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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #F8F9FB;
    min-height: 100vh;
    color: #1F2937;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    color: #3B82F6;
    margin-bottom: 10px;
    font-size: 28px;
}

.login-box h2 {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 20px;
    font-weight: 400;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid #c33;
}

.login-info {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
    font-size: 12px;
    color: #999;
}

/* Admin Panel */
.admin-container {
    min-height: 100vh;
    background: #F8F9FB;
}

.admin-header {
    background: white;
    padding: 20px 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header h1 {
    color: #333;
    font-size: 24px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.home-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    transition: background-color 0.2s, color 0.2s;
    font-weight: 500;
}

.home-link:hover {
    background-color: #F1F3F6;
    color: #3B82F6;
}

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

.username {
    color: #666;
    font-weight: 500;
}

.admin-main {
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.admin-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.actions-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.search-sort-bar {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 12px 40px 12px 16px;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: #3B82F6;
}

.search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9CA3AF;
    pointer-events: none;
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-controls label {
    font-weight: 500;
    color: #6B7280;
    font-size: 14px;
}

.sort-controls select {
    padding: 12px 16px;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    color: #1F2937;
    cursor: pointer;
    transition: border-color 0.2s;
}

.sort-controls select:focus {
    outline: none;
    border-color: #3B82F6;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-logout {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: #3B82F6;
    color: white;
}

.btn-primary:hover {
    background: #2563EB;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: #e2e8f0;
    color: #475569;
}

.btn-secondary:hover {
    background: #cbd5e1;
}

.btn-logout {
    background: #ef4444;
    color: white;
}

.btn-logout:hover {
    background: #dc2626;
}

.btn-edit,
.btn-delete {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    margin: 0 4px;
}

.btn-edit {
    background: #3B82F6;
    color: white;
}

.btn-edit:hover {
    background: #2563EB;
}

.btn-delete {
    background: #ef4444;
    color: white;
}

.btn-delete:hover {
    background: #dc2626;
}

/* Table */
.table-container {
    overflow-x: auto;
}

.applications-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.applications-table thead {
    background: #f8fafc;
}

.applications-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: #475569;
    border-bottom: 2px solid #e2e8f0;
}

.applications-table td {
    padding: 15px;
    border-bottom: 1px solid #e2e8f0;
}

.applications-table tbody tr:hover {
    background: #f8fafc;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #94a3b8;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
}

.status-pending { background: #fef3c7; color: #92400e; }
.status-interview { background: #dbeafe; color: #1e40af; }
.status-rejected { background: #fee2e2; color: #991b1b; }
.status-accepted { background: #d1fae5; color: #065f46; }
.status-no_response { background: #f3f4f6; color: #374151; }

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

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

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    color: #333;
    font-size: 20px;
}

.close {
    font-size: 28px;
    font-weight: bold;
    color: #94a3b8;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: #333;
}

.modal-body {
    padding: 24px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #475569;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .admin-main {
        padding: 20px;
    }
    
    .applications-table {
        font-size: 14px;
    }
    
    .applications-table th,
    .applications-table td {
        padding: 10px;
    }
}