/* ========================================
   Global Styles - Joitex Fiber ISP System
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
    /* NOC Technical Color Palette (HSL based) */
    --primary-h: 215;
    --primary-s: 89%;
    --primary-l: 45%;
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --primary-dark: hsl(var(--primary-h), var(--primary-s), 35%);
    --primary-light: hsl(var(--primary-h), var(--primary-s), 95%);

    /* NOC Technical Accent Colors */
    --noc-cyan: #06b6d4;
    --noc-emerald: #10b981;
    --noc-amber: #f59e0b;
    --noc-rose: #f43f5e;
    --noc-indigo: #6366f1;

    /* Role-based Colors (Technical Matrix) */
    --color-admin: #2563eb;
    --color-callcenter: #0d9488;
    --color-sales: #4f46e5;
    --color-salesexec: #6366f1;
    --color-engineer: #f97316;
    --color-inventory: #9333ea;
    --color-network: #059669;
    --color-finance: #d97706;

    /* High-Density Layout Dimensions */
    --sidebar-width: 235px;
    --sidebar-collapsed-width: 68px;
    --header-height: 54px;
    --footer-height: 42px;

    /* Compact Density Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.4rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;

    /* Technical Typography */
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    /* Technical Shadows & Sharp Borders */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.12);
    --shadow-inner: inset 0 1px 2px rgba(0, 0, 0, 0.06);

    /* Compact Border Radius */
    --radius-sm: 0.35rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(226, 232, 240, 0.8);
    --glass-blur: 8px;

    /* Default (Light) Theme Fallback Variables */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #cbd5e1;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #020617;
    --bg-tertiary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --glass-bg: rgba(15, 23, 42, 0.92);
    --glass-border: rgba(51, 65, 85, 0.6);
}

[data-theme="light"], :root:not([data-theme="dark"]) {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #cbd5e1;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(226, 232, 240, 0.8);
}

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

body {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.35rem;
}

h5 {
    font-size: 1.1rem;
}

h6 {
    font-size: 0.9rem;
}

p {
    margin-bottom: var(--spacing-md);
}

/* Links */
a {
    color: var(--color-info);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-info);
    opacity: 0.8;
}

/* Buttons */
.btn {
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}

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

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

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

/* Role-specific Button Colors with subtle gradients */
.btn-admin {
    background: linear-gradient(135deg, var(--color-admin), hsl(210, 100%, 35%));
    color: white;
}

.btn-callcenter {
    background: linear-gradient(135deg, var(--color-callcenter), hsl(175, 84%, 22%));
    color: white;
}

.btn-sales {
    background: linear-gradient(135deg, var(--color-sales), hsl(245, 82%, 45%));
    color: white;
}

.btn-engineer {
    background: linear-gradient(135deg, var(--color-engineer), hsl(25, 95%, 43%));
    color: white;
}

.btn-inventory {
    background: linear-gradient(135deg, var(--color-inventory), hsl(270, 85%, 48%));
    color: white;
}

.btn-network {
    background: linear-gradient(135deg, var(--color-network), hsl(142, 69%, 35%));
    color: white;
}

.btn-finance {
    background: linear-gradient(135deg, var(--color-finance), hsl(38, 92%, 40%));
    color: white;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

/* Status Badges */
.badge {
    padding: 0.45rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-heading);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}

.badge-pending {
    background-color: hsla(38, 92%, 50%, 0.1);
    color: hsl(38, 92%, 40%);
}

.badge-forwarded {
    background-color: hsla(215, 90%, 50%, 0.1);
    color: hsl(215, 90%, 45%);
}

.badge-feasible {
    background-color: hsla(142, 72%, 40%, 0.1);
    color: hsl(142, 72%, 35%);
}

.badge-not-feasible {
    background-color: hsla(0, 84%, 60%, 0.1);
    color: hsl(0, 84%, 55%);
}

.badge-open {
    background-color: hsla(250, 89%, 60%, 0.1);
    color: hsl(250, 89%, 55%);
}

.badge-in-progress {
    background-color: hsla(25, 95%, 53%, 0.1);
    color: hsl(25, 95%, 48%);
}

.badge-installed {
    background-color: hsla(142, 69%, 45%, 0.1);
    color: hsl(142, 69%, 35%);
}

.badge-closed {
    background-color: hsla(215, 15%, 50%, 0.1);
    color: hsl(215, 15%, 40%);
}

.badge-success {
    background-color: hsla(142, 72%, 40%, 0.1);
    color: hsl(142, 72%, 35%);
}

.badge-error {
    background-color: hsla(0, 84%, 60%, 0.1);
    color: hsl(0, 84%, 55%);
}

.badge-warning {
    background-color: hsla(35, 92%, 50%, 0.1);
    color: hsl(35, 92%, 45%);
}

.badge-info {
    background-color: hsla(215, 90%, 50%, 0.1);
    color: hsl(215, 90%, 45%);
}

/* Tables */
.table-container {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-family: var(--font-heading);
}

.table tbody tr {
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:last-child {
    border-bottom: none;
}

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

.table td {
    padding: 1.15rem var(--spacing-md);
    vertical-align: middle;
    color: var(--text-primary);
    font-size: 0.9rem;
}

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

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-base);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-info);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

.form-control.is-invalid {
    border-color: var(--color-error);
}

.form-control.is-valid {
    border-color: var(--color-success);
}

.invalid-feedback,
.valid-feedback {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* Input Groups */
.input-group-text {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Alerts */
.alert {
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: none;
    display: flex;
    align-items: center;
}

.alert i {
    font-size: 1.25rem;
}

/* Modals */
.modal-content {
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

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

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

/* Tooltips */
.tooltip-inner {
    background-color: #1f2937;
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-sm);
}

/* Dropdowns */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
}

/* Pagination */
.pagination {
    gap: var(--spacing-xs);
}

.page-link {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    transition: all 0.2s ease;
}

.page-link:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.page-item.active .page-link {
    background-color: var(--color-info);
    border-color: var(--color-info);
}

/* Breadcrumbs */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-item+.breadcrumb-item::before {
    content: "›";
    font-size: 1.25rem;
}

/* Spinners & Loaders */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-sm);
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: var(--spacing-md);
}

.skeleton-card {
    height: 200px;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Utility Classes */
.text-xs {
    font-size: var(--font-size-xs);
}

.text-sm {
    font-size: var(--font-size-sm);
}

.text-lg {
    font-size: var(--font-size-lg);
}

.text-xl {
    font-size: var(--font-size-xl);
}

.fw-medium {
    font-weight: 500;
}

.fw-semibold {
    font-weight: 600;
}

.cursor-pointer {
    cursor: pointer;
}

.user-select-none {
    user-select: none;
}

/* Responsive Utilities */
@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

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

    .table {
        font-size: var(--font-size-sm);
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        background-color: white;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Visible */
*:focus-visible {
    outline: 2px solid var(--color-info);
    outline-offset: 2px;
}

/* ========================================
   High Contrast Notifications & Feedback
   ======================================== */
.toast-container .toast {
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25), 0 4px 10px rgba(0, 0, 0, 0.15) !important;
    border-radius: 0.75rem !important;
    font-weight: 600 !important;
    font-size: 0.9375rem !important;
    padding: 0.25rem 0.5rem !important;
    opacity: 1 !important;
}

.toast.bg-success {
    background-color: #15803d !important;
    color: #ffffff !important;
}

.toast.bg-danger, .toast.bg-error {
    background-color: #b91c1c !important;
    color: #ffffff !important;
}

.toast.bg-warning {
    background-color: #d97706 !important;
    color: #ffffff !important;
}

.toast.bg-info {
    background-color: #0284c7 !important;
    color: #ffffff !important;
}

.toast .toast-body {
    color: #ffffff !important;
    font-weight: 600 !important;
}

/* High Contrast Header & User Menu Elements */
.header-action {
    color: #334155 !important;
    background-color: #f1f5f9 !important;
    border: 1px solid #cbd5e1 !important;
}

[data-theme="dark"] .header-action {
    color: #f8fafc !important;
    background-color: #1e293b !important;
    border: 1px solid #334155 !important;
}

.user-name {
    color: #0f172a !important;
    font-weight: 700 !important;
}

[data-theme="dark"] .user-name {
    color: #f8fafc !important;
}

.user-role {
    color: #475569 !important;
    font-weight: 600 !important;
}

[data-theme="dark"] .user-role {
    color: #94a3b8 !important;
}

.user-avatar {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%) !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    border: 2px solid #ffffff !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15) !important;
}

/* Export & Card Action Buttons Visibility */
.btn-export, .btn-outline-secondary, a.btn-outline-secondary, button.btn-outline-secondary {
    color: #1e293b !important;
    background-color: #f8fafc !important;
    border: 1px solid #cbd5e1 !important;
    font-weight: 600 !important;
}

.btn-export:hover, .btn-outline-secondary:hover {
    background-color: #2563eb !important;
    color: #ffffff !important;
    border-color: #2563eb !important;
}

[data-theme="dark"] .btn-export, [data-theme="dark"] .btn-outline-secondary {
    color: #f8fafc !important;
    background-color: #1e293b !important;
    border-color: #475569 !important;
}


/* Transitions */
.transition-all {
    transition: all 0.2s ease;
}

.transition-colors {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}