:root {
    --primary: #22c55e; --primary-dark: #16a34a; --primary-light: #dcfce7;
    --bg: #f1f5f9; --white: #ffffff; --text: #0f172a;
    --text-light: #64748b; --border: #e2e8f0;
    --radius: 16px; --shadow: 0 4px 12px rgba(0,0,0,0.04);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Inter', sans-serif; background:var(--bg); color:var(--text); line-height:1.5; }

/* Navbar */
.navbar { background:var(--white); padding:10px 20px; display:flex; justify-content:space-between; align-items:center; position:sticky; top:0; z-index:100; border-bottom:1px solid var(--border); }
.logo-container { display:flex; align-items:center; gap:6px; }
.logo-icon { font-size:20px; color:var(--white); background:var(--primary); padding:4px; border-radius:6px; }
.brand-name { font-weight:700; font-size:18px; color:var(--text); }
.nav-links { display:flex; gap:20px; }
.nav-links a { text-decoration:none; color:var(--text-light); font-weight:500; font-size:13px; cursor:pointer; transition:0.2s; }
.nav-links a:hover, .nav-links a.active { color:var(--primary); }
.auth-buttons { display:flex; gap:8px; }
.btn-outline-small { background:transparent; border:1px solid var(--border); padding:6px 14px; border-radius:20px; color:var(--text); font-weight:500; font-size:12px; cursor:pointer; }
.btn-primary-small { background:var(--primary); border:none; padding:6px 14px; border-radius:20px; color:var(--white); font-weight:500; font-size:12px; cursor:pointer; }
.hamburger-btn { display:none; background:transparent; border:none; font-size:20px; color:var(--text); cursor:pointer; }

/* Container */
.container { max-width:1200px; margin:0 auto; padding:20px 16px 80px; }
.tab-pane { display:none; animation:fadeUp 0.3s ease; }
.tab-pane.active { display:block; }
@keyframes fadeUp { from { opacity:0; transform:translateY(4px); } to { opacity:1; transform:translateY(0); } }

/* Hero (Dashboard) */
.hero-grid { display:grid; grid-template-columns:1fr 1fr; gap:30px; margin-bottom:24px; }
.tag-badge { display:inline-block; background:var(--primary-light); color:var(--primary-dark); padding:3px 10px; border-radius:20px; font-size:11px; font-weight:600; margin-bottom:8px; }
.headline { font-size:32px; font-weight:800; line-height:1.1; margin-bottom:8px; }
.highlight-green { color:var(--primary); }
.description { font-size:14px; color:var(--text-light); margin-bottom:16px; max-width:480px; }
.action-buttons { display:flex; gap:8px; margin-bottom:16px; }
.btn-primary { background:var(--primary); color:var(--white); border:none; padding:10px 20px; border-radius:30px; font-weight:600; font-size:13px; cursor:pointer; transition:0.2s; display:flex; align-items:center; gap:6px; }
.btn-primary:hover { background:var(--primary-dark); transform:translateY(-1px); }
.btn-secondary { background:var(--white); color:var(--text); border:1px solid var(--border); padding:10px 20px; border-radius:30px; font-weight:600; font-size:13px; cursor:pointer; }
.feature-checks { display:flex; gap:16px; flex-wrap:wrap; color:var(--text-light); font-size:12px; font-weight:500; }
.feature-checks i { color:var(--primary); margin-right:4px; }

.hero-card { background:var(--white); padding:20px; border-radius:var(--radius); box-shadow:var(--shadow); border:1px solid var(--border); }
.card-label { color:var(--text-light); font-size:12px; font-weight:500; margin-bottom:4px; }
.coin-display { display:flex; align-items:baseline; gap:8px; margin-bottom:4px; }
.coin-display h2 { font-size:28px; font-weight:700; margin:0; }
.coin-badge { background:#fef3c7; color:#92400e; padding:2px 8px; border-radius:12px; font-size:10px; font-weight:600; }
.growth-badge { display:inline-block; background:var(--primary-light); color:var(--primary-dark); padding:2px 8px; border-radius:12px; font-size:11px; font-weight:600; margin-bottom:12px; }
.mini-chart { width:100%; height:40px; }

/* Stats, Steps */
.stats-bar { display:grid; grid-template-columns:repeat(4, 1fr); gap:16px; margin-bottom:40px; }
.stat-big-card { background:var(--white); padding:20px; border-radius:var(--radius); text-align:center; border:1px solid var(--border); box-shadow:var(--shadow); }
.stat-big-icon { font-size:24px; color:#3b82f6; background:#eff6ff; width:48px; height:48px; line-height:48px; border-radius:12px; margin:0 auto 10px; }
.stat-big-card h3 { font-size:24px; font-weight:700; margin:0 0 4px; }
.stat-big-card p { font-size:12px; color:var(--text-light); margin:0; }

.section-header { text-align:center; margin-bottom:20px; }
.section-header h2 { font-size:24px; font-weight:700; margin-bottom:4px; }
.section-header p { color:var(--text-light); font-size:13px; }
.steps-grid { display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; margin-bottom:40px; }
.step-card { background:var(--white); padding:24px 16px; border-radius:var(--radius); text-align:center; border:1px solid var(--border); box-shadow:var(--shadow); }
.step-number { background:var(--primary); color:var(--white); width:24px; height:24px; border-radius:50%; line-height:24px; font-weight:700; font-size:12px; margin:0 auto 10px; }
.step-icon { font-size:24px; color:#2a9d8f; margin-bottom:4px; }
.step-card h4 { font-size:14px; font-weight:600; margin-bottom:4px; }
.step-card p { font-size:12px; color:var(--text-light); margin:0; }

/* Rewards */
.rewards-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:16px; margin-top:20px; }
.reward-card { background:var(--white); padding:16px; border-radius:var(--radius); text-align:center; border:1px solid var(--border); cursor:pointer; transition:0.2s; box-shadow:var(--shadow); }
.reward-card:hover { transform:translateY(-2px); }
.reward-img { font-size:28px; color:var(--primary); margin-bottom:6px; }
.reward-card h4 { font-size:14px; font-weight:600; margin-bottom:2px; }
.reward-price { font-size:12px; color:var(--text-light); }
.reward-price span { display:block; font-size:10px; }

/* Leaderboard */
.leaderboard-wrapper { margin-bottom:40px; }
.leaderboard-card { background:var(--white); border-radius:var(--radius); border:1px solid var(--border); overflow:hidden; box-shadow:var(--shadow); }
.leaderboard-table { width:100%; border-collapse:collapse; }
.leaderboard-table th { background:#f8fafc; text-align:left; padding:10px 16px; font-size:11px; font-weight:600; color:var(--text-light); text-transform:uppercase; border-bottom:1px solid var(--border); }
.leaderboard-table td { padding:12px 16px; font-size:13px; border-bottom:1px solid var(--border); }

/* Input Card (Untuk Halaman Upload) */
.input-card { background:var(--white); padding:24px; border-radius:var(--radius); box-shadow:var(--shadow); border:1px solid var(--border); }
.upload-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.badge-reward { background:#fef3c7; color:#92400e; padding:2px 10px; border-radius:20px; font-size:11px; font-weight:600; }
.input-card textarea { width:100%; padding:12px; border:1px solid var(--border); border-radius:8px; resize:vertical; min-height:120px; font-family:inherit; font-size:14px; margin:8px 0 12px; background:#fafbfc; }
.input-card textarea:focus { outline:none; border-color:var(--primary); background:white; }
.full-width { width:100%; justify-content:center; border-radius:10px; padding:10px; }

/* Modals */
.modal-overlay { position:fixed; inset:0; background:rgba(15,23,42,0.6); backdrop-filter:blur(4px); display:flex; align-items:center; justify-content:center; z-index:500; }
.modal-content { background:var(--white); padding:24px; border-radius:20px; width:90%; max-width:380px; position:relative; text-align:center; box-shadow:0 10px 40px rgba(0,0,0,0.1); }
.close-modal-btn { position:absolute; top:12px; right:16px; background:transparent; border:none; font-size:18px; color:var(--text-light); cursor:pointer; }
.modal-content input { width:100%; padding:10px; margin:6px 0; border:1px solid var(--border); border-radius:8px; font-family:inherit; font-size:13px; }

/* Sidebar Mobile */
.sidebar-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.6); z-index: 200; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
.sidebar-overlay.open { opacity: 1; visibility: visible; }
.sidebar-content { position: absolute; top: 0; left: 0; height: 100%; width: 80%; max-width: 280px; background: var(--white); padding: 20px; transform: translateX(-100%); transition: transform 0.3s ease; box-shadow: 4px 0 20px rgba(0,0,0,0.1); }
.sidebar-overlay.open .sidebar-content { transform: translateX(0%); }
.sidebar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; padding-bottom: 16px; border-bottom: 1px solid #e2e8f0; }
.close-btn { background: transparent; border: none; font-size: 24px; color: var(--text); cursor: pointer; padding: 4px; transition: 0.2s; }
.close-btn:hover { color: #ef4444; transform: scale(1.1); }
.sidebar-menu { list-style: none; padding: 0; margin: 0; }
.sidebar-menu .menu-item { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 10px; cursor: pointer; color: var(--text-light); font-weight: 500; font-size: 15px; transition: 0.2s; margin-bottom: 4px; }
.sidebar-menu .menu-item:hover, .sidebar-menu .menu-item.active { background: var(--primary-light); color: var(--primary); }
.sidebar-menu .menu-item i { width: 20px; text-align: center; }

.floating-wa { position:fixed; bottom:20px; right:20px; background:#25d366; color:white; width:50px; height:50px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:26px; text-decoration:none; z-index:50; box-shadow:0 4px 10px rgba(37,211,102,0.3); }

@media (max-width:1024px) { .hero-grid { grid-template-columns:1fr; } .rewards-grid { grid-template-columns:repeat(2, 1fr); } }
@media (max-width:768px) { 
    .hamburger-btn { display:block; } 
    .nav-links, .auth-buttons, #desktop-user { display:none !important; } 
    .stats-bar { grid-template-columns:repeat(2, 1fr); gap:10px; } 
    .steps-grid { grid-template-columns:1fr; gap:12px; } 
    .rewards-grid { grid-template-columns:1fr 1fr; gap:10px; } 
    .container { padding:12px 12px 80px; } 
    .headline { font-size:24px; } 
    .description { font-size:13px; }
}