/* 
 * theme.css
 * Main theme file for Penannt Education Esports League Platform
 * Dark theme with cyan and purple accents
 */

:root {
    /* Primary Colors */
    --primary-dark: #1B3A8C;
    --primary-darker: #0A1628;
    --primary-darker-bg: #050A15;
    --primary-light: #2B4BA0;
    
    /* Accent Colors */
    --accent-cyan: #00D4FF;
    --accent-cyan-hover: #00B8D4;
    --accent-purple: #7B2CBF;
    --accent-purple-light: #9A4DD0;
    
    /* Neutral Colors */
    --text-white: #FFFFFF;
    --text-gray: #A0AEC0;
    --text-gray-dark: #718096;
    --border-color: #2D3748;
    
    /* Status Colors */
    --success-color: #10B981;
    --error-color: #EF4444;
    --warning-color: #F59E0B;
    --info-color: #3B82F6;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

/* ========================================
   GLOBAL STYLES
   ======================================== */

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--primary-darker);
    color: var(--text-white);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    transition: var(--transition-base);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-cyan);
    color: var(--primary-dark);
    padding: 8px;
    z-index: 100;
}

.skip-to-content:focus {
    top: 0;
}

/* ========================================
   MAIN CONTAINER STYLING
   ======================================== */

.main-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
    background-color: var(--primary-darker);
    margin-top: 60px; /* Height of navbar */
    position: relative;
}

.page-content {
    flex: 1;
    padding: var(--spacing-lg);
    background-color: var(--primary-darker);
    min-height: calc(100vh - 60px - 300px);
    animation: fadeIn 0.3s ease-out;
}

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

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 32px; line-height: 1.2; }
h2 { font-size: 28px; line-height: 1.3; }
h3 { font-size: 24px; line-height: 1.4; }
h4 { font-size: 20px; line-height: 1.4; }
h5 { font-size: 16px; line-height: 1.5; }
h6 { font-size: 14px; line-height: 1.5; }

p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--accent-cyan-hover);
    text-decoration: none;
}

/* ========================================
   BUTTON STYLING
   ======================================== */

.btn {
    border-radius: var(--border-radius-md);
    font-weight: 600;
    padding: 10px 24px;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn:focus {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--accent-cyan);
    color: var(--primary-dark);
}

.btn-primary:hover {
    background-color: var(--accent-cyan-hover);
    color: var(--primary-dark);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background-color: var(--accent-purple);
    color: var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--accent-purple-light);
    box-shadow: 0 0 20px rgba(123, 44, 191, 0.5);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 0 10px rgba(123, 44, 191, 0.3);
}

.btn-outline-cyan {
    background-color: transparent;
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-outline-cyan:hover {
    background-color: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-cyan-hover);
    color: var(--accent-cyan-hover);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ========================================
   FORM STYLING
   ======================================== */

.form-control,
.form-select,
textarea {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    border-radius: var(--border-radius-md);
    padding: 10px 15px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: var(--transition-fast);
}

.form-control::placeholder,
textarea::placeholder {
    color: var(--text-gray-dark);
}

.form-control:focus,
.form-select:focus,
textarea:focus {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-cyan);
    color: var(--text-white);
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.25);
    outline: none;
}

.form-control.is-invalid,
.form-select.is-invalid,
textarea.is-invalid {
    border-color: var(--error-color);
    background-image: none;
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus,
textarea.is-invalid:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 0.2rem rgba(239, 68, 68, 0.25);
}

.form-control.is-valid,
.form-select.is-valid,
textarea.is-valid {
    border-color: var(--success-color);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus,
textarea.is-valid:focus {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.25);
}

label {
    color: var(--text-white);
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

.form-text {
    color: var(--text-gray);
    font-size: 12px;
    margin-top: 4px;
}

.invalid-feedback {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

.valid-feedback {
    color: var(--success-color);
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

/* ========================================
   CARD STYLING
   ======================================== */

.card {
    background-color: rgba(43, 75, 160, 0.1);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    color: var(--text-white);
    overflow: hidden;
}

.card:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
}

.card-header {
    background-color: rgba(27, 58, 140, 0.3);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: var(--spacing-md);
}

.card-header h5,
.card-header h6 {
    margin-bottom: 0;
    color: var(--accent-cyan);
}

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

.card-footer {
    background-color: rgba(27, 58, 140, 0.1);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md);
}

.card-title {
    color: var(--text-white);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.card-text {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   BADGE STYLING
   ======================================== */

.badge {
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    display: inline-block;
    transition: var(--transition-fast);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.badge-error {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.badge-info {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--info-color);
}

.badge-cyan {
    background-color: rgba(0, 212, 255, 0.2);
    color: var(--accent-cyan);
}

.badge-purple {
    background-color: rgba(123, 44, 191, 0.2);
    color: var(--accent-purple);
}

/* ========================================
   ALERT STYLING
   ======================================== */

.alert {
    border-radius: var(--border-radius-md);
    border: 1px solid;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--error-color);
    color: var(--error-color);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 20px;
    padding: 0;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ========================================
   TABLE STYLING
   ======================================== */

.table {
    color: var(--text-white);
    border-color: var(--border-color);
}

.table thead th {
    background-color: rgba(27, 58, 140, 0.2);
    border-color: var(--border-color);
    color: var(--accent-cyan);
    font-weight: 600;
    padding: var(--spacing-md);
}

.table tbody td {
    border-color: var(--border-color);
    padding: var(--spacing-md);
    vertical-align: middle;
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background-color: rgba(43, 75, 160, 0.1);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.1);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

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

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

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

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

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

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

.bg-dark-secondary { 
    background-color: rgba(255, 255, 255, 0.05) !important; 
}

.bg-dark-tertiary { 
    background-color: rgba(255, 255, 255, 0.02) !important; 
}

.border-cyan { 
    border-color: var(--accent-cyan) !important; 
}

.border-purple { 
    border-color: var(--accent-purple) !important; 
}

.shadow-cyan { 
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2) !important; 
}

.shadow-purple { 
    box-shadow: 0 0 20px rgba(123, 44, 191, 0.2) !important; 
}

.rounded-lg { 
    border-radius: var(--border-radius-lg) !important; 
}

.rounded-xl { 
    border-radius: var(--border-radius-xl) !important; 
}

.transition-all { 
    transition: var(--transition-base) !important; 
}

.transition-fast { 
    transition: var(--transition-fast) !important; 
}

.cursor-pointer { 
    cursor: pointer; 
}

.cursor-not-allowed { 
    cursor: not-allowed; 
}

.opacity-50 { 
    opacity: 0.5; 
}

.opacity-75 { 
    opacity: 0.75; 
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablets */
@media (max-width: 1199px) {
    body {
        font-size: 13px;
    }
    
    .page-content {
        padding: var(--spacing-md);
    }
    
    h1 { font-size: 28px; }
    h2 { font-size: 24px; }
    h3 { font-size: 20px; }
}

/* Mobile */
@media (max-width: 768px) {
    body {
        font-size: 13px;
    }
    
    .page-content {
        padding: var(--spacing-sm);
        min-height: calc(100vh - 56px - 300px);
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .btn-lg {
        padding: 10px 24px;
        font-size: 14px;
    }
    
    h1 { font-size: 24px; }
    h2 { font-size: 20px; }
    h3 { font-size: 18px; }
    h4 { font-size: 16px; }
    
    .card {
        margin-bottom: var(--spacing-md);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
}

/* Small Mobile */
@media (max-width: 576px) {
    body {
        font-size: 12px;
    }
    
    .page-content {
        padding: 10px;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    h1 { font-size: 20px; }
    h2 { font-size: 18px; }
    h3 { font-size: 16px; }
    h4 { font-size: 14px; }
    
    .form-control,
    .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}