/**
 * School Management System Styles
 * Version: 1.6.0
 */

/* ==================== GLOBAL STYLES ==================== */
:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --dark-color: #34495e;
    --light-color: #ecf0f1;
    --text-color: #333;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'SolaimanLipi', 'Siyam Rupali', 'Kalpurush', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* ==================== FORM STYLES ==================== */
.sms-registration-form,
.sms-login-form,
.sms-school-info {
    max-width: 600px;
    margin: 40px auto;
    padding: 30px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.sms-two-column-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

.sms-btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2980b9 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    text-align: center;
}

.sms-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
    color: white;
}

.sms-btn:active {
    transform: translateY(0);
}

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

.sms-btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

.sms-btn-delete {
    background: linear-gradient(135deg, var(--danger-color) 0%, #c0392b 100%);
}

.sms-btn-delete:hover {
    background: linear-gradient(135deg, #c0392b 0%, var(--danger-color) 100%);
}

.sms-success {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #27ae60 100%);
    color: white;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    margin-top: 10px;
    animation: slideIn 0.3s ease;
}

.registration-notice {
    background: #e8f4fc;
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    margin-bottom: 20px;
    color: var(--dark-color);
}

.form-footer {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #ecf0f1;
    text-align: center;
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* ==================== DASHBOARD STYLES ==================== */
.sms-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.dashboard-menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 30px 0;
}

.dashboard-menu .sms-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-size: 16px;
    text-align: center;
    padding: 15px;
}

.dashboard-menu .sms-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.sms-btn-logout {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%) !important;
    margin-top: 30px;
}

.sms-btn-logout:hover {
    background: linear-gradient(135deg, #7f8c8d 0%, #95a5a6 100%) !important;
}

/* ==================== PENDING APPROVAL STYLES ==================== */
.sms-pending-approval,
.sms-rejected-account {
    max-width: 600px;
    margin: 100px auto;
    padding: 40px;
    text-align: center;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.sms-pending-approval {
    border-top: 5px solid var(--warning-color);
}

.sms-rejected-account {
    border-top: 5px solid var(--danger-color);
}

.sms-pending-approval h3,
.sms-rejected-account h3 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.sms-pending-approval p,
.sms-rejected-account p {
    margin-bottom: 15px;
    color: #666;
}

/* ==================== MESSAGE STYLES ==================== */
.sms-message {
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: var(--border-radius);
    font-weight: 500;
}

.sms-message-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.sms-message-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.sms-message-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* ==================== MANAGEMENT CONTAINER STYLES ==================== */
.sms-management-container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 30px;
    margin-top: 20px;
}

.sms-form-section {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.sms-list-section {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-height: 600px;
    overflow-y: auto;
}

.sms-list-section h4 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--dark-color);
    padding-bottom: 10px;
    border-bottom: 2px solid #ecf0f1;
}

/* ==================== CLASSES GRID STYLES ==================== */
.sms-classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.sms-class-item {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.sms-class-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.sms-class-name {
    display: block;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.sms-class-date {
    display: block;
    font-size: 12px;
    color: #7f8c8d;
}

/* ==================== SUBJECTS TABLE STYLES ==================== */
.sms-subjects-table,
.sms-subjects-table-full {
    overflow-x: auto;
}

.sms-subjects-table table,
.sms-subjects-table-full table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.sms-subjects-table th,
.sms-subjects-table-full th {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2980b9 100%);
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.sms-subjects-table td,
.sms-subjects-table-full td {
    padding: 10px 12px;
    border-bottom: 1px solid #ecf0f1;
}

.sms-subjects-table tr:hover,
.sms-subjects-table-full tr:hover {
    background-color: #f8fafc;
}

.sms-subjects-table .sms-btn-sm,
.sms-subjects-table-full .sms-btn-sm {
    margin-right: 5px;
}

/* ==================== STUDENTS TABLE STYLES ==================== */
.sms-students-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.sms-students-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2980b9 100%);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.sms-students-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #ecf0f1;
}

.sms-students-table tbody tr:hover {
    background-color: #f8fafc;
}

/* ==================== RESULT ENTRY STYLES ==================== */
.sms-result-entry-container {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 20px;
}

.sms-student-selector {
    margin-bottom: 30px;
}

.sms-student-selector-dropdown {
    width: 100%;
    max-width: 500px;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
}

.sms-result-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.sms-result-table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px;
    text-align: left;
}

.sms-result-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #ecf0f1;
}

.sms-result-table input[type="number"] {
    width: 120px;
    padding: 8px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}

.sms-save-single {
    padding: 4px 8px;
    font-size: 12px;
}

/* ==================== REPORT STYLES ==================== */
.sms-report-container {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    margin: 20px 0;
}

.sms-print-actions {
    text-align: right;
    margin-bottom: 20px;
}

.sms-report-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--primary-color);
}

.school-info h1 {
    font-size: 28px;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.school-info p {
    color: #666;
    margin: 5px 0;
}

.report-title {
    text-align: center;
    margin-bottom: 30px;
}

.report-title h2 {
    color: var(--dark-color);
    font-size: 24px;
    margin-bottom: 10px;
}

.sms-report-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    font-size: 14px;
}

.sms-report-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2980b9 100%);
    color: white;
    padding: 12px;
    text-align: center;
    font-weight: 600;
    border: 1px solid #ddd;
}

.sms-report-table td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: center;
}

.sms-report-table tbody tr:nth-child(even) {
    background-color: #f8fafc;
}

.sms-report-table tbody tr:hover {
    background-color: #eef2f7;
}

.report-summary,
.grading-system {
    margin-top: 40px;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
    border-radius: 10px;
}

.report-summary h3,
.grading-system h3 {
    color: var(--dark-color);
    margin-bottom: 15px;
}

.grading-system ul {
    list-style-type: none;
    padding: 0;
}

.grading-system ul li {
    padding: 8px 0;
    border-bottom: 1px solid #ddd;
}

.grading-system ul li:last-child {
    border-bottom: none;
}

.report-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 2px dashed #ddd;
}

.signature,
.date {
    text-align: center;
}

.signature p,
.date p {
    margin: 5px 0;
}

/* ==================== CERTIFICATE STYLES ==================== */
.certificate-note {
    background: #fff3cd;
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 4px solid #ffc107;
    margin-bottom: 20px;
}

.certificate-note h4 {
    color: #856404;
    margin-bottom: 5px;
}

.certificate-note p {
    color: #856404;
    font-size: 14px;
}

#certificate_student_id,
#certificate_class_id {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 16px;
}

#certificate_student_id:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

/* ==================== PROMOTION STYLES ==================== */
.promotion-description {
    background: #e8f4fc;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #3498db;
    margin-bottom: 20px;
}

.promotion-instruction {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 5px;
    margin: 15px 0;
}

.promotion-actions {
    margin: 20px 0;
    padding: 15px;
    background: #f0f7ff;
    border-radius: 5px;
    border: 1px solid #cce5ff;
}

.promotion-actions label {
    display: inline-block;
    margin-right: 20px;
    font-weight: bold;
}

#promote-selected-students-btn {
    background: linear-gradient(135deg, #28a745 0%, #218838 100%);
    font-size: 16px;
    padding: 12px;
    margin-top: 15px;
}

#promote-selected-students-btn:hover {
    background: linear-gradient(135deg, #218838 0%, #28a745 100%);
}

.sms-promotion-student-item {
    padding: 12px;
    border: 1px solid #ddd;
    margin-bottom: 5px;
    border-radius: 5px;
    background: white;
    transition: var(--transition);
}

.sms-promotion-student-item:hover {
    background: #f8f9fa;
    transform: translateX(5px);
}

.sms-promotion-student-item input[type="checkbox"] {
    margin-right: 10px;
    transform: scale(1.2);
    cursor: pointer;
}

.student-roll {
    font-weight: bold;
    color: #0073aa;
    margin-right: 15px;
    min-width: 80px;
    display: inline-block;
}

.student-name {
    font-weight: bold;
    margin-right: 15px;
    min-width: 200px;
    display: inline-block;
}

.student-details {
    color: #666;
    font-size: 0.9em;
}

/* ==================== MODAL STYLES ==================== */
#sms-edit-student-modal,
#sms-edit-subject-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.sms-modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

/* ==================== UTILITY STYLES ==================== */
.text-right {
    text-align: right;
}

.sms-btn-cancel {
    background: linear-gradient(135deg, #718096 0%, #4a5568 100%);
    margin-right: 10px;
}

.sms-btn-cancel:hover {
    background: linear-gradient(135deg, #4a5568 0%, #718096 100%);
}

.sms-no-data {
    text-align: center;
    padding: 30px;
    color: #95a5a6;
    font-style: italic;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ==================== RESPONSIVE STYLES ==================== */
@media (max-width: 768px) {
    .sms-two-column-form,
    .form-row,
    .dashboard-menu {
        grid-template-columns: 1fr;
    }
    
    .sms-management-container {
        grid-template-columns: 1fr;
    }
    
    .report-footer {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .sms-registration-form,
    .sms-login-form,
    .sms-school-info {
        margin: 20px;
        padding: 20px;
    }
    
    .sms-modal-content {
        width: 95%;
        padding: 20px;
    }
    
    .sms-report-table {
        font-size: 12px;
    }
    
    .sms-report-table th,
    .sms-report-table td {
        padding: 6px;
    }
    
    .sms-student-selector-dropdown {
        max-width: 100%;
    }
    
    .student-roll,
    .student-name,
    .student-details {
        display: block;
        margin: 5px 0;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .no-print,
    .dashboard-menu,
    .sms-btn,
    .form-group,
    .sms-print-actions,
    .certificate-actions,
    #sms-dynamic-content .sms-btn,
    .sms-btn-logout {
        display: none !important;
    }
    
    body {
        background: white;
        padding: 0;
        margin: 0;
    }
    
    .sms-report-container,
    .certificate-container {
        box-shadow: none;
        padding: 0.5in;
        margin: 0;
        page-break-after: always;
    }
    
    .sms-report-table {
        font-size: 10pt;
    }
    
    .report-summary,
    .grading-system {
        page-break-inside: avoid;
    }
    
    .report-footer {
        position: fixed;
        bottom: 0;
        width: 100%;
    }
}

/* RTL Support for Bengali */
[dir="rtl"] .sms-registration-form,
[dir="rtl"] .sms-login-form,
[dir="rtl"] .sms-school-info {
    text-align: right;
}

[dir="rtl"] .form-group label {
    text-align: right;
}

[dir="rtl"] .student-roll,
[dir="rtl"] .student-name {
    margin-right: 0;
    margin-left: 15px;
}