/* ========== Global Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #34495e;
    --border-color: #bdc3c7;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: #f5f7fa;
    line-height: 1.6;
}

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

/* ========== Navbar ========== */
.navbar {
    background-color: var(--dark-color);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* ========== Sidebar & Main Content Layout ========== */
.sidebar {
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
    min-height: calc(100vh - 56px);
    position: sticky;
    top: 56px;
}

.main-content {
    padding: 20px;
}

/* Ensure Bootstrap container-fluid works with sidebar */
.container-fluid {
    padding-left: 0;
    padding-right: 0;
}

.row.no-gutters {
    margin-left: 0;
    margin-right: 0;
}

.row.no-gutters > .col,
.row.no-gutters > [class*="col-"] {
    padding-right: 0;
    padding-left: 0;
}

/* ========== Buttons ========== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: var(--light-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-success {
    background-color: var(--secondary-color);
    color: white;
}

.btn-success:hover {
    background-color: #27ae60;
}

.btn-info {
    background-color: #3498db;
    color: white;
}

.btn-info:hover {
    background-color: #2980b9;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}

/* ========== Hero Section ========== */
.hero,
.hero-section {
    background: linear-gradient(135deg, #5468ff, #7a4ed0);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero h1,
.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p,
.hero-section p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.hero-3d-wrap {
    perspective: 1200px;
    display: flex;
    justify-content: center;
}

.hero-3d-scene {
    position: relative;
    width: 320px;
    height: 260px;
    transform-style: preserve-3d;
}

.hero-card {
    position: absolute;
    width: 140px;
    height: 90px;
    transform-style: preserve-3d;
    animation: floatCard 6s ease-in-out infinite;
}

.hero-card-left { left: 0; top: 40px; transform: rotateY(-18deg) translateZ(20px); }
.hero-card-center { left: 90px; top: 10px; transform: rotateY(0deg) translateZ(40px); }
.hero-card-right { left: 180px; top: 60px; transform: rotateY(18deg) translateZ(20px); }

.hero-card-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: 12px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #fff;
    font-weight: 600;
}

.hero-card-back {
    transform: rotateY(180deg);
}

.hero-people {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}

.hero-person {
    width: 50px;
    height: 70px;
    position: relative;
}

.hero-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    border: 2px solid rgba(255,255,255,0.5);
}

.hero-coin {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #f1c40f;
    position: absolute;
    right: 6px;
    bottom: 0;
    animation: coinBounce 2.5s ease-in-out infinite;
}

.hero-glow {
    position: absolute;
    inset: -40px;
    background: radial-gradient(circle, rgba(255,255,255,0.25) 0%, rgba(255,255,255,0) 60%);
    filter: blur(10px);
    z-index: -1;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0) rotateY(0deg); }
    50% { transform: translateY(-10px) rotateY(6deg); }
}

@keyframes coinBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ========== Features Section ========== */
.features {
    padding: 3rem 0;
    background-color: white;
}

.features h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* ========== Footer ========== */
footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.checkbox-group input[type="radio"],
.checkbox-group input[type="checkbox"] {
    margin-right: 0.5rem;
    cursor: pointer;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-group input {
    flex: 1;
}

.input-group span {
    white-space: nowrap;
}

.help-text {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-top: 0.25rem;
}

.info-text {
    background-color: #ecf0f1;
    padding: 0.5rem;
    border-left: 3px solid var(--primary-color);
    font-size: 0.95rem;
}

/* ========== Badges ========== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-active {
    background-color: #d4edda;
    color: #155724;
}

.badge-pending {
    background-color: #fff3cd;
    color: #856404;
}

.badge-approved {
    background-color: #d4edda;
    color: #155724;
}

.badge-rejected {
    background-color: #f8d7da;
    color: #721c24;
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

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