/* ===== VARIABLES CSS ===== */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --secondary-color: #6b7280;
    
    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --text-color: #111827;
    --text-muted: #6b7280;
    
    --navbar-height: 60px;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    --border-radius: 8px;
    --box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* ===== NAVIGATION ===== */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    height: var(--navbar-height);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--box-shadow);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: all 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--bg-color);
    color: var(--primary-color);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-name {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.btn-logout {
    text-decoration: none;
    color: var(--danger-color);
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: background-color 0.2s;
}

.btn-logout:hover {
    background-color: #fee2e2;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    min-height: calc(100vh - var(--navbar-height) - 60px);
    padding: var(--spacing-xl) 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== PAGE HEADER ===== */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.page-header .text-muted {
    font-size: 1rem;
    color: var(--text-muted);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    margin-bottom: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ===== FLASH MESSAGES ===== */
.flash-messages {
    max-width: 1400px;
    margin: 0 auto var(--spacing-lg);
    padding: 0 var(--spacing-lg);
}

.flash {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flash-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.flash-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

.flash-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

.flash-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-left: 4px solid var(--info-color);
}

.flash-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
}

.flash-close:hover {
    opacity: 1;
}

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

.kpi-card {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.kpi-icon {
    font-size: 2.5rem;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
}

.kpi-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.kpi-urgent {
    border-left: 4px solid var(--danger-color);
}

.kpi-warning {
    border-left: 4px solid var(--warning-color);
}

/* ===== SECTIONS ===== */
.section {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 1.5rem;
}

/* ===== TABLES ===== */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background-color: var(--bg-color);
    border-bottom: 2px solid var(--border-color);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

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

.table tbody tr.row-danger {
    background-color: #fee2e2;
}

.table tbody tr.row-warning {
    background-color: #fef3c7;
}

.table-footer {
    margin-top: var(--spacing-md);
    text-align: right;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    white-space: nowrap;
}

.badge-sm {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
}

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

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

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

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

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

.badge-secondary {
    background-color: #f3f4f6;
    color: #4b5563;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

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

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

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

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

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

.btn-outline:hover {
    background-color: var(--bg-color);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* ===== FILTERS ===== */
.filters-section {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-lg);
}

.filters-form {
    width: 100%;
}

.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.filter-group {
    flex: 1;
    min-width: 180px;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* ===== CARDS ===== */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

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

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-lg);
}

/* ===== COMPANY DETAIL ===== */
.company-header {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-xl);
}

.company-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    align-items: center;
}

.company-details-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-xl);
}

.company-sidebar {
    display: flex;
    flex-direction: column;
}

.contact-detail {
    padding: var(--spacing-sm) 0;
    color: var(--text-color);
}

.contact-detail a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-detail a:hover {
    text-decoration: underline;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--text-muted);
}

.stat-value {
    font-weight: 600;
}

.contact-info {
    display: flex;
    flex-direction: column;
}

/* ===== VISA DETAIL ===== */
.visa-header {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.visa-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.visa-detail-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-xl);
}

.visa-sidebar {
    display: flex;
    flex-direction: column;
}

.detail-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.detail-value {
    color: var(--text-color);
}

.deadline-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

.deadline-item:last-child {
    border-bottom: none;
}

.deadline-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.deadline-value {
    display: block;
    font-weight: 600;
}

.deadline-urgent {
    background-color: #fee2e2;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

/* ===== CHECKLIST ===== */
.checklist {
    display: flex;
    flex-direction: column;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.checklist-icon {
    font-size: 1.2rem;
}

.checklist-done {
    color: var(--success-color);
}

.checklist-missing {
    color: var(--danger-color);
}

/* ===== ACTIONS ===== */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ===== TIMELINE ===== */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-lg);
}

.timeline-marker {
    position: absolute;
    left: -25px;
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--card-bg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 12px;
    bottom: -12px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-event {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.timeline-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== MESSAGES ===== */
.messages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message-item {
    background-color: var(--bg-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.message-body {
    margin-bottom: var(--spacing-sm);
}

.message-footer {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== LOGIN PAGE ===== */
.login-page {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-lg);
}

.login-box {
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.login-header p {
    color: var(--text-muted);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-color);
}

.form-group input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

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

.login-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== UTILITIES ===== */
.text-muted {
    color: var(--text-muted);
}

.text-success {
    color: var(--success-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-center {
    text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .company-details-grid,
    .visa-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md);
    }
    
    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .nav-menu a {
        width: 100%;
        text-align: center;
    }
    
    .nav-user {
        width: 100%;
        justify-content: center;
        margin-top: var(--spacing-md);
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-row {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}