/* ============================================
   AGAPE LOVE FC - Design System
   NGO Football Academy Management System
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Color Palette - Volcanic Glass with Warm Accents */
    --color-bg-primary: #0A0A0A;
    --color-bg-secondary: #141414;
    --color-bg-tertiary: #1E1E1E;
    --color-bg-card: #1A1A1A;
    --color-bg-hover: #252525;
    
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #A0A0A0;
    --color-text-muted: #666666;
    
    --color-accent-primary: #FF6B2B;
    --color-accent-secondary: #FFB088;
    --color-accent-hover: #FF8557;
    
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-error: #F44336;
    --color-info: #2196F3;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(255, 107, 43, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Layout */
    --sidebar-width: 280px;
    --header-height: 80px;
    --max-content-width: 1400px;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

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

a:hover {
    color: var(--color-accent-hover);
}

/* ============================================
   OPENING SCREEN / LANDING PAGE
   ============================================ */

.opening-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    overflow: hidden;
}

.opening-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.bg-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(10, 10, 10, 0.8) 50%,
        rgba(10, 10, 10, 0.9) 100%
    );
}

.opening-content {
    text-align: center;
    padding: var(--space-xl);
    max-width: 800px;
    z-index: 10;
}

.logo-section {
    margin-bottom: var(--space-2xl);
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.logo-placeholder {
    width: 120px;
    height: 120px;
    border: 3px solid var(--color-accent-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
    transition: all var(--transition-normal);
}

.logo-placeholder:hover {
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

.logo-svg {
    width: 60px;
    height: 60px;
}

.logo-upload {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    cursor: pointer;
    white-space: nowrap;
}

.ngo-name {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ngo-tagline {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-light);
}

/* Welcome Animation */
.welcome-animation {
    margin: var(--space-2xl) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.football-icon {
    font-size: 4rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.welcome-text {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.welcome-text .word {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-medium);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s forwards;
}

.welcome-text .word:nth-child(1) { animation-delay: 0.1s; }
.welcome-text .word:nth-child(2) { animation-delay: 0.2s; }
.welcome-text .word:nth-child(3) { animation-delay: 0.3s; }
.welcome-text .word:nth-child(4) { animation-delay: 0.4s; }
.welcome-text .word:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Login Section */
.login-section {
    margin-top: var(--space-2xl);
}

.login-hint {
    margin-top: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.banner-editor {
    position: absolute;
    bottom: var(--space-xl);
    right: var(--space-xl);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-hover) 100%);
    color: var(--color-bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-text-muted);
}

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

.btn-text {
    background: transparent;
    color: var(--color-accent-primary);
    padding: var(--space-xs) var(--space-sm);
}

.btn-text:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

.btn-large {
    padding: var(--space-md) var(--space-2xl);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
}

.btn-full {
    width: 100%;
}

/* ============================================
   MODALS
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.modal-header h2 {
    font-size: var(--font-size-xl);
}

.close-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close-btn:hover {
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--space-xl);
}

/* Login Tabs */
.login-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tab-btn {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-tertiary);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn.active {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-primary);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-bg-hover);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

.demo-credentials {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-bg-tertiary);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   APP CONTAINER & LAYOUT
   ============================================ */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-bg-tertiary);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.sidebar-logo {
    width: 48px;
    height: 48px;
    border: 2px solid var(--color-accent-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
}

.logo-svg-small {
    width: 24px;
    height: 24px;
}

.sidebar-header h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-lg) 0;
}

.nav-section {
    margin-bottom: var(--space-lg);
}

.nav-label {
    display: block;
    padding: var(--space-sm) var(--space-xl);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.nav-link.active {
    background: var(--color-bg-tertiary);
    color: var(--color-accent-primary);
    border-left-color: var(--color-accent-primary);
}

.nav-link svg {
    flex-shrink: 0;
}

.sidebar-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--color-bg-tertiary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    color: var(--color-bg-primary);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--space-xl);
    min-height: 100vh;
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.page-header h1 {
    font-size: var(--font-size-3xl);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.search-box {
    position: relative;
}

.search-box input {
    width: 280px;
    padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-2xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    width: 320px;
}

.search-box svg {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

/* ============================================
   DASHBOARD
   ============================================ */

.dashboard-content {
    max-width: var(--max-content-width);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-2px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.players {
    background: rgba(76, 175, 80, 0.2);
    color: var(--color-success);
}

.stat-icon.present {
    background: rgba(33, 150, 243, 0.2);
    color: var(--color-info);
}

.stat-icon.tournaments {
    background: rgba(255, 193, 7, 0.2);
    color: var(--color-warning);
}

.stat-icon.practice {
    background: rgba(255, 107, 43, 0.2);
    color: var(--color-accent-primary);
}

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

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Dashboard Sections */
.dashboard-section {
    margin-bottom: var(--space-2xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.section-header h2 {
    font-size: var(--font-size-xl);
}

.filter-controls {
    display: flex;
    gap: var(--space-md);
}

.filter-controls select {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

/* Notifications */
.notifications-list {
    background: var(--color-bg-card);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-bg-tertiary);
    transition: background var(--transition-fast);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item:hover {
    background: var(--color-bg-hover);
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-icon.info { background: rgba(33, 150, 243, 0.2); color: var(--color-info); }
.notification-icon.success { background: rgba(76, 175, 80, 0.2); color: var(--color-success); }
.notification-icon.warning { background: rgba(255, 193, 7, 0.2); color: var(--color-warning); }

.notification-content {
    flex: 1;
}

.notification-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.notification-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.notification-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* Players Grid */
.players-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.player-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.player-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.player-card-image {
    width: 100%;
    height: 180px;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.player-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.player-card-image .placeholder {
    font-size: 3rem;
    color: var(--color-text-muted);
}

.player-card-content {
    padding: var(--space-lg);
}

.player-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.player-id {
    font-size: var(--font-size-xs);
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-medium);
}

.player-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.player-meta {
    display: flex;
    gap: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.player-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-bg-tertiary);
}

/* ============================================
   PAGES
   ============================================ */

.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.page-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    min-height: 400px;
}

/* ============================================
   TABLES
   ============================================ */

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

.data-table th,
.data-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.data-table th {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.data-table td {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.data-table tr:hover td {
    background: var(--color-bg-hover);
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.badge-success {
    background: rgba(76, 175, 80, 0.2);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.2);
    color: var(--color-warning);
}

.badge-error {
    background: rgba(244, 67, 54, 0.2);
    color: var(--color-error);
}

.badge-info {
    background: rgba(33, 150, 243, 0.2);
    color: var(--color-info);
}

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

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
    }
    
    .ngo-name {
        font-size: var(--font-size-3xl);
    }
    
    .welcome-text .word {
        font-size: var(--font-size-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .players-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .header-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .search-box input:focus {
        width: 100%;
    }
}

/* ============================================
   UTILITIES
   ============================================ */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Selection */
::selection {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}