/**
 * MT4 Trading Contest - Frontend Styles
 */

/* ==========================================================================
   Variables
   ========================================================================== */
:root {
    --mt4-primary: #667eea;
    --mt4-primary-dark: #5a67d8;
    --mt4-secondary: #764ba2;
    --mt4-success: #27ae60;
    --mt4-danger: #e74c3c;
    --mt4-warning: #f39c12;
    --mt4-info: #3498db;
    --mt4-gold: #ffd700;
    --mt4-silver: #c0c0c0;
    --mt4-bronze: #cd7f32;
    --mt4-text: #2c3e50;
    --mt4-text-light: #7f8c8d;
    --mt4-border: #e0e0e0;
    --mt4-bg: #f8f9fa;
    --mt4-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Registration Form
   ========================================================================== */
.mt4-registration-wrapper {
    max-width: 600px;
    margin: 30px auto;
    padding: 0 15px;
}

.mt4-registration-form {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--mt4-shadow);
    overflow: hidden;
}

.mt4-registration-form .form-header {
    background: linear-gradient(135deg, var(--mt4-primary) 0%, var(--mt4-secondary) 100%);
    color: #fff;
    padding: 30px;
    text-align: center;
}

.mt4-registration-form .form-header h2 {
    margin: 0 0 10px;
    font-size: 28px;
}

.mt4-registration-form .contest-dates {
    margin: 0;
    opacity: 0.9;
}

.mt4-registration-form form {
    padding: 30px;
}

.form-section {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--mt4-border);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h3 {
    margin: 0 0 20px;
    color: var(--mt4-text);
    font-size: 18px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--mt4-text);
}

.form-group .required {
    color: var(--mt4-danger);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--mt4-border);
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--mt4-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-help {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--mt4-text-light);
}

.form-help.warning {
    color: var(--mt4-warning);
}

.password-input-wrapper {
    position: relative;
}

.password-input-wrapper input {
    padding-right: 50px;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: normal;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.verify-account-section {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--mt4-bg);
    border-radius: 8px;
}

#verify-status {
    font-size: 14px;
}

#verify-status.success {
    color: var(--mt4-success);
}

#verify-status.error {
    color: var(--mt4-danger);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--mt4-primary) 0%, var(--mt4-secondary) 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--mt4-bg);
    color: var(--mt4-text);
    border: 2px solid var(--mt4-border);
}

.btn-secondary:hover {
    background: #fff;
    border-color: var(--mt4-primary);
}

.btn-large {
    padding: 15px 30px;
    font-size: 17px;
}

.form-submit {
    margin-top: 25px;
}

.form-submit .btn {
    width: 100%;
}

.mt4-message {
    padding: 15px 20px;
    border-radius: 8px;
    margin: 0 30px 20px;
}

.mt4-message-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.mt4-message-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ==========================================================================
   Leaderboard
   ========================================================================== */
.mt4-leaderboard-wrapper {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 15px;
}

.leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.leaderboard-header h2 {
    margin: 0;
    font-size: 28px;
    color: var(--mt4-text);
}

.leaderboard-meta {
    display: flex;
    gap: 20px;
    color: var(--mt4-text-light);
    font-size: 14px;
}

.leaderboard-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-select,
.filter-input {
    padding: 10px 15px;
    border: 2px solid var(--mt4-border);
    border-radius: 8px;
    font-size: 14px;
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--mt4-primary);
}

.btn-small {
    padding: 10px 16px;
    font-size: 14px;
}

/* Top 3 Spotlight */
.top-3-spotlight {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.spotlight-card {
    background: #fff;
    border-radius: 16px;
    padding: 25px 30px;
    text-align: center;
    box-shadow: var(--mt4-shadow);
    min-width: 200px;
    transition: transform 0.3s;
}

.spotlight-card:hover {
    transform: translateY(-5px);
}

.spotlight-card.rank-1 {
    background: linear-gradient(135deg, #fff9e6 0%, #fff 100%);
    border: 2px solid var(--mt4-gold);
    order: 2;
    transform: scale(1.1);
}

.spotlight-card.rank-2 {
    background: linear-gradient(135deg, #f5f5f5 0%, #fff 100%);
    border: 2px solid var(--mt4-silver);
    order: 1;
}

.spotlight-card.rank-3 {
    background: linear-gradient(135deg, #fdf5eb 0%, #fff 100%);
    border: 2px solid var(--mt4-bronze);
    order: 3;
}

.spotlight-medal {
    font-size: 40px;
    margin-bottom: 10px;
}

.spotlight-rank {
    font-size: 14px;
    color: var(--mt4-text-light);
    margin-bottom: 5px;
}

.spotlight-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--mt4-text);
    margin-bottom: 10px;
}

.spotlight-gain {
    font-size: 24px;
    font-weight: 700;
}

.spotlight-gain.positive {
    color: var(--mt4-success);
}

.spotlight-gain.negative {
    color: var(--mt4-danger);
}

.spotlight-stats {
    margin-top: 10px;
    font-size: 13px;
    color: var(--mt4-text-light);
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* Leaderboard Table */
.leaderboard-table-wrapper {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--mt4-shadow);
    overflow: hidden;
}

.mt4-leaderboard-table {
    width: 100%;
    border-collapse: collapse;
}

.mt4-leaderboard-table th {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
}

.mt4-leaderboard-table td {
    padding: 15px;
    border-bottom: 1px solid var(--mt4-border);
    vertical-align: middle;
}

.mt4-leaderboard-table tbody tr:hover {
    background: #f8f9fa;
}

.mt4-leaderboard-table tbody tr.gold {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.15), transparent);
}

.mt4-leaderboard-table tbody tr.silver {
    background: linear-gradient(90deg, rgba(192, 192, 192, 0.15), transparent);
}

.mt4-leaderboard-table tbody tr.bronze {
    background: linear-gradient(90deg, rgba(205, 127, 50, 0.15), transparent);
}

.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    font-weight: 700;
    font-size: 14px;
    background: var(--mt4-bg);
}

.rank-badge.gold {
    font-size: 20px;
}

.rank-badge.silver {
    font-size: 20px;
}

.rank-badge.bronze {
    font-size: 20px;
}

.trader-info {
    display: flex;
    flex-direction: column;
}

.trader-name {
    font-weight: 600;
    color: var(--mt4-text);
}

.trader-account {
    font-size: 12px;
    color: var(--mt4-text-light);
}

.col-gain .gain-value {
    font-weight: 700;
    font-size: 16px;
}

.col-gain .daily-gain {
    display: block;
    font-size: 12px;
    margin-top: 3px;
}

.positive {
    color: var(--mt4-success);
}

.negative {
    color: var(--mt4-danger);
}

.col-drawdown .drawdown-value {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
}

.drawdown-value.low {
    background: #d4edda;
    color: #155724;
}

.drawdown-value.medium {
    background: #fff3cd;
    color: #856404;
}

.drawdown-value.high {
    background: #f8d7da;
    color: #721c24;
}

.winrate-bar {
    position: relative;
    height: 24px;
    background: #e9ecef;
    border-radius: 12px;
    min-width: 80px;
    overflow: hidden;
}

.winrate-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--mt4-success), #2ecc71);
    border-radius: 12px;
    transition: width 0.5s ease;
}

.winrate-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: 600;
    color: var(--mt4-text);
    z-index: 1;
}

.trades-detail {
    display: block;
    font-size: 11px;
    color: var(--mt4-text-light);
}

.col-update {
    font-size: 13px;
    color: var(--mt4-text-light);
}

.no-data {
    text-align: center;
    padding: 40px !important;
    color: var(--mt4-text-light);
}

.leaderboard-footer {
    text-align: center;
    padding: 20px;
    color: var(--mt4-text-light);
}

.load-more {
    margin-top: 10px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .top-3-spotlight {
        flex-direction: column;
        align-items: center;
    }
    
    .spotlight-card.rank-1 {
        order: 1;
        transform: scale(1);
    }
    
    .spotlight-card.rank-2 {
        order: 2;
    }
    
    .leaderboard-table-wrapper {
        overflow-x: auto;
    }
    
    .mt4-leaderboard-table {
        min-width: 800px;
    }
    
    .leaderboard-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .leaderboard-filters {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-select,
    .filter-input {
        flex: 1;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.trader-row {
    animation: fadeIn 0.3s ease;
}

.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}