rgba(255, 187, 0, 0.1);
    border-color: rgba(255, 187, 0, 0.3);
}

.security-item.warning .security-icon {
    color: #ffbb00;
}

.security-item.error {
    background: rgba(255, 51, 102, 0.1);
    border-color: rgba(255, 51, 102, 0.3);
}

.security-item.error .security-icon {
    color: var(--accent-red);
}

.security-text {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 400px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .metric-card.traffic,
    .metric-card.security-events {
        grid-column: span 1;
    }
}