/* ===================================
   SMART ATTENDANCE SYSTEM - STYLES
   =================================== */

/* Custom Font Declarations */
@font-face {
    font-family: 'BYT Regular';
    src: url('byt-Regular.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Larken Regular'; 
    src: url('Larken-Regular.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* CSS Custom Properties (Variables) */
:root {
    /* New Color Palette */
    --volunteers-color: #96BCB7;
    --trainees-color: #44556A;
    --preparatory-color: #E87853;
    --background-color: #F0F0F0;
    --delete-error-color: #961A4D;
    --login-button-color: #34E49B;
    --table-header-color: #546B68;
    
    /* Secondary Colors */
    --info-color: #546B68;
    --success-color:#546B68;
    
    /* Neutral Colors */
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --gray-light: #e9ecef;
    --white: #ffffff;
    --black: #000000;
    
    /* Layout Properties */
    --border-radius: 10px;
    --border-radius-lg: 15px;
    --transition: all 0.3s ease;
    --font-primary: 'BYT Regular', 'Tajawal', sans-serif;
    --font-secondary: 'Larken Regular', 'Tajawal', serif;
    
    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-xxl: 40px;
}

/* ===================================
   BASE STYLES & RESET
   =================================== */

/* Universal Box Sizing */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* HTML & Body Base Styles */
html, 
body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    font-family: var(--font-primary);
    line-height: 1.6;
}

/* Body Background Setup */
body {
    background-color: var(--background-color);
    background-image: url('background_image.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    min-height: 100vh;
    color: var(--dark-color);
    font-family: var(--font-primary);
    padding-bottom: 80px; /* Space for fixed footer */
}

/* Background Overlay */
.background-overlay { 
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(240, 240, 240, 0.3);
    z-index: -1;
    pointer-events: none;
}

/* Force English locale for date inputs */
input[type="date"] {
    font-family: Arial, sans-serif !important;
    direction: ltr !important;
    text-align: left !important;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    margin-left: 0;
    margin-right: auto;
}

/* ===================================
   LAYOUT COMPONENTS
   =================================== */

/* Main Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Welcome Screen Layout */
.welcome-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: calc(100vh - 140px);
    position: relative;
}

/* Logo Container */
.logo-container {
    margin-bottom: var(--spacing-xxl);
    animation: fadeInUp 0.8s ease;
}

.logo-image {
    width: 180px;
    height: 180px;
    object-fit: contain;
    transition: var(--transition);
    border-radius: 50%;
}



/* Typography */
#welcome-title {
    font-family: var(--font-primary);
    font-size: 2.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark-color);
    font-weight: 700;
    animation: fadeInUp 0.8s 0.2s both;
}

.welcome-subtitle {
    color: var(--gray-color);
    font-size: 1.1rem;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s 0.4s both;
    font-family: var(--font-primary);
}

.selected-city-display {
    color: var(--volunteers-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: var(--spacing-md);
    font-family: var(--font-primary);
}

/* ===================================
   CITY SELECTION SCREEN
   =================================== */

.city-selection-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--background-color);
    background-image: url('background_image.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    z-index: 10000;
    /* Show by default */
}

.city-selection-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    width: 100%;
    max-width: 800px;
    text-align: center;
    border: 1px solid var(--gray-light);
    animation: fadeInUp 0.6s ease;
}

.city-selection-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
}

.city-logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.city-selection-title {
    font-family: var(--font-primary);
    font-size: 2.2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-color);
    font-weight: 700;
}

.city-selection-subtitle {
    color: var(--gray-color);
    margin-bottom: var(--spacing-xxl);
    font-size: 1rem;
    font-family: var(--font-primary);
}

.city-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.city-btn {
    background: var(--volunteers-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
}

.city-btn i {
    margin-left: var(--spacing-sm);
    font-size: 1.2rem;
}

.city-btn:hover {
    transform: translateY(-3px);
    background: var(--trainees-color);
}

.city-btn:active {
    transform: translateY(1px);
}

/* ===================================
   BUTTON COMPONENTS
   =================================== */

/* Base Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 32px;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    position: relative;
    font-family: var(--font-primary);
    min-width: 200px;
}

.btn i {
    margin-left: 12px;
    font-size: 1.2rem;
}

/* Button Variants */
.btn-primary, 
.btn-secondary {
    background: var(--login-button-color);
    color: var(--white);
}

.btn-primary:hover, 
.btn-secondary:hover {
    transform: translateY(-3px);
    background: var(--trainees-color);
}

.btn-admin {
    background: var(--white);
    color: var(--dark-color);
    border: 2px solid var(--dark-color);
    animation: fadeInUp 0.8s 0.8s both;
}

.btn-admin:hover {
    background: var(--dark-color);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-change-city {
    background: var(--gray-color);
    color: var(--white);
    animation: fadeInUp 0.8s 1s both;
}

.btn-change-city:hover {
    background: var(--dark-color);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-submit {
    background: var(--login-button-color);
    color: var(--white);
    width: 100%;
    padding: 18px;
    margin-top: var(--spacing-lg);
    font-size: 1.1rem;
}

.btn-submit:hover {
    background: var(--trainees-color);
}

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

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

.btn-reset {
    background: var(--delete-error-color);
    color: var(--white);
}

/* Action Buttons Container */
.action-buttons {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    display: grid;
    gap: var(--spacing-lg);
    animation: fadeInUp 0.8s 0.6s both;
}

/* ===================================
   FORM COMPONENTS
   =================================== */

/* Form Overlay */
.form-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    animation: fadeIn 0.3s ease;
}

.form-overlay.active {
    display: flex;
}

/* Form Container */
.form-container {
    background: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 100%;
    position: relative;
    animation: slideUp 0.4s ease;
    max-height: 90vh;
    overflow-y: auto;
}

/* Form Close Button */
.form-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--black);
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--danger-color);
}

/* Form Title */
.form-title {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--dark-color);
    font-weight: 700;
}

/* Admin Title */
.admin-title {
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--dark-color);
    font-weight: 700;
}

/* Section Title */
.section-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-color);
    border-bottom: 2px solid var(--volunteers-color);
    padding-bottom: var(--spacing-sm);
    font-weight: 700;
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--white);
}

/* Form Groups */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark-color);
    font-family: var(--font-primary);
    line-height: 1.6;
}

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

.form-group input::placeholder {
    color: var(--gray-color);
    opacity: 0.7;
}

/* ===================================
   ADMIN PANEL COMPONENTS
   =================================== */

/* Admin Overlay */
.admin-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: none;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.admin-overlay.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Admin Container */
.admin-container {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xxl) auto;
    max-width: 1400px;
    min-height: calc(100vh - 80px);
    position: relative;
}

/* Admin Header */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-light);
}

.admin-title {
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--dark-color);
}

.admin-close {
    background: var(--danger-color);
    color: var(--black);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.admin-close:hover {
    transform: scale(1.1);
}

/* ===================================
   KPI COMPONENTS
   =================================== */

/* KPI Container */
.kpi-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* KPI Card */
.kpi-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    display: flex;
    align-items: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

/* Avatar Container */
.avatar-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--login-button-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--white);
}
.kpi-card.trainees::before { background: var(--trainees-color); }
.kpi-card.preparatory::before { background: var(--preparatory-color); }
.kpi-card.total::before { background: var(--info-color); }

.kpi-card:hover {
    transform: translateY(-3px);
}

/* KPI Icon */
.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    margin-left: var(--spacing-md);
    color: var(--white);
    flex-shrink: 0;
}

.kpi-icon.volunteers { background: var(--volunteers-color); }
.kpi-icon.trainees { background: var(--trainees-color); }
.kpi-icon.preparatory { background: var(--preparatory-color); }
.kpi-icon.total { background: var(--info-color); }

/* KPI Info */
.kpi-info {
    flex: 1;
}

.kpi-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
    font-family: var(--font-secondary);
}

.kpi-info p {
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-primary);
}

.kpi-detail {
    font-size: 0.8rem;
    color: var(--gray-color);
    font-style: italic;
    font-family: var(--font-primary);
}

/* Category KPIs */
.category-kpis-container {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-color);
    border-bottom: 2px solid var(--volunteers-color);
    padding-bottom: var(--spacing-sm);
}

.category-charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.category-chart-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.category-chart-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.chart-header {
    padding: var(--spacing-lg);
    color: var(--white);
    text-align: center;
}

.category-chart-card.volunteers .chart-header {
    background: var(--volunteers-color);
}

.category-chart-card.trainees .chart-header {
    background: var(--trainees-color);
}

.category-chart-card.preparatory .chart-header {
    background: var(--preparatory-color);
}

.chart-header h4 {
    margin: 0;
    font-size: 1.2rem;
    font-family: var(--font-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.chart-content {
    padding: var(--spacing-lg);
}

.chart-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--spacing-md);
}

.chart-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--background-color);
    border-radius: var(--border-radius);
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-color);
    font-family: var(--font-secondary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-color);
    margin-top: var(--spacing-xs);
    font-family: var(--font-primary);
}

/* ===================================
   CONTROLS & FILTERS
   =================================== */

/* Controls Section */
.controls-section {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    border: 1px solid var(--gray-light);
}

/* Controls Grid */
.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: 25px;
}

/* Control Group */
.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.control-group select,
.control-group input {
    padding: 12px 15px;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-family: var(--font-primary);
}

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

/* Actions Grid */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

/* ===================================
   TABLE COMPONENTS
   =================================== */

/* KPI Card Variants */
.kpi-card.volunteers::before { background: var(--volunteers-color); }
.kpi-card.trainees::before { background: var(--trainees-color); }
.kpi-card.preparatory::before { background: var(--preparatory-color); }
.kpi-card.total::before { background: var(--info-color); }

.table-section {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.table-header {
    background: var(--volunteers-color);
    padding: var(--spacing-lg);
    color: var(--white);
    font-weight: 600;
}

.table-header h3 {
    margin: 0;
    font-family: var(--font-secondary);
}

.table-container {
    max-height: 500px;
    overflow-y: auto;
}

/* Table Styles */
#attendance-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    font-family: var(--font-primary);
}

#attendance-table th {
    background: var(--background-color);
    padding: var(--spacing-md);
    text-align: right;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid var(--gray-light);
    position: sticky;
    top: 0;
    z-index: 10;
    font-family: var(--font-primary);
}

#attendance-table th {
    background: var(--background-color);
    padding: var(--spacing-md);
    text-align: right;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid var(--gray-light);
    position: sticky;
    top: 0;
    z-index: 10;
    font-family: var(--font-primary);
}

#attendance-table td {
    padding: 12px var(--spacing-md);
    border-bottom: 1px solid var(--gray-light);
    vertical-align: middle;
    font-family: var(--font-primary);
}

#attendance-table tr:hover {
    background-color: rgba(150, 188, 183, 0.1);
}

#attendance-table .btn {
    padding: 8px 12px;
    font-size: 0.9rem;
    min-width: auto;
    background: var(--delete-error-color);
    color: var(--white);
}

#attendance-table .btn:hover {
    background: var(--trainees-color);
}

/* ===================================
   UTILITY COMPONENTS
   =================================== */

/* Alert System */
.alert {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius);
    color: var(--white);
    font-weight: 600;
    transform: translateX(400px);
    opacity: 0;
    transition: var(--transition);
    z-index: 3000;
    max-width: 400px;
    font-family: var(--font-primary);
}

.alert.show {
    transform: translateX(0);
    opacity: 1;
}

.alert.success {
    background: var(--volunteers-color);
    color: var(--white);
}

.alert.error {
    background: var(--delete-error-color);
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 4000;
}

.loading-spinner.active {
    display: flex;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--volunteers-color);
    animation: spin 1s linear infinite;
}

/* ===================================
   FOOTER COMPONENT
   =================================== */

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 20px var(--spacing-lg);
    text-align: center;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright {
    font-size: 0.9rem;
    font-family: var(--font-primary);
}

.developer {
    font-size: 0.9rem;
    font-family: var(--font-primary);
}

.developer span {
    color: var(--volunteers-color);
    font-weight: 600;
}

/* ===================================
   ANIMATIONS
   =================================== */

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

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

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s;
}

/* Table Section */
.table-section {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.table-header {
    background: var(--table-header-color);
    padding: var(--spacing-lg);
    color: var(--white);
    font-weight: 600;
}

.table-header h3 {
    margin: 0;
    font-family: var(--font-primary);
    font-weight: 700;
}

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

/* Tablet Styles */
@media (max-width: 768px) {
    .container { 
        padding: var(--spacing-md); 
    }
    
    #welcome-title { 
        font-size: 2.2rem; 
    }
    
    .form-container { 
        padding: 25px; 
        margin: var(--spacing-sm); 
    }
    
    .admin-container { 
        margin: var(--spacing-lg) auto; 
        padding: var(--spacing-lg); 
    }
    
    .kpi-container { 
        grid-template-columns: 1fr; 
    }
    
    .controls-grid { 
        grid-template-columns: 1fr; 
    }
    
    .actions-grid { 
        grid-template-columns: 1fr; 
    }
    
    .footer-content { 
        flex-direction: column; 
        text-align: center; 
    }
    
    #individual-performance-cards {
        grid-template-columns: 1fr;
    }
}

/* Mobile Styles */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 15px;
        --spacing-xl: 20px;
        --spacing-xxl: 25px;
    }
    
    .logo-image {
        width: 120px;
        height: 120px;
    }
    
    #welcome-title {
        font-size: 1.8rem;
    }
    
    .form-container {
        padding: var(--spacing-lg);
    }
    
    .avatar {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .kpi-card {
        padding: var(--spacing-lg);
    }
    
    .kpi-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    #attendance-table {
        font-size: 0.85rem;
    }
    
    #attendance-table th,
    #attendance-table td {
        padding: 8px var(--spacing-sm);
    }
    
    .alert {
        right: var(--spacing-md);
        left: var(--spacing-md);
        max-width: calc(100% - 30px);
    }
}

/* ===================================
   PRINT STYLES
   =================================== */

@media print {
    .form-overlay,
    .admin-overlay,
    .loading-spinner,
    .alert,
    .btn,
    .footer {
        display: none !important;
    }
    
    body {
        background: white !important;
    }
    
    .admin-container {
        margin: 0 !important;
        padding: var(--spacing-lg) !important;
        box-shadow: none !important;
        border-radius: 0 !important;
    }
}