@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== RESET & BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0a0a0f;
    --bg-card: rgba(255,255,255,0.02);
    --bg-card-hover: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.06);
    --border-light: rgba(255,255,255,0.03);
    --text: #ffffff;
    --text-muted: #888;
    --text-dim: #555;
    --text-dark: #333;
    --accent: #ff3300;
    --accent-light: #ff6633;
    --accent-glow: rgba(255,51,0,0.3);
    --accent-bg: rgba(255,51,0,0.1);
    --accent-bg-light: rgba(255,51,0,0.05);
    --gold: #ffd700;
    --silver: #c0c0c0;
    --bronze: #cd7f32;
    --green: #00ff88;
    --green-bg: rgba(0,255,136,0.1);
    --red: #ff4444;
    --red-bg: rgba(255,68,68,0.1);
    --font-display: 'Orbitron', monospace;
    --font-body: 'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255,0,0,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255,50,0,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(255,100,0,0.04) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}



a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-light); }

/* ===== UTILITY ===== */
.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.font-mono { font-family: var(--font-display); }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10,10,15,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 16pt;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--text);
}
.navbar-brand span { color: var(--accent); }

.navbar-nav {
    display: flex;
    gap: 8px;
    list-style: none;
}
.navbar-nav a {
    display: block;
    padding: 8px 16px;
    font-size: 9pt;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 6px;
    transition: all 0.2s;
}
.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--text);
    background: var(--accent-bg-light);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-user-name {
    font-size: 9pt;
    color: var(--text-muted);
}
.btn-logout {
    font-size: 8pt;
    padding: 4px 12px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-logout:hover {
    border-color: var(--red);
    color: var(--red);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 20pt;
    cursor: pointer;
}

/* ===== CHALLENGE NOTIFICATION BANNER ===== */
.challenge-banner {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 999;
    background: linear-gradient(90deg, rgba(255,51,0,0.15), rgba(20,20,30,0.98), rgba(255,51,0,0.15));
    border-bottom: 2px solid var(--accent);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(255,51,0,0.2), 0 0 40px rgba(255,51,0,0.05);
    animation: bannerSlideIn 0.4s ease-out;
}
.challenge-banner.hidden {
    display: none !important;
}
@keyframes bannerSlideIn {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.challenge-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    justify-content: center;
}
.challenge-banner-flag {
    font-size: 18pt;
    animation: flagWave 1s ease-in-out infinite alternate;
}
.challenge-banner-text {
    font-family: var(--font-display);
    font-size: 10pt;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
    text-shadow: 0 0 10px rgba(255,51,0,0.3);
}
.challenge-banner-view {
    font-family: var(--font-display);
    font-size: 10pt;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--accent);
    background: rgba(255,51,0,0.15);
    border: 1px solid var(--accent);
    padding: 6px 18px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s;
    animation: viewPulse 2s ease-in-out infinite;
}
.challenge-banner-view:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 20px rgba(255,51,0,0.4);
}
@keyframes viewPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,51,0,0.3); }
    50% { box-shadow: 0 0 15px 3px rgba(255,51,0,0.2); }
}
.challenge-banner-dismiss {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 18pt;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.2s;
    flex-shrink: 0;
}
.challenge-banner-dismiss:hover {
    color: var(--text);
}

/* ===== PAGE SECTIONS ===== */
.page { display: none; padding-top: 80px; padding-bottom: 40px; min-height: 100vh; }
.page.active { display: block; }

/* ===== LANDING PAGE - PREMIUM REDESIGN ===== */
#page-landing {
    position: relative;
    overflow: hidden;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

/* Video Background */
.landing-video-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
    overflow: hidden;
    background: url('/images/kart-bg.jpg') center center / cover no-repeat;
}
.landing-video-bg video {
    position: absolute;
    top: 50%; left: 50%;
    min-width: 100%; min-height: 100%;
    width: auto; height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}
.landing-video-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1;
}

/* Spark Particles */
.landing-sparks {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}
.spark {
    position: absolute;
    width: 3px; height: 3px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: sparkFloat 4s ease-in infinite;
    box-shadow: 0 0 6px 1px rgba(255,51,0,0.6);
}
.spark:nth-child(1)  { left: 10%; bottom: 5%;  animation-delay: 0s;    animation-duration: 3.5s; }
.spark:nth-child(2)  { left: 25%; bottom: 8%;  animation-delay: 0.5s;  animation-duration: 4s; }
.spark:nth-child(3)  { left: 40%; bottom: 3%;  animation-delay: 1s;    animation-duration: 3.2s; }
.spark:nth-child(4)  { left: 55%; bottom: 10%; animation-delay: 1.5s;  animation-duration: 4.5s; }
.spark:nth-child(5)  { left: 70%; bottom: 6%;  animation-delay: 2s;    animation-duration: 3.8s; }
.spark:nth-child(6)  { left: 85%; bottom: 4%;  animation-delay: 0.3s;  animation-duration: 4.2s; }
.spark:nth-child(7)  { left: 15%; bottom: 12%; animation-delay: 2.5s;  animation-duration: 3.6s; }
.spark:nth-child(8)  { left: 35%; bottom: 7%;  animation-delay: 1.2s;  animation-duration: 3.9s; }
.spark:nth-child(9)  { left: 60%; bottom: 2%;  animation-delay: 0.8s;  animation-duration: 4.3s; }
.spark:nth-child(10) { left: 78%; bottom: 9%;  animation-delay: 1.8s;  animation-duration: 3.4s; }
.spark:nth-child(11) { left: 48%; bottom: 5%;  animation-delay: 2.2s;  animation-duration: 4.1s; }
.spark:nth-child(12) { left: 92%; bottom: 8%;  animation-delay: 0.6s;  animation-duration: 3.7s; }

@keyframes sparkFloat {
    0%   { opacity: 0; transform: translateY(0) scale(1); }
    10%  { opacity: 1; }
    80%  { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-60vh) scale(0.3); }
}

/* Speed Lines (diagonal, sides) */
.landing-speed-lines {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}
.speed-line-diag {
    position: absolute;
    width: 2px;
    height: 120px;
    background: linear-gradient(180deg, transparent, rgba(255,51,0,0.4), transparent);
    transform: rotate(-35deg);
    animation: speedLineDiag 2s linear infinite;
    opacity: 0;
}
.speed-line-diag:nth-child(1) { left: 3%;  top: 20%; animation-delay: 0s; }
.speed-line-diag:nth-child(2) { left: 6%;  top: 40%; animation-delay: 0.6s; }
.speed-line-diag:nth-child(3) { left: 9%;  top: 60%; animation-delay: 1.2s; }
.speed-line-diag:nth-child(4) { right: 3%; top: 25%; animation-delay: 0.3s; transform: rotate(35deg); }
.speed-line-diag:nth-child(5) { right: 6%; top: 50%; animation-delay: 0.9s; transform: rotate(35deg); }
.speed-line-diag:nth-child(6) { right: 9%; top: 70%; animation-delay: 1.5s; transform: rotate(35deg); }

@keyframes speedLineDiag {
    0%   { opacity: 0; transform: rotate(-35deg) translateY(60px); }
    20%  { opacity: 0.7; }
    100% { opacity: 0; transform: rotate(-35deg) translateY(-200px); }
}
.speed-line-diag:nth-child(4),
.speed-line-diag:nth-child(5),
.speed-line-diag:nth-child(6) {
    animation-name: speedLineDiagRight;
}
@keyframes speedLineDiagRight {
    0%   { opacity: 0; transform: rotate(35deg) translateY(60px); }
    20%  { opacity: 0.7; }
    100% { opacity: 0; transform: rotate(35deg) translateY(-200px); }
}

/* Hero Section */
.landing-hero {
    position: relative;
    z-index: 3;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px 40px;
}
.landing-hero-content {
    max-width: 800px;
}

/* 3D Title */
.landing-title {
    font-family: var(--font-display);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    perspective: 500px;
}
.landing-title-line {
    display: block;
    font-size: clamp(36pt, 8vw, 72pt);
    letter-spacing: 8px;
    color: #fff;
    transform: rotateX(5deg);
    text-shadow:
        0 1px 0 #ccc,
        0 2px 0 #bbb,
        0 3px 0 #aaa,
        0 4px 0 #999,
        0 5px 0 #888,
        0 6px 0 #777,
        0 0 20px rgba(255,51,0,0.5),
        0 0 40px rgba(255,51,0,0.3),
        0 0 80px rgba(255,51,0,0.15);
    animation: titleSlideIn 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.landing-title-accent {
    color: var(--accent);
    text-shadow:
        0 1px 0 #cc2200,
        0 2px 0 #b82000,
        0 3px 0 #a51d00,
        0 4px 0 #921a00,
        0 5px 0 #801700,
        0 6px 0 #6e1400,
        0 0 30px rgba(255,51,0,0.7),
        0 0 60px rgba(255,51,0,0.4),
        0 0 100px rgba(255,51,0,0.2);
    animation-delay: 0.15s;
}

@keyframes titleSlideIn {
    0%   { opacity: 0; transform: rotateX(5deg) translateY(-60px); }
    100% { opacity: 1; transform: rotateX(5deg) translateY(0); }
}

/* Chrome Shimmer Subtitle */
.landing-subtitle {
    font-family: var(--font-display);
    font-size: clamp(12pt, 3vw, 22pt);
    font-weight: 700;
    letter-spacing: 10px;
    margin-bottom: 40px;
    background: linear-gradient(
        90deg,
        #888 0%,
        #ddd 20%,
        #fff 40%,
        #ddd 60%,
        #888 80%,
        #ddd 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: subtitleFadeIn 1s 0.4s cubic-bezier(0.22, 1, 0.36, 1) both,
               chromeShimmer 3s 1.5s linear infinite;
}

@keyframes subtitleFadeIn {
    0%   { opacity: 0; }
    100% { opacity: 1; }
}
@keyframes chromeShimmer {
    0%   { background-position: 200% center; }
    100% { background-position: -200% center; }
}

/* CTA Buttons */
.landing-cta-row {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: ctaSlideUp 0.8s 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes ctaSlideUp {
    0%   { opacity: 0; transform: translateY(40px); }
    100% { opacity: 1; transform: translateY(0); }
}

.landing-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 44px;
    font-family: var(--font-display);
    font-size: 13pt;
    font-weight: 700;
    letter-spacing: 3px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}
.landing-cta-primary {
    background: linear-gradient(135deg, var(--accent), #cc2900);
    color: #fff;
    box-shadow: 0 4px 30px rgba(255,51,0,0.4);
}
.landing-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 50px rgba(255,51,0,0.6), 0 0 30px rgba(255,51,0,0.3);
}
.landing-cta-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
}
.landing-cta-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 30px rgba(255,51,0,0.2);
    transform: translateY(-3px);
}

/* Scroll hint */
.landing-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 2s ease-in-out infinite;
}
.landing-scroll-arrow {
    width: 24px; height: 24px;
    border-right: 2px solid rgba(255,255,255,0.4);
    border-bottom: 2px solid rgba(255,255,255,0.4);
    transform: rotate(45deg);
}
@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
    50%      { transform: translateX(-50%) translateY(12px); opacity: 1; }
}

/* Stats Counter Section */
.landing-stats {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 80px 20px;
    background: linear-gradient(180deg, rgba(0,0,0,0.8), rgba(10,10,15,0.95));
}
.landing-stat {
    text-align: center;
}
.landing-stat-number {
    font-family: var(--font-display);
    font-size: clamp(28pt, 5vw, 48pt);
    font-weight: 900;
    color: var(--accent);
    text-shadow: 0 0 30px rgba(255,51,0,0.4);
    line-height: 1;
}
.landing-stat-label {
    font-family: var(--font-display);
    font-size: 9pt;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Feature Cards Section */
.landing-features {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px 80px;
    background: transparent;
}
.landing-feature-card {
    padding: 40px 30px;
    background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.landing-feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255,51,0,0.4);
    box-shadow: 0 20px 60px rgba(255,51,0,0.15), 0 0 40px rgba(255,51,0,0.08);
    background: linear-gradient(145deg, rgba(255,51,0,0.08), rgba(255,51,0,0.02));
}
.landing-feature-icon {
    font-size: 40pt;
    margin-bottom: 20px;
}
.landing-feature-title {
    font-family: var(--font-display);
    font-size: 13pt;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 12px;
    color: #fff;
}
.landing-feature-desc {
    font-size: 11pt;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Landing page footer needs z-index */
#page-landing .footer {
    position: relative;
    z-index: 3;
    background: rgba(10,10,15,0.95);
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    .spark, .speed-line-diag, .landing-title-line, .landing-subtitle,
    .landing-cta-row, .landing-scroll-hint { animation: none !important; }
    .landing-title-line { opacity: 1; transform: rotateX(5deg); }
    .landing-subtitle { opacity: 1; background-position: 0 center; }
    .landing-cta-row { opacity: 1; transform: none; }
    .landing-cta:hover { transform: none; }
    .landing-feature-card:hover { transform: none; }
}

.bg-p1 { color: var(--gold) !important; }
.bg-p2 { color: var(--silver) !important; }
.bg-p3 { color: var(--bronze) !important; }

.disclaimer {
    display: block;
    margin-top: 8px;
    font-size: 8pt;
    color: var(--text-dim);
    line-height: 1.6;
}
.disclaimer a {
    color: var(--text-dim);
    text-decoration: underline;
}
.mini-demo {
    background: linear-gradient(145deg, rgba(18,18,30,0.97), rgba(8,8,15,0.99));
    border: 1px solid rgba(255,51,0,0.25);
    border-radius: 16px;
    padding: 24px 28px;
    box-shadow: 0 12px 50px rgba(0,0,0,0.7), 0 0 40px rgba(255,51,0,0.08), inset 0 1px 0 rgba(255,255,255,0.05);
    position: relative;
    width: 420px;
    max-width: 90vw;
    backdrop-filter: blur(15px);
}
.mini-demo-label {
    position: absolute;
    top: 10px;
    right: 14px;
    font-family: var(--font-display);
    font-size: 7pt;
    letter-spacing: 3px;
    color: var(--accent);
    opacity: 0.6;
    border: 1px solid rgba(255,51,0,0.25);
    padding: 2px 8px;
    border-radius: 4px;
}
.mini-track {
    margin-bottom: 16px;
}
.mini-track-name {
    font-family: var(--font-display);
    font-size: 10pt;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--accent);
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255,51,0,0.2);
    text-shadow: 0 0 15px rgba(255,51,0,0.4);
}
.mini-race {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 4px;
    font-size: 11pt;
    border-radius: 6px;
    transition: background 0.2s;
}
.mini-race:hover {
    background: rgba(255,51,0,0.06);
}
.mini-date {
    color: var(--text-muted);
    font-size: 10pt;
    width: 60px;
}
.mini-time {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 16pt;
    color: #fff;
    flex: 1;
    text-align: center;
    text-shadow: 0 0 8px rgba(255,255,255,0.15);
}
.mini-time.pos-1 {
    color: var(--gold);
    text-shadow: 0 0 15px rgba(255,215,0,0.5), 0 0 30px rgba(255,215,0,0.2);
}
.mini-pos {
    font-family: var(--font-display);
    font-size: 11pt;
    font-weight: 900;
    width: 38px;
    text-align: right;
}
.mini-stats {
    display: flex;
    justify-content: space-around;
    font-size: 9pt;
    color: var(--text-muted);
    padding-top: 14px;
    margin-top: 6px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.mini-stats strong {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: 11pt;
    text-shadow: 0 0 10px rgba(255,51,0,0.3);
}
.btn-invite-big {
    display: inline-block;
    padding: 16px 40px;
    font-family: var(--font-display);
    font-size: 12pt;
    font-weight: 700;
    letter-spacing: 3px;
    background: linear-gradient(135deg, rgba(255,51,0,0.2), rgba(255,51,0,0.05));
    border: 2px solid rgba(255,51,0,0.4);
    color: #fff;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    text-shadow: 0 0 15px rgba(255,51,0,0.3);
}
.btn-invite-big:hover {
    background: linear-gradient(135deg, rgba(255,51,0,0.3), rgba(255,51,0,0.1));
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(255,51,0,0.2);
    transform: translateY(-2px);
}
@keyframes invitePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,51,0,0.3); }
    50% { box-shadow: 0 0 20px 5px rgba(255,51,0,0.15); }
}
.btn-invite-big {
    animation: invitePulse 3s ease-in-out infinite;
}

/* Legacy hero-title/subtitle kept for other pages if needed */

.btn {
    display: inline-block;
    padding: 14px 36px;
    font-family: var(--font-display);
    font-size: 11pt;
    font-weight: 700;
    letter-spacing: 2px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #cc2900);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255,51,0,0.5);
    color: white;
}
.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.btn-sm {
    padding: 8px 20px;
    font-size: 9pt;
    letter-spacing: 1px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    padding: 40px 0 80px;
}
.feature-card {
    padding: 30px;
    background: linear-gradient(135deg, var(--bg-card), rgba(255,255,255,0.005));
    border: 1px solid var(--border);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
}
.feature-card:hover {
    border-color: rgba(255,51,0,0.2);
    transform: translateY(-4px);
}
.feature-icon { font-size: 32pt; margin-bottom: 15px; }
.feature-title {
    font-family: var(--font-display);
    font-size: 11pt;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 1px;
}
.feature-desc {
    font-size: 10pt;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== AUTH PAGE ===== */
.auth-container {
    max-width: 400px;
    margin: 60px auto;
    padding: 40px;
    background: linear-gradient(135deg, var(--bg-card), rgba(255,255,255,0.005));
    border: 1px solid var(--border);
    border-radius: 16px;
}
.auth-title {
    font-family: var(--font-display);
    font-size: 16pt;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: 2px;
}
.auth-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 10pt;
    margin-bottom: 30px;
}

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 8pt;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.form-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 11pt;
    outline: none;
    transition: border-color 0.2s;
}
.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255,51,0,0.1);
}
.form-input::placeholder { color: var(--text-dark); }

.auth-toggle {
    text-align: center;
    margin-top: 20px;
    font-size: 10pt;
    color: var(--text-muted);
}
.auth-toggle a { cursor: pointer; }

.auth-error {
    background: var(--red-bg);
    color: var(--red);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 9pt;
    margin-bottom: 16px;
    display: none;
}

/* ===== DASHBOARD ===== */
.dashboard-header {
    text-align: center;
    padding: 20px 0;
}
.dashboard-header::after {
    content: '';
    display: block;
    width: 120px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    margin: 15px auto 0;
}
.driver-name {
    font-family: var(--font-display);
    font-size: 16pt;
    font-weight: 900;
    color: #fff;
    letter-spacing: 3px;
    text-shadow: 0 0 30px rgba(255,51,0,0.3);
}
.k1rs-badge {
    display: inline-block;
    margin-top: 10px;
    padding: 6px 20px;
    background: linear-gradient(135deg, rgba(255,51,0,0.25), rgba(255,51,0,0.08));
    border: 1px solid rgba(255,51,0,0.4);
    border-radius: 20px;
    font-family: var(--font-display);
    font-size: 12pt;
    font-weight: 700;
    color: var(--accent);
    text-shadow: 0 0 15px rgba(255,51,0,0.4);
    box-shadow: 0 2px 15px rgba(255,51,0,0.15);
}

/* Stats row */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0 30px;
    flex-wrap: wrap;
}
.stat-card {
    text-align: center;
    padding: 18px 24px;
    background: linear-gradient(145deg, rgba(255,51,0,0.08), rgba(255,51,0,0.02), rgba(0,0,0,0.4));
    border: 1px solid rgba(255,51,0,0.25);
    border-radius: 12px;
    min-width: 110px;
    flex: 1;
    max-width: 160px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255,51,0,0.2), inset 0 1px 0 rgba(255,255,255,0.08);
}
.stat-card .value {
    font-family: var(--font-display);
    font-size: 20pt;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 25px var(--accent-glow), 0 0 50px rgba(255,51,0,0.15);
}
.stat-card .label {
    font-size: 8pt;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 6px;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 4px 20px rgba(0,0,0,0.5), 0 0 10px rgba(255,51,0,0.2); border-color: rgba(255,51,0,0.25); }
    50% { box-shadow: 0 4px 30px rgba(255,51,0,0.3), 0 0 40px rgba(255,51,0,0.15); border-color: rgba(255,51,0,0.5); }
}
.best-overall {
    animation: glow 2s ease-in-out infinite;
    background: linear-gradient(145deg, rgba(255,51,0,0.15), rgba(255,51,0,0.03), rgba(0,0,0,0.4));
}

/* Dashboard actions */
.dashboard-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

/* Track section */
.track-section {
    margin: 25px 0;
    background: linear-gradient(145deg, rgba(20,20,30,0.9), rgba(10,10,15,0.95));
    border: 1px solid rgba(255,51,0,0.15);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03);
    backdrop-filter: blur(10px);
}
.track-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: linear-gradient(90deg, rgba(255,51,0,0.15), rgba(255,51,0,0.03), transparent);
    border-bottom: 1px solid rgba(255,51,0,0.12);
    flex-wrap: wrap;
    gap: 8px;
}
.track-name {
    font-family: var(--font-display);
    font-size: 13pt;
    font-weight: 700;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(255,51,0,0.3);
}
.track-record {
    font-size: 9pt;
    color: var(--text-muted);
}
.track-record span {
    color: var(--accent-light);
    font-family: var(--font-display);
    text-shadow: 0 0 10px rgba(255,51,0,0.3);
}

/* Race table */
.race-table { width: 100%; border-collapse: collapse; }
.race-table th {
    padding: 10px 16px;
    font-size: 8pt;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: left;
    border-bottom: 1px solid rgba(255,51,0,0.15);
    background: rgba(255,51,0,0.03);
}
.race-table td {
    padding: 12px 16px;
    font-size: 10pt;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: all 0.2s;
}
.race-table tr:hover td {
    background: rgba(255,51,0,0.08);
    border-bottom-color: rgba(255,51,0,0.1);
}
.race-table tr:last-child td { border-bottom: none; }

.best-time {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 13pt;
    color: #fff;
    text-shadow: 0 0 8px rgba(255,255,255,0.2);
}
.personal-best .best-time {
    color: var(--accent);
    text-shadow: 0 0 20px rgba(255,51,0,0.5), 0 0 40px rgba(255,51,0,0.2);
}
.personal-best td { background: rgba(255,51,0,0.08); }
.personal-best td:first-child::before {
    content: '\1F3C6';
    margin-right: 5px;
}

.avg-time { font-family: var(--font-display); font-size: 9pt; color: var(--text-muted); }
.position { font-family: var(--font-display); font-weight: 700; }
.pos-1 {
    color: var(--gold);
    text-shadow: 0 0 15px rgba(255,215,0,0.5);
    font-weight: 900;
}
.pos-2 {
    color: var(--silver);
    text-shadow: 0 0 10px rgba(192,192,192,0.4);
    font-weight: 700;
}
.pos-3 {
    color: var(--bronze);
    text-shadow: 0 0 10px rgba(205,127,50,0.4);
    font-weight: 700;
}
.date-col { color: var(--text-muted); font-size: 9pt; }
.laps-col { color: var(--text-dim); font-size: 9pt; font-family: var(--font-display); }

.improvement {
    font-size: 8pt;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: var(--font-display);
}
.improving { color: var(--green); background: var(--green-bg); }
.slower { color: var(--red); background: var(--red-bg); }

/* Delete race button */
.btn-delete-race {
    background: none;
    border: none;
    color: var(--text-dark);
    cursor: pointer;
    font-size: 10pt;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.2s;
}
.btn-delete-race:hover {
    color: var(--red);
    background: var(--red-bg);
}

/* ===== ADD RACE MODAL ===== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal {
    background: #12121a;
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
}
.modal-title {
    font-family: var(--font-display);
    font-size: 14pt;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 4px;
}
.modal-subtitle {
    font-size: 9pt;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}
select.form-input option {
    background: #1a1a1a;
    color: #fff;
    padding: 8px;
}

/* ===== LEADERBOARD ===== */
.leaderboard-header {
    text-align: center;
    padding: 20px 0 30px;
}
.leaderboard-title {
    font-family: var(--font-display);
    font-size: 20pt;
    font-weight: 900;
    letter-spacing: 3px;
}
.leaderboard-title span { color: var(--accent); }

.leaderboard-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 8px 16px;
    font-size: 9pt;
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: 1px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}
.filter-btn:hover,
.filter-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-bg-light);
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}
.leaderboard-table th {
    padding: 10px 16px;
    font-size: 8pt;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.leaderboard-table td {
    padding: 14px 16px;
    font-size: 10pt;
    border-bottom: 1px solid var(--border-light);
}
.leaderboard-table tr:hover td {
    background: var(--accent-bg-light);
}
.leaderboard-rank {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 14pt;
    width: 50px;
}
.leaderboard-time {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 12pt;
}
.leaderboard-you {
    background: rgba(255,51,0,0.06);
}
.leaderboard-you td { border-color: rgba(255,51,0,0.15); }

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}
.empty-icon { font-size: 48pt; margin-bottom: 16px; opacity: 0.3; }
.empty-title {
    font-family: var(--font-display);
    font-size: 14pt;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.empty-desc {
    font-size: 10pt;
    color: var(--text-dim);
    margin-bottom: 24px;
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 30px 20px;
    font-size: 8pt;
    color: var(--text-dark);
    border-top: 1px solid var(--border-light);
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    background: #1a1a25;
    border: 1px solid var(--accent);
    border-radius: 8px;
    font-size: 10pt;
    color: var(--text);
    z-index: 3000;
    transition: transform 0.3s ease;
    pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ===== PWA INSTALL BANNER ===== */
.install-banner {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(10,10,15,0.98);
    border-top: 1px solid var(--accent);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 1500;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}
.install-banner.show { transform: translateY(0); }
.install-banner-text { font-size: 10pt; color: var(--text-muted); }
.install-banner .btn-dismiss {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 16pt;
    padding: 0 4px;
}

/* ===== GOOGLE SIGN-IN BUTTON ===== */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 16px 24px;
    background: #ffffff;
    color: #3c4043;
    border: none;
    border-radius: 8px;
    font-family: 'Inter', -apple-system, sans-serif;
    font-size: 14pt;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.btn-google:hover {
    background: #f7f8f8;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    transform: translateY(-1px);
}
.btn-google:active {
    background: #e8e8e8;
    transform: translateY(0);
}
.btn-google .google-icon {
    flex-shrink: 0;
}

/* Hero Google button */
.btn-google-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: #ffffff;
    color: #3c4043;
    border: none;
    border-radius: 6px;
    font-family: var(--font-display);
    font-size: 11pt;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(255,255,255,0.15);
}
.btn-google-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255,255,255,0.25);
    background: #f1f1f1;
}
.btn-google-hero .google-icon {
    flex-shrink: 0;
}

.auth-note {
    text-align: center;
    margin-top: 20px;
    font-size: 9pt;
    color: var(--text-dim);
    line-height: 1.5;
}

/* ===== SYNC BUTTON ===== */
.btn-sync {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-sync .sync-icon {
    flex-shrink: 0;
}
.btn-sync:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== IMPORT PROGRESS ===== */
.import-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 20px;
    margin: 0 0 24px;
    background: linear-gradient(135deg, rgba(66,133,244,0.1), rgba(66,133,244,0.05));
    border: 1px solid rgba(66,133,244,0.2);
    border-radius: 10px;
}
.import-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(66,133,244,0.3);
    border-top-color: #4285F4;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.import-text {
    font-size: 10pt;
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 9pt;
    letter-spacing: 0.5px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .navbar-nav { display: none; }
    .hamburger { display: block; }
    .nav-user { display: none; }

    .navbar-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px; left: 0; right: 0;
        background: rgba(10,10,15,0.98);
        border-bottom: 1px solid var(--border);
        padding: 12px 20px;
    }

    .landing-hero { padding: 60px 20px 40px; min-height: 100vh; }
    .landing-stats { gap: 30px; padding: 50px 20px; }
    .landing-stat-number { font-size: 24pt; }
    .landing-cta { padding: 14px 28px; font-size: 10pt; letter-spacing: 2px; }
    .stats-row { gap: 10px; }
    .stat-card { min-width: 80px; padding: 10px 12px; }
    .stat-card .value { font-size: 14pt; }
    .form-row { grid-template-columns: 1fr; }
    .track-header { flex-direction: column; align-items: flex-start; }

    .race-table th:nth-child(3),
    .race-table td:nth-child(3),
    .race-table th:nth-child(4),
    .race-table td:nth-child(4) { display: none; }
}

/* ===== LEADERBOARD TRACK GROUPS ===== */
.track-header-row td {
    background: rgba(255, 51, 0, 0.1);
    border-left: 3px solid #ff3300;
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    font-weight: 700;
    color: #ff3300;
    padding: 12px 16px !important;
    letter-spacing: 1px;
}

.leaderboard-you {
    background: rgba(255, 51, 0, 0.08) !important;
}

/* ===== CHALLENGE PAGE ===== */
.challenge-page-header {
    text-align: center;
    padding: 20px 0 30px;
}
.challenge-page-title {
    font-family: var(--font-display);
    font-size: 20pt;
    font-weight: 900;
    letter-spacing: 3px;
}
.challenge-page-title span { color: var(--accent); }
.challenge-page-subtitle {
    color: var(--text-muted);
    font-size: 10pt;
    margin-top: 8px;
}

/* Search Box */
.challenge-search-box {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto 30px;
}
.challenge-search-input {
    flex: 1;
    font-size: 12pt !important;
    padding: 14px 18px !important;
}

/* Search Results */
.racer-results {
    max-width: 600px;
    margin: 0 auto 30px;
}
.search-loading, .search-error {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 10pt;
    letter-spacing: 1px;
}
.search-error { color: var(--red); }

.no-results {
    text-align: center;
    padding: 40px 20px;
}
.no-results-icon { font-size: 36pt; margin-bottom: 12px; opacity: 0.3; }
.no-results-text {
    color: var(--text-muted);
    font-size: 11pt;
    margin-bottom: 20px;
}

/* Racer Card (search result) */
.racer-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: linear-gradient(145deg, rgba(20,20,30,0.9), rgba(10,10,15,0.95));
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s;
}
.racer-card:hover {
    border-color: rgba(255,51,0,0.3);
    background: rgba(255,51,0,0.06);
    transform: translateX(4px);
}
.racer-card-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
    flex-shrink: 0;
}
.racer-card-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #cc2200);
    color: white;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 18pt;
}
.racer-card-info { flex: 1; min-width: 0; }
.racer-card-name {
    font-family: var(--font-display);
    font-size: 11pt;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.racer-card-meta {
    font-size: 9pt;
    color: var(--text-muted);
    margin-bottom: 2px;
}
.racer-card-tracks {
    font-size: 8pt;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Racer Profile / VS Comparison */
.racer-profile {
    max-width: 700px;
    margin: 0 auto 30px;
}
.profile-header {
    margin-bottom: 16px;
}
.profile-back {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 10pt;
    cursor: pointer;
    padding: 6px 0;
    transition: color 0.2s;
}
.profile-back:hover { color: var(--accent); }

.profile-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
    margin: 0 auto 8px;
    display: block;
}
.profile-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #cc2200);
    color: white;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 22pt;
}

/* VS Container */
.vs-container {
    background: linear-gradient(145deg, rgba(20,20,30,0.95), rgba(10,10,15,0.98));
    border: 1px solid rgba(255,51,0,0.2);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 60px rgba(255,51,0,0.05);
}

.vs-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 24px 20px;
    background: linear-gradient(180deg, rgba(255,51,0,0.12), transparent);
    border-bottom: 1px solid rgba(255,51,0,0.15);
    position: relative;
}
.vs-racer {
    flex: 1;
    text-align: center;
    padding: 10px;
}
.vs-racer-name {
    font-family: var(--font-display);
    font-size: 12pt;
    font-weight: 900;
    letter-spacing: 2px;
    margin-top: 4px;
}
.vs-racer-label {
    font-size: 8pt;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-top: 4px;
}
.vs-racer-you .vs-racer-name {
    color: var(--green);
    text-shadow: 0 0 15px rgba(0,255,136,0.3);
}
.vs-racer-them .vs-racer-name {
    color: var(--accent);
    text-shadow: 0 0 15px rgba(255,51,0,0.3);
}

.vs-badge {
    font-family: var(--font-display);
    font-size: 20pt;
    font-weight: 900;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), #cc2200);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 0 30px rgba(255,51,0,0.4), 0 0 60px rgba(255,51,0,0.2);
    z-index: 1;
}

.vs-body {
    padding: 0;
}
.vs-col-header {
    display: flex;
    justify-content: space-between;
    padding: 10px 20px;
    font-size: 7pt;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: var(--font-display);
    border-bottom: 1px solid var(--border);
}
.vs-col-header span { flex: 1; text-align: center; }

.vs-row {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    transition: background 0.2s;
}
.vs-row:hover { background: rgba(255,255,255,0.02); }
.vs-row:last-child { border-bottom: none; }

.vs-time {
    flex: 1;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 16pt;
    text-align: center;
}
.vs-your-time { color: var(--green); text-shadow: 0 0 10px rgba(0,255,136,0.2); }
.vs-their-time { color: var(--accent-light); text-shadow: 0 0 10px rgba(255,51,0,0.2); }

.vs-track-center {
    flex: 1.2;
    text-align: center;
    padding: 0 10px;
}
.vs-track-name {
    font-family: var(--font-display);
    font-size: 9pt;
    font-weight: 600;
    letter-spacing: 2px;
    color: #fff;
    margin-bottom: 4px;
}
.vs-diff {
    font-size: 8pt;
    font-family: var(--font-display);
    letter-spacing: 1px;
}

.vs-you-faster .vs-diff { color: var(--green); }
.vs-them-faster .vs-diff { color: var(--red); }
.vs-tied .vs-diff { color: var(--gold); }
.vs-no-data .vs-diff { color: var(--text-dim); font-family: var(--font-body); }
.vs-no-data .vs-your-time,
.vs-no-data .vs-their-time { opacity: 0.3; }

.vs-you-faster {
    background: linear-gradient(90deg, rgba(0,255,136,0.06), transparent, transparent);
    border-left: 3px solid var(--green);
}
.vs-them-faster {
    background: linear-gradient(270deg, rgba(255,51,0,0.06), transparent, transparent);
    border-right: 3px solid var(--accent);
}

.vs-empty, .vs-no-shared {
    text-align: center;
    padding: 30px;
    color: var(--text-dim);
    font-size: 10pt;
}

.challenge-btn {
    display: block;
    width: calc(100% - 40px);
    margin: 20px auto;
    padding: 14px 20px !important;
    font-size: 12pt !important;
    letter-spacing: 3px !important;
    text-align: center;
}

/* My Challenges Section */
.my-challenges-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}
.my-challenges-title {
    font-family: var(--font-display);
    font-size: 14pt;
    font-weight: 700;
    letter-spacing: 3px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-muted);
}
.my-challenges-list {
    max-width: 600px;
    margin: 0 auto;
}
.challenges-empty {
    text-align: center;
    padding: 30px;
    color: var(--text-dim);
    font-size: 10pt;
}

.challenge-card {
    background: linear-gradient(145deg, rgba(20,20,30,0.9), rgba(10,10,15,0.95));
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 10px;
}
.challenge-card-top {
    display: flex;
    align-items: center;
    gap: 14px;
}
.challenge-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
    flex-shrink: 0;
}
.challenge-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #cc2200);
    color: white;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 16pt;
}
.challenge-card-info { flex: 1; min-width: 0; }
.challenge-card-name {
    font-family: var(--font-display);
    font-size: 10pt;
    font-weight: 700;
    letter-spacing: 1px;
}
.challenge-card-detail {
    font-size: 9pt;
    color: var(--text-muted);
    margin-top: 2px;
}
.challenge-card-msg {
    font-size: 9pt;
    color: var(--text-dim);
    font-style: italic;
    margin-top: 4px;
}
.challenge-card-status {
    text-align: right;
    flex-shrink: 0;
}
.challenge-direction {
    display: block;
    font-size: 7pt;
    color: var(--text-dim);
    letter-spacing: 2px;
    font-family: var(--font-display);
    margin-bottom: 4px;
}
.challenge-status {
    font-family: var(--font-display);
    font-size: 9pt;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 3px 10px;
    border-radius: 4px;
}
.challenge-status-pending {
    color: var(--gold);
    background: rgba(255,215,0,0.1);
    border: 1px solid rgba(255,215,0,0.3);
}
.challenge-status-accepted {
    color: var(--green);
    background: var(--green-bg);
    border: 1px solid rgba(0,255,136,0.3);
}
.challenge-status-declined {
    color: var(--red);
    background: var(--red-bg);
    border: 1px solid rgba(255,68,68,0.3);
}
.challenge-status-completed {
    color: var(--silver);
    background: rgba(192,192,192,0.1);
    border: 1px solid rgba(192,192,192,0.3);
}
.challenge-actions {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    justify-content: flex-end;
}

/* Challenge page responsive */
@media (max-width: 768px) {
    .vs-header { flex-direction: row; padding: 16px 12px; }
    .vs-racer-name { font-size: 9pt; }
    .vs-badge { width: 40px; height: 40px; font-size: 14pt; }
    .vs-time { font-size: 12pt; }
    .vs-track-name { font-size: 8pt; }
    .vs-row { padding: 10px 12px; }
    .challenge-page-title { font-size: 14pt; }
    .challenge-card-top { gap: 10px; }
}

/* ===== CHALLENGE FORM ROW ===== */
.form-row {
    display: flex;
    gap: 12px;
}
.form-half {
    flex: 1;
}
@media (max-width: 480px) {
    .form-row { flex-direction: column; gap: 0; }
}

/* ===== LANDING CTA ROW 2 ===== */
.landing-cta-row-2 {
    margin-top: 12px;
}
.landing-cta-challenge {
    background: linear-gradient(135deg, #ff3300, #cc2200);
    color: #fff;
    border: none;
    padding: 14px 32px;
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}
.landing-cta-challenge:hover {
    background: linear-gradient(135deg, #ff4400, #ff3300);
    box-shadow: 0 0 30px rgba(255, 51, 0, 0.5);
    transform: translateY(-2px);
}
.landing-cta-invite {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: 14px 32px;
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}
.landing-cta-invite:hover {
    border-color: #ff3300;
    color: #ff3300;
    box-shadow: 0 0 20px rgba(255, 51, 0, 0.3);
    transform: translateY(-2px);
}

/* ===== LANDING DESCRIPTION ===== */
.landing-desc {
    color: rgba(255, 255, 255, 0.75);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    max-width: 600px;
    margin: 16px auto 0;
    text-align: center;
    animation: fadeInUp 1s ease 0.6s both;
}
@media (max-width: 480px) {
    .landing-desc { font-size: 14px; padding: 0 10px; }
}

/* ===== HERO LAP DISPLAY ===== */
.hero-lap-display {
    position: absolute;
    top: 80px;
    right: 5%;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid #ff3300;
    border-radius: 16px;
    padding: 24px 40px;
    text-align: center;
    z-index: 5;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 40px rgba(255, 51, 0, 0.3), inset 0 0 20px rgba(255, 51, 0, 0.05);
    animation: lapPulse 3s ease-in-out infinite;
}
.hero-lap-label {
    font-family: 'Orbitron', monospace;
    font-size: 12px;
    color: #ff3300;
    letter-spacing: 4px;
    margin-bottom: 8px;
}
.hero-lap-time {
    font-family: 'Orbitron', monospace;
    font-size: 48px;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 20px rgba(255, 51, 0, 0.5), 0 0 40px rgba(255, 51, 0, 0.2);
    letter-spacing: 3px;
    transition: all 0.3s ease;
}
.hero-lap-track {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    margin-top: 8px;
}
@keyframes lapPulse {
    0%, 100% { box-shadow: 0 0 40px rgba(255, 51, 0, 0.3), inset 0 0 20px rgba(255, 51, 0, 0.05); }
    50% { box-shadow: 0 0 60px rgba(255, 51, 0, 0.5), inset 0 0 30px rgba(255, 51, 0, 0.1); }
}

/* ===== HERO KART TRACK ===== */
.hero-kart-track {
    position: absolute;
    bottom: 120px;
    left: 0;
    right: 0;
    height: 4px;
    z-index: 4;
    overflow: hidden;
}
.hero-track-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(255,51,0,0.3) 20%, rgba(255,51,0,0.6) 50%, rgba(255,51,0,0.3) 80%, transparent 100%);
}
.hero-kart {
    position: absolute;
    top: -12px;
    font-size: 28px;
    animation: kartDrive 6s linear infinite;
    filter: drop-shadow(0 0 10px rgba(255, 51, 0, 0.8));
}
@keyframes kartDrive {
    0% { left: -5%; }
    100% { left: 105%; }
}

@media (max-width: 768px) {
    .hero-lap-display {
        position: relative;
        top: auto;
        right: auto;
        margin: 0 auto 20px;
        padding: 16px 24px;
    }
    .hero-lap-time {
        font-size: 36px;
    }
}
@media (max-width: 480px) {
    .hero-lap-time {
        font-size: 28px;
    }
    .hero-lap-display {
        padding: 12px 20px;
    }
}