/* Modern Theme for Tournament Manager */

:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2ecc71;
    --secondary-dark: #27ae60;
    --accent-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --gray-color: #95a5a6;
    --text-color: #333333;
    --light-text: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;

    /* Additional colors */
    --success-color: #2ecc71;
    --info-color: #3498db;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --muted-color: #95a5a6;
}

/* General Styles */
html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: #f9f9f9;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

.btn {
    border-radius: var(--border-radius);
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover::after {
    height: 100%;
}

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

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

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

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

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

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

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

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

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

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

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

.btn-outline-success {
    color: var(--success-color);
    border-color: var(--success-color);
}

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

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
    background-color: #ffffff;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    background-color: rgba(0, 0, 0, 0.02);
    padding: 1rem 1.5rem;
}

.card-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background-color: rgba(0, 0, 0, 0.02);
    padding: 1rem 1.5rem;
}

.card-title {
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.card-text {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.badge {
    padding: 0.5em 1em;
    font-weight: 500;
    border-radius: 30px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.7rem;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-secondary {
    background-color: var(--secondary-color) !important;
}

.bg-success {
    background-color: var(--success-color) !important;
}

.bg-info {
    background-color: var(--info-color) !important;
}

.bg-warning {
    background-color: var(--warning-color) !important;
}

.bg-danger {
    background-color: var(--danger-color) !important;
}

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

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

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

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

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

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

/* Header & Navigation */
.navbar {
    background-color: var(--dark-color) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--light-text) !important;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--light-text);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Mobile navbar fixes */
.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.2);
    outline: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--dark-color);
        padding: 1rem;
        border-radius: var(--border-radius);
        margin-top: 0.5rem;
    }

    .navbar-nav .nav-item {
        margin-bottom: 0.5rem;
    }
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
    color: var(--light-text);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Tournament Cards */
.tournament-card {
    height: 100%;
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.tournament-card .card-img-top {
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.tournament-card:hover .card-img-top {
    transform: scale(1.05);
}

.tournament-card .default-tournament-img {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

/* Tournament countdown */
.tournament-countdown {
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    font-size: 0.9rem;
    border: 1px solid rgba(52, 152, 219, 0.1);
    transition: var(--transition);
}

.tournament-countdown:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

.tournament-card .default-tournament-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.tournament-card .default-tournament-img i {
    font-size: 3rem;
    z-index: 1;
}

.tournament-card .card-body {
    padding: 1.5rem;
}

.tournament-card .card-title {
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.tournament-card .card-footer {
    background-color: transparent;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 1.5rem;
}

/* Features Section */
.features-section {
    padding: 5rem 0;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    height: 100%;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

/* Leaderboard */
.leaderboard-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.leaderboard-header {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: var(--light-text);
    padding: 1.5rem;
}

.leaderboard-table th {
    font-weight: 600;
    background-color: rgba(0, 0, 0, 0.02);
}

.leaderboard-rank {
    font-weight: 700;
    width: 60px;
    text-align: center;
}

.leaderboard-rank-1 {
    color: #FFD700; /* Gold */
}

.leaderboard-rank-2 {
    color: #C0C0C0; /* Silver */
}

.leaderboard-rank-3 {
    color: #CD7F32; /* Bronze */
}

.win-rate-bar {
    height: 8px;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.win-rate-progress {
    height: 100%;
    background-color: var(--secondary-color);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--light-text);
    padding: 3rem 0 1.5rem;
    width: 100%;
}

footer h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    display: inline-block;
}

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

footer hr {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.social-links {
    display: flex;
    gap: 0.5rem;
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

/* Profile */
.profile-header {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
    color: var(--light-text);
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.profile-avatar {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: var(--box-shadow);
}

.profile-stats {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.profile-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-section {
        padding: 2rem 0;
        text-align: center;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .card {
        margin-bottom: 1.5rem;
    }

    .feature-card {
        margin-bottom: 1.5rem;
    }

    .btn {
        padding: 0.4rem 1.2rem;
    }

    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .leaderboard-table {
        font-size: 0.8rem;
    }

    .footer {
        text-align: center;
    }

    .footer h5 {
        margin-top: 1.5rem;
    }

    .social-links {
        justify-content: center;
        margin-bottom: 1.5rem;
    }
}