/* ============================================================
   THIS IS NOT A BIKE RACE — Global Stylesheet
   Design: Dark industrial-sport aesthetic
   Fonts: Barlow Condensed (headings) + Inter (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,400;0,600;0,700;0,900;1,700&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
    --tinabr-black: #0d0d0d;
    --tinabr-dark: #141414;
    --tinabr-card: #1a1a1a;
    --tinabr-border: #2a2a2a;
    --tinabr-yellow: #f5e642;
    --tinabr-red: #e8372e;
    --tinabr-white: #f0f0f0;
    --tinabr-muted: #6b6b6b;
    --tinabr-radius: 6px;
    --tinabr-font-head: 'Barlow Condensed', sans-serif;
    --tinabr-font-body: 'Inter', sans-serif;
}

/* ── Base ──────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--tinabr-black);
    color: var(--tinabr-white);
    font-family: var(--tinabr-font-body);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.page-title, .hero-title, .section-heading {
    font-family: var(--tinabr-font-head);
    letter-spacing: 0.02em;
}

a {
    color: var(--tinabr-yellow);
}

    a:hover {
        color: #fff;
    }

/* ── App shell ─────────────────────────────────────────────── */
.tinabr-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.tinabr-main {
    flex: 1;
}

/* ── Navbar ────────────────────────────────────────────────── */
.tinabr-navbar {
    background: rgba(13, 13, 13, 0.97);
    border-bottom: 1px solid var(--tinabr-border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1030;
}

.tinabr-brand {
    font-family: var(--tinabr-font-head);
    font-weight: 900;
    font-size: 0.9rem;
    line-height: 1.1;
    color: var(--tinabr-white) !important;
    text-decoration: none;
    letter-spacing: 0.08em;
}

.brand-not {
    color: var(--tinabr-yellow);
    font-size: 1.3rem;
}

.tinabr-navbar .nav-link {
    color: rgba(240,240,240,0.75) !important;
    font-family: var(--tinabr-font-head);
    font-weight: 600;
    letter-spacing: 0.05em;
    font-size: 1rem;
    text-transform: uppercase;
    transition: color 0.2s;
}

    .tinabr-navbar .nav-link:hover,
    .tinabr-navbar .nav-link.active {
        color: var(--tinabr-yellow) !important;
    }

.tinabr-dropdown {
    background: #1e1e1e;
    border: 1px solid var(--tinabr-border);
}

    .tinabr-dropdown .dropdown-item {
        color: var(--tinabr-white);
        font-size: 0.9rem;
    }

        .tinabr-dropdown .dropdown-item:hover {
            background: var(--tinabr-border);
            color: var(--tinabr-yellow);
        }

/* ── Hero Section ──────────────────────────────────────────── */
.tinabr-hero {
    position: relative;
    background: var(--tinabr-black);
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

    .tinabr-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: repeating-linear-gradient( 0deg, transparent, transparent 60px, rgba(245,230,66,0.025) 60px, rgba(245,230,66,0.025) 61px ), repeating-linear-gradient( 90deg, transparent, transparent 60px, rgba(245,230,66,0.025) 60px, rgba(245,230,66,0.025) 61px );
    }

.min-vh-hero {
    min-height: 70vh;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(232,55,46,0.08) 0%, transparent 60%);
}

.hero-title {
    font-family: var(--tinabr-font-head);
    font-weight: 900;
    font-size: clamp(3.5rem, 9vw, 7.5rem);
    line-height: 0.9;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--tinabr-white);
}

    .hero-title .text-warning {
        color: var(--tinabr-yellow) !important;
    }

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(240,240,240,0.65);
    font-weight: 300;
    max-width: 480px;
}

/* ── Cards ─────────────────────────────────────────────────── */
.tinabr-card {
    background: var(--tinabr-card);
    border: 1px solid var(--tinabr-border);
    border-radius: var(--tinabr-radius);
}

.bike-default {
    border-color: var(--tinabr-yellow) !important;
    box-shadow: 0 0 0 1px rgba(245,230,66,0.3);
}

.podium-first {
    border-color: var(--tinabr-yellow) !important;
    transform: translateY(-8px);
}

.leaderboard-preview-card {
    background: var(--tinabr-dark);
}

.top-position {
    border-color: var(--tinabr-yellow) !important;
}

/* ── Tables ────────────────────────────────────────────────── */
.tinabr-table {
    font-size: 0.9rem;
}

    .tinabr-table thead th {
        background: rgba(0,0,0,0.3);
        color: var(--tinabr-muted);
        font-family: var(--tinabr-font-head);
        letter-spacing: 0.08em;
        text-transform: uppercase;
        font-size: 0.78rem;
        border-bottom: 1px solid var(--tinabr-border);
        padding: 12px 16px;
    }

    .tinabr-table tbody tr {
        border-bottom: 1px solid rgba(42,42,42,0.5);
        transition: background 0.15s;
    }

    .tinabr-table tbody td {
        padding: 12px 16px;
    }

.top-3-row {
    background: rgba(245,230,66,0.03);
}

/* ── Auth pages ────────────────────────────────────────────── */
.auth-page {
    background: var(--tinabr-black);
    min-height: 100vh;
}

.auth-card {
    background: var(--tinabr-card);
    border: 1px solid var(--tinabr-border);
    border-radius: 12px;
}

.divider {
    position: relative;
    text-align: center;
    display: flex;
    align-items: center;
}

    .divider::before, .divider::after {
        content: '';
        flex: 1;
        border-top: 1px solid var(--tinabr-border);
    }

.divider-text {
    padding: 0 12px;
    white-space: nowrap;
}

.social-btn {
    border-color: var(--tinabr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, border-color 0.2s;
}

    .social-btn:hover {
        background: var(--tinabr-border);
        border-color: rgba(255,255,255,0.3);
    }

a.disabled {
    pointer-events: none;
    cursor: default;
}

/* ── Form controls ─────────────────────────────────────────── */
.form-control:focus,
.form-select:focus {
    border-color: var(--tinabr-yellow) !important;
    box-shadow: 0 0 0 2px rgba(245,230,66,0.15) !important;
    outline: none;
}

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: rgba(240,240,240,0.8);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-warning {
    background: var(--tinabr-yellow);
    border-color: var(--tinabr-yellow);
    color: #111;
    font-family: var(--tinabr-font-head);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

    .btn-warning:hover {
        background: #ffe900;
        border-color: #ffe900;
        color: #111;
    }

.btn-outline-warning {
    color: var(--tinabr-yellow);
    border-color: var(--tinabr-yellow);
}

    .btn-outline-warning:hover {
        background: var(--tinabr-yellow);
        color: #111;
    }

/* ── Upload drop zone ───────────────────────────────────────── */
.upload-drop-zone {
    border: 2px dashed var(--tinabr-border);
    border-radius: var(--tinabr-radius);
    background: rgba(0,0,0,0.2);
    transition: border-color 0.2s, background 0.2s;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

    .upload-drop-zone.dragging,
    .upload-drop-zone:hover {
        border-color: var(--tinabr-yellow);
        background: rgba(245,230,66,0.04);
    }

/* ── How it works steps ─────────────────────────────────────── */
.how-step {
    padding: 24px 16px;
}

.step-number {
    font-family: var(--tinabr-font-head);
    font-weight: 900;
    font-size: 3rem;
    color: rgba(245,230,66,0.15);
    line-height: 1;
}

/* ── Avatar ─────────────────────────────────────────────────── */
.avatar-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--tinabr-yellow);
    color: #111;
    font-family: var(--tinabr-font-head);
    font-weight: 900;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge.bg-warning {
    color: #111 !important;
}

/* ── Footer ─────────────────────────────────────────────────── */
.tinabr-footer {
    background: var(--tinabr-dark);
    border-top: 1px solid var(--tinabr-border);
}

/* ── Page titles ────────────────────────────────────────────── */
.page-title {
    font-family: var(--tinabr-font-head);
    font-weight: 900;
    font-size: clamp(2rem, 5vw, 3rem);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.section-heading {
    font-family: var(--tinabr-font-head);
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2rem);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.text-muted {
    color: var(--tinabr-muted) !important;
}

/* ── Utility ────────────────────────────────────────────────── */
.font-monospace {
    font-family: 'Courier New', monospace;
}

.text-warning {
    color: var(--tinabr-yellow) !important;
}

.fw-black {
    font-weight: 900 !important;
}

.z-1 {
    z-index: 1;
}

/* ── GSAP animation init states ─────────────────────────────── */
.gsap-fadein {
    opacity: 0;
    transform: translateY(20px);
}

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--tinabr-black);
}

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

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .tinabr-brand {
        font-size: 0.75rem;
    }

    .brand-not {
        font-size: 1.1rem;
    }

    .hero-title {
        font-size: clamp(2.8rem, 12vw, 5rem);
    }
}

.join-bg-grid {
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(245,230,66,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(245,230,66,.025) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.auth-page .container {
    position: relative;
    z-index: 1;
}

/* Icon badge */
.join-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.join-icon--yellow {
    background: rgba(245,230,66,.1);
    color: var(--tinabr-yellow);
    border: 1px solid rgba(245,230,66,.25);
}

.join-icon--danger {
    background: rgba(232,55,46,.1);
    color: var(--tinabr-red);
    border: 1px solid rgba(232,55,46,.25);
}

.join-icon--muted {
    background: rgba(255,255,255,.05);
    color: var(--tinabr-muted);
    border: 1px solid var(--tinabr-border);
}

/* Success glow pulse behind trophy icon */
.join-success-burst {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

    .join-success-burst::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 130px;
        height: 130px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(245,230,66,.15) 0%, transparent 70%);
        animation: successPulse 2.2s ease-in-out infinite;
    }

@keyframes successPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.25);
        opacity: .4;
    }
}

/* Loading spinner using brand yellow */
.join-spinner {
    width: 42px;
    height: 42px;
    border: 3px solid rgba(245,230,66,.15);
    border-top-color: var(--tinabr-yellow);
    border-radius: 50%;
    animation: spin .75s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Club Invite Page ────────────────────────────────────────── */
.join-bg-grid {
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(245,230,66,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(245,230,66,.025) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.auth-page .container {
    position: relative;
    z-index: 1;
}

.join-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.join-icon--yellow {
    background: rgba(245,230,66,.1);
    color: var(--tinabr-yellow);
    border: 1px solid rgba(245,230,66,.25);
}

.join-icon--danger {
    background: rgba(232,55,46,.1);
    color: var(--tinabr-red);
    border: 1px solid rgba(232,55,46,.25);
}

.join-icon--muted {
    background: rgba(255,255,255,.05);
    color: var(--tinabr-muted);
    border: 1px solid var(--tinabr-border);
}

.join-success-burst {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

    .join-success-burst::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 130px;
        height: 130px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(245,230,66,.15) 0%, transparent 70%);
        animation: successPulse 2.2s ease-in-out infinite;
    }

@keyframes successPulse {
    0%, 100% {
        transform: translate(-50%,-50%) scale(1);
        opacity: 1;
    }

    50% {
        transform: translate(-50%,-50%) scale(1.25);
        opacity: .4;
    }
}

.join-spinner {
    width: 42px;
    height: 42px;
    border: 3px solid rgba(245,230,66,.15);
    border-top-color: var(--tinabr-yellow);
    border-radius: 50%;
    animation: spin .75s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}