/* ===== UNIFORM CARD STYLING FOR ENTIRE PORTAL ===== */
/* This file ensures consistent card styling across all pages */

:root {
    /* Card Styling Variables */
    --card-background: #ffffff;
    --card-border-color: #dee2e6;
    --card-border-radius: 0.375rem;
    --card-border-width: 1px;
    --card-box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --card-box-shadow-hover: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --card-padding: 1rem;
    --card-margin: 0;
    
    /* Card Header Styling */
    --card-header-background: #f8f9fa;
    --card-header-border-color: #dee2e6;
    --card-header-padding: 1rem;
    
    /* Tennis Color Scheme */
    --tennis-green-dark: #1B5E20;
    --tennis-green: #2E7D32;
    --tennis-green-light: #43A047;
    --tennis-orange: #FF6F00;
    --tennis-orange-light: #FFA000;
}

/* ===== BASE CARD STYLING ===== */
.card {
    background-color: var(--card-background);
    border: var(--card-border-width) solid var(--card-border-color);
    border-radius: var(--card-border-radius);
    box-shadow: var(--card-box-shadow);
    margin: var(--card-margin);
}

.card.border-0 {
    border: none !important;
    box-shadow: var(--card-box-shadow);
}

.card.shadow-sm {
    box-shadow: var(--card-box-shadow) !important;
}

.card.shadow {
    box-shadow: var(--card-box-shadow) !important;
}

/* ===== CARD HEADER STYLING ===== */
.card-header {
    background-color: var(--card-header-background);
    border-bottom: var(--card-border-width) solid var(--card-header-border-color);
    padding: var(--card-header-padding);
    border-radius: var(--card-border-radius) var(--card-border-radius) 0 0;
}

.card-header.bg-white {
    background-color: var(--card-header-background) !important;
    border-bottom: var(--card-border-width) solid var(--card-header-border-color);
}

/* ===== CARD BODY STYLING ===== */
.card-body {
    padding: var(--card-padding);
}

/* ===== CARD FOOTER STYLING ===== */
.card-footer {
    background-color: var(--card-header-background);
    border-top: var(--card-border-width) solid var(--card-header-border-color);
    padding: var(--card-header-padding);
    border-radius: 0 0 var(--card-border-radius) var(--card-border-radius);
}

/* ===== HOVER EFFECTS ===== */
.card.hover-shadow {
    transition: box-shadow 0.3s ease-in-out, transform 0.2s ease-in-out;
}

.card.hover-shadow:hover {
    box-shadow: var(--card-box-shadow-hover) !important;
    transform: translateY(-2px);
}

/* ===== GRADIENT HEADER CARDS ===== */
.card.bg-gradient-primary,
.card.bg-gradient-success,
.card.bg-gradient-info,
.card.bg-gradient-warning,
.card.bg-gradient-danger {
    border: none;
    color: white;
}

.card.bg-gradient-primary .card-header,
.card.bg-gradient-success .card-header,
.card.bg-gradient-info .card-header,
.card.bg-gradient-warning .card-header,
.card.bg-gradient-danger .card-header {
    background-color: transparent;
    border: none;
}

/* ===== STATS CARDS ===== */
.stats-card {
    background-color: var(--card-background);
    border: var(--card-border-width) solid var(--card-border-color);
    border-radius: var(--card-border-radius);
    box-shadow: var(--card-box-shadow);
    transition: box-shadow 0.3s ease-in-out;
}

.stats-card:hover {
    box-shadow: var(--card-box-shadow-hover);
}

.stats-card .card-body {
    padding: var(--card-padding);
}

.stats-card-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--tennis-green-dark);
}

.stats-card-label {
    font-size: 0.875rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stats-card-icon {
    font-size: 2rem;
}

/* ===== ELO CHART CONTAINER ===== */
.elo-chart-container {
    background: var(--card-background);
    border-radius: var(--card-border-radius);
    padding: 0;
    margin: 20px 0;
    box-shadow: var(--card-box-shadow);
    border: var(--card-border-width) solid var(--card-border-color);
    position: relative;
    overflow: visible;
}

.elo-chart-wrapper {
    position: relative;
    height: 400px;
    margin: 20px;
    border-radius: 0;
    background: var(--card-background);
    padding: 0;
    box-shadow: none;
    border: none;
}

.elo-chart-title {
    color: #333;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0;
    padding: var(--card-header-padding);
    border-bottom: var(--card-border-width) solid var(--card-header-border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.elo-chart-title i {
    color: var(--tennis-green);
    font-size: 1.1rem;
}

.elo-chart-legend {
    display: flex;
    gap: 30px;
    margin: 0 20px;
    padding: 15px 0 0 0;
    flex-wrap: wrap;
    justify-content: center;
    border: none;
}

.elo-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: #555;
}

.elo-legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
}

.elo-legend-dot.win {
    background-color: var(--tennis-green);
}

.elo-legend-dot.loss {
    background-color: #DC3545;
}

/* ===== FILTER SECTIONS ===== */
.filter-section {
    background-color: var(--card-background);
    border-radius: var(--card-border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--card-box-shadow);
    border: var(--card-border-width) solid var(--card-border-color);
}

.filter-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #495057;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.filter-section-title i {
    color: var(--tennis-green);
    margin-right: 0.5rem;
}

/* ===== FORM SECTIONS ===== */
.edit-form-section {
    background-color: var(--card-background);
    border-radius: var(--card-border-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--card-box-shadow);
    border: var(--card-border-width) solid var(--card-border-color);
}

.edit-form-header {
    background-color: var(--card-header-background);
    border-bottom: var(--card-border-width) solid var(--card-header-border-color);
    padding: 1rem;
    margin: -1rem -1rem 1rem -1rem;
    border-radius: var(--card-border-radius) var(--card-border-radius) 0 0;
}

/* ===== OVERVIEW CARDS ===== */
.overview-card {
    background-color: var(--card-background);
    border-radius: var(--card-border-radius);
    padding: 1.5rem;
    box-shadow: var(--card-box-shadow);
    border: var(--card-border-width) solid var(--card-border-color);
    transition: box-shadow 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.overview-card:hover {
    box-shadow: var(--card-box-shadow-hover);
    transform: translateY(-2px);
}

.overview-card-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.overview-card-value {
    font-size: 2rem;
    font-weight: bold;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root {
        --card-padding: 0.875rem;
        --card-header-padding: 0.875rem;
    }
    
    .card-body {
        padding: 0.875rem;
    }
    
    .card-header {
        padding: 0.875rem;
    }
    
    .card-footer {
        padding: 0.875rem;
    }
    
    .elo-chart-wrapper {
        height: 300px;
        margin: 15px;
        padding: 0;
    }
    
    .elo-chart-title {
        font-size: 0.95rem;
        padding: 0.85rem;
    }
    
    .elo-chart-legend {
        gap: 15px;
        margin: 0 15px;
        padding: 10px 0 0 0;
    }
    
    .stats-card-value {
        font-size: 1.5rem;
    }
    
    .stats-card-icon {
        font-size: 1.5rem;
    }
    
    .filter-section {
        padding: 1rem;
    }
    
    .overview-card {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    :root {
        --card-padding: 0.75rem;
        --card-header-padding: 0.75rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .card-header {
        padding: 0.75rem;
    }
    
    .card-footer {
        padding: 0.75rem;
    }
    
    .filter-section {
        padding: 0.75rem;
    }
    
    .overview-card {
        padding: 0.75rem;
    }
}