/**
 * Main Stylesheet
 * SoftwareForge Attendance Management System
 */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --dark-color: #1e293b;
    --light-color: #f1f5f9;
    --white: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --sidebar-width: 260px;
    --topbar-height: 70px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-color);
}

/* Fade-in Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-text {
    animation: fadeIn 1.5s ease-in-out;
}

/* Login Page Styles */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 32px;
    color: #EA4224;
    margin-bottom: 5px;
}

.login-header p {
    color: #FF5233;
    font-size: 16px;
}

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

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

.login-form input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

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

.login-footer {
    margin-top: 25px;
    text-align: center;
}

.demo-info {
    background-color: var(--light-color);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 13px;
}

.copyright {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #FF5233;
    color: var(--white);
}

.btn-primary:hover {
    background-color: #EA4224;
}

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

.btn-secondary:hover {
    background-color: #475569;
}

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

.btn-success:hover {
    background-color: #059669;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-logout {
    background-color: var(--danger-color);
    color: var(--white);
    padding: 8px 16px;
}

/* Alert Styles */
.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: 6px;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d1fae5;
    border-color: var(--success-color);
    color: #065f46;
}

.alert-error {
    background-color: #fee2e2;
    border-color: var(--danger-color);
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: var(--warning-color);
    color: #92400e;
}

.alert-info {
    background-color: #dbeafe;
    border-color: var(--info-color);
    color: #1e40af;
}

/* Wrapper Layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--dark-color);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 10px;
}

.sidebar-header h2 {
    font-size: 24px;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.nav-item.active {
    background-color: #FF5233;
    color: var(--white);
    border-left: 4px solid #EA4224;
}

.nav-item i {
    margin-right: 12px;
    font-size: 18px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left h1 {
    font-size: 24px;
    font-weight: 600;
    color: #FF5233;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-name {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Content Area */
.content {
    flex: 1;
    padding: 30px;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: 8px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
}

.stat-icon.blue { background-color: var(--primary-color); }
.stat-icon.green { background-color: var(--success-color); }
.stat-icon.orange { background-color: var(--warning-color); }
.stat-icon.purple { background-color: #8b5cf6; }

.stat-details h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-details p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Dashboard Content */
.dashboard-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 20px;
}

/* Card Styles */
.card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.card-body {
    padding: 25px;
}

/* Table Styles */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background-color: var(--light-color);
}

.data-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
    background-color: var(--light-color);
}

/* Badge Styles */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
}

.badge-present, .badge-active, .badge-approved {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-absent {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-late {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-half-day {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-pending {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-rejected, .badge-inactive {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 20px;
}

.close {
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.modal-content form {
    padding: 25px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

/* Footer */
.footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 20px 30px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.page-link {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-primary);
}

.page-link:hover {
    background-color: var(--light-color);
}

.page-link.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Utility Classes */
.text-center { text-align: center; }
.no-data { 
    text-align: center; 
    color: var(--text-secondary);
    padding: 40px 20px;
}

.page-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-form input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    min-width: 250px;
}

/* Icons (Simple placeholder) */
.icon-dashboard::before { content: '📊'; }
.icon-users::before { content: '👥'; }
.icon-calendar::before { content: '📅'; }
.icon-file::before { content: '📄'; }
.icon-building::before { content: '🏢'; }
.icon-chart::before { content: '📈'; }
.icon-settings::before { content: '⚙️'; }
.icon-user::before { content: '👤'; }
.icon-check::before { content: '✓'; }
.icon-clock::before { content: '🕐'; }
.icon-dollar::before { content: '💰'; }
.icon-plus::before { content: '+'; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}