/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
    --color-primary: #05164d;
    --color-primary-hover: #0a1d3d;
    --color-primary-light: #e8ecf4;
    --color-accent: #a0a8b8;
    --color-accent-hover: #8a92a4;
    --color-accent-light: #eef0f4;
    --color-danger: #c41e1e;
    --color-danger-light: #fce8e8;
    --color-success: #1a7a3a;
    --color-success-light: #e2f5e9;
    --color-warning: #c48a00;
    --color-warning-light: #fef5d9;
    --color-gray-50: #f7f8fa;
    --color-gray-100: #eef0f4;
    --color-gray-200: #dde0e7;
    --color-gray-300: #c4c8d2;
    --color-gray-400: #8d92a0;
    --color-gray-500: #636879;
    --color-gray-600: #474c5c;
    --color-gray-700: #333849;
    --color-gray-800: #1e2235;
    --color-gray-900: #0f1220;
    --color-white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.btn-outline {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline:hover:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

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

/* ========================================
   Forms
   ======================================== */

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(5, 22, 77, 0.15);
}

.form-group input::placeholder {
    color: var(--color-gray-400);
}

.input-with-clear {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.input-with-clear input {
    flex: 1;
    min-width: 0;
}

.input-with-clear .btn {
    flex: 0 0 auto;
    white-space: nowrap;
}

.error-message {
    margin-top: 12px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-danger);
    background-color: var(--color-danger-light);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

/* ========================================
   Login Page
   ======================================== */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #05164d 0%, #0a2a6e 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 6px;
}

.login-header p {
    color: var(--color-gray-500);
    font-size: 15px;
}

#loginForm .btn-primary {
    margin-top: 8px;
    padding: 12px 20px;
    font-size: 15px;
}

/* ========================================
   Navbar
   ======================================== */

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background-color: var(--color-primary);
    border-bottom: none;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
}

.user-icon {
    color: rgba(255, 255, 255, 0.7);
    font-size: 10px;
}

.role-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

/* ========================================
   Dashboard Layout
   ======================================== */

.dashboard-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* ========================================
   Tab Bar
   ======================================== */

.tab-bar {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--color-gray-200);
    margin-bottom: 32px;
}

.tab-btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-500);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--transition);
}

.tab-btn:hover {
    color: var(--color-gray-700);
    background-color: var(--color-gray-50);
}

.tab-btn.active {
    color: var(--color-white);
    background-color: var(--color-gray-600);
    border-bottom-color: var(--color-primary);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

/* ========================================
   Tab Panels / Upload Zone
   ======================================== */

.panel-header {
    margin-bottom: 24px;
}

.panel-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 4px;
}

.panel-header p {
    font-size: 14px;
    color: var(--color-gray-500);
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.upload-card {
    display: flex;
    flex-direction: column;
}

.upload-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 10px;
    text-align: center;
}

.cr-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 28px;
}

.cr-error-container,
.lic-error-container {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    padding: 12px 16px;
    background-color: var(--color-danger-light);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: var(--radius-sm);
}

.cr-error-text,
.lic-error-text {
    flex: 1;
    font-size: 14px;
    color: var(--color-danger);
    white-space: pre-wrap;
    word-break: break-word;
}

.cr-error-copy,
.lic-error-copy {
    flex-shrink: 0;
}

.panel-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.upload-zone {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-md);
    padding: 28px 16px;
    text-align: center;
    background-color: var(--color-white);
    transition: all var(--transition);
    cursor: pointer;
}

.upload-zone:hover {
    border-color: var(--color-gray-400);
    background-color: var(--color-gray-50);
}

.upload-zone.file-loaded {
    border-color: var(--color-success);
    background-color: var(--color-success-light);
    border-style: solid;
}

.upload-zone.drag-over {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
    border-style: solid;
}

.upload-zone.uploading {
    opacity: 0.7;
    pointer-events: none;
}

.upload-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.upload-icon {
    color: var(--color-gray-400);
    margin-bottom: 4px;
}

.upload-zone:hover .upload-icon,
.upload-zone.drag-over .upload-icon {
    color: var(--color-primary);
}

.upload-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-gray-700);
}

.upload-subtext {
    font-size: 13px;
    color: var(--color-gray-400);
}

.upload-browse-btn {
    cursor: pointer;
}

.upload-hint {
    font-size: 12px;
    color: var(--color-gray-400);
    margin-top: 4px;
}

/* ========================================
   Upload Status
   ======================================== */

.upload-status {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.upload-status.file-selected {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid var(--color-gray-200);
    word-break: break-all;
    text-align: center;
}

.upload-status.success {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.upload-status.error {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.upload-status.uploading {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
    border: 1px solid rgba(217, 119, 6, 0.2);
}

.status-content {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ========================================
   Danger Button
   ======================================== */

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

.btn-danger:hover:not(:disabled) {
    background-color: #a31818;
    border-color: #a31818;
}

/* ========================================
   Modal
   ======================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-gray-700);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
}

.success-message {
    margin-top: 12px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-success);
    background-color: var(--color-success-light);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(22, 163, 74, 0.2);
}

/* ========================================
   Form Select & Checkbox
   ======================================== */

.form-select {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(5, 22, 77, 0.15);
}

.checkbox-group {
    display: flex;
    gap: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-700);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

/* ========================================
   Users Table
   ======================================== */

.users-toolbar {
    margin-bottom: 16px;
}

.users-table-wrap {
    overflow-x: auto;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.users-table th,
.users-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.users-table th {
    font-weight: 600;
    color: var(--color-gray-600);
    background-color: var(--color-gray-50);
    white-space: nowrap;
}

.users-table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.users-table td:last-child {
    white-space: nowrap;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .upload-grid {
        grid-template-columns: 1fr;
    }

    .cr-fields {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .login-card {
        padding: 28px 24px;
    }

    .navbar {
        padding: 0 16px;
    }

    .dashboard-container {
        padding: 20px 16px;
    }

    .upload-zone {
        padding: 24px 12px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 13px;
    }
}