/**
 * AeroBase Modern Design System v2.2
 * Flaps Aviation WMS Enterprise UI Design System
 * Engineered with IBM Plex Sans & IBM Plex Mono
 */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    /* ----------------------------------------------------
       1. TYPOGRAPHY TOKENS
       ---------------------------------------------------- */
    --font-sans: 'IBM Plex Sans', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'IBM Plex Mono', 'SF Mono', Consolas, 'Liberation Mono', Menlo, Courier, monospace;

    /* ----------------------------------------------------
       2. COLOR PALETTE: AEROSPACE PRECISION PALETTE
       ---------------------------------------------------- */
    /* Primary Technical Blue */
    --color-primary-50:  #edf5ff;
    --color-primary-100: #d0e2ff;
    --color-primary-200: #a6c8ff;
    --color-primary-300: #78a9ff;
    --color-primary-400: #4589ff;
    --color-primary-500: #0f62fe; /* Core Brand Blue */
    --color-primary-600: #0043ce;
    --color-primary-700: #002d9c;
    --color-primary-800: #001d6c;
    --color-primary-900: #001141;

    /* Slate Neutral Grays */
    --color-slate-25:  #fafbfd;
    --color-slate-50:  #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    --color-slate-950: #020617;

    /* Semantic Status Accents */
    /* Serviceable / Success (Emerald) */
    --color-success-bg:     #ecfdf5;
    --color-success-border: #a7f3d0;
    --color-success-text:   #065f46;
    --color-success-core:   #10b981;
    --color-success-hover:  #059669;

    /* Warning / Critical Shelf Life (Amber) */
    --color-warning-bg:     #fffbeb;
    --color-warning-border: #fde68a;
    --color-warning-text:   #92400e;
    --color-warning-core:   #f59e0b;
    --color-warning-hover:  #d97706;

    /* Danger / Expired / Reorder (Crimson) */
    --color-danger-bg:     #fef2f2;
    --color-danger-border: #fecaca;
    --color-danger-text:   #991b1b;
    --color-danger-core:   #ef4444;
    --color-danger-hover:  #dc2626;

    /* Info / Calibration / Fleet (Sky Blue) */
    --color-info-bg:     #f0f9ff;
    --color-info-border: #bae6fd;
    --color-info-text:   #0369a1;
    --color-info-core:   #0284c7;

    /* Purple / CRM Commercial */
    --color-purple-bg:     #faf5ff;
    --color-purple-border: #e9d5ff;
    --color-purple-text:   #6b21a8;
    --color-purple-core:   #8b5cf6;

    /* ----------------------------------------------------
       3. ELEVATION & SHADOWS
       ---------------------------------------------------- */
    --shadow-subtle: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
    --shadow-card:   0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
    --shadow-hover:  0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --shadow-float:  0 20px 30px -10px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-focus:  0 0 0 3px rgba(15, 98, 254, 0.2);

    /* ----------------------------------------------------
       4. BORDER RADII SCALE
       ---------------------------------------------------- */
    --radius-xs:   4px;
    --radius-sm:   6px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --radius-pill: 9999px;

    /* ----------------------------------------------------
       5. TRANSITIONS
       ---------------------------------------------------- */
    --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ====================================================
   GLOBAL TYPOGRAPHY & RESET
   ==================================================== */
body {
    font-family: var(--font-sans) !important;
    background-color: var(--color-slate-50) !important;
    color: var(--color-slate-800);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 14px;
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-sans);
    letter-spacing: -0.015em;
    color: var(--color-slate-900);
    font-weight: 600;
}

/* IBM Plex Mono Utility Classes */
.font-mono,
.tech-mono,
code, kbd, samp, pre {
    font-family: var(--font-mono) !important;
    font-feature-settings: "zero" 1;
}

.mono-bold {
    font-family: var(--font-mono) !important;
    font-weight: 600;
}

/* ====================================================
   1. NAVIGATION & APP HEADER (DARK THEME)
   ==================================================== */
.navbar,
.app-navbar-dark {
    background: linear-gradient(135deg, #0b1120 0%, #0f172a 50%, #111d35 100%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.35) !important;
    padding: 6px 20px !important;
    min-height: 64px;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    padding: 0;
    margin-right: 28px;
}

.navbar-brand img,
.navbar-logo-img {
    height: 42px !important;
    max-height: 44px !important;
    width: auto !important;
    max-width: 190px !important;
    object-fit: contain !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
    transition: transform 0.2s ease;
}

.navbar-brand:hover img,
.navbar-brand:hover .navbar-logo-img {
    transform: translateY(-1px);
}

.navbar .nav-link {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 13.5px;
    color: #cbd5e1 !important;
    padding: 8px 14px !important;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.navbar .nav-link i {
    font-size: 13px;
    color: #94a3b8;
    transition: color 0.15s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.08) !important;
}

.navbar .nav-link:hover i,
.navbar .nav-link:focus i {
    color: #38bdf8;
}

.navbar .nav-link.active {
    color: #38bdf8 !important;
    font-weight: 600;
    background-color: rgba(56, 189, 248, 0.12) !important;
}

.navbar .nav-link.active i {
    color: #38bdf8;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.2) !important;
    color: rgba(255, 255, 255, 0.75) !important;
    padding: 6px 10px;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25) !important;
}

.navbar-toggler-icon {
    filter: invert(1) brightness(1.5);
}

/* Dark Theme Dropdown Menus */
.navbar .dropdown-menu {
    background-color: #111d35 !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05) !important;
    border-radius: var(--radius-md) !important;
    padding: 6px !important;
    font-size: 13px;
    margin-top: 6px !important;
    backdrop-filter: blur(8px);
}

.navbar .dropdown-item {
    font-weight: 500;
    padding: 8px 14px !important;
    border-radius: var(--radius-sm);
    color: #cbd5e1 !important;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
}

.navbar .dropdown-item i {
    transition: transform 0.15s ease;
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
    background-color: rgba(255, 255, 255, 0.08) !important;
    color: #ffffff !important;
}

.navbar .dropdown-item:hover i {
    transform: translateX(2px);
}

.navbar .dropdown-divider {
    border-color: rgba(255, 255, 255, 0.08) !important;
    margin: 4px 0 !important;
}

/* User Account Pill */
.navbar .user-nav-pill {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 9999px;
    padding: 6px 14px !important;
    color: #f1f5f9 !important;
    font-weight: 500;
    transition: all 0.2s ease;
}

.navbar .user-nav-pill:hover {
    background: rgba(255, 255, 255, 0.12) !important;
    border-color: rgba(56, 189, 248, 0.35);
    color: #ffffff !important;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
}

/* ====================================================
   2. HERO / PAGE HEADERS
   ==================================================== */
.page-header,
.hero-header {
    background: #ffffff !important;
    border-bottom: 1px solid var(--color-slate-200);
    padding: 18px 24px !important;
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-slate-900);
    margin-bottom: 2px;
}

.breadcrumb-item a {
    color: var(--color-slate-500);
    text-decoration: none;
    font-size: 12px;
}

.breadcrumb-item a:hover {
    color: var(--color-primary-500);
}

/* ====================================================
   3. KPI & TELEMETRY METRIC TILES
   ==================================================== */
.kpi-tile,
.card-kpi {
    background: #ffffff;
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.kpi-tile:hover,
.card-kpi:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-slate-300);
}

.kpi-tile .kpi-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-slate-500);
}

.kpi-tile .kpi-value {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-slate-900);
    line-height: 1.2;
    margin-top: 4px;
}

.kpi-tile .kpi-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ====================================================
   4. MONOSPACE TECHNICAL CHIPS & BADGES
   ==================================================== */
/* Part Number Code Chip */
.part-number,
.badge-part-no,
.badge-tech {
    font-family: var(--font-mono) !important;
    font-weight: 600;
    font-size: 12.5px;
    letter-spacing: -0.01em;
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    background-color: var(--color-slate-100);
    color: var(--color-slate-800);
    border: 1px solid var(--color-slate-300);
    display: inline-block;
}

a.part-number:hover,
a.badge-part-no:hover {
    background-color: var(--color-primary-50);
    border-color: var(--color-primary-300);
    color: var(--color-primary-600);
    text-decoration: none;
}

/* Serial & Batch Chips */
.sn-chip, .bn-chip {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    background-color: var(--color-slate-100);
    border: 1px solid var(--color-slate-200);
    color: var(--color-slate-600);
}

/* Currency & Valuation Mono Figures */
.val-figure,
.currency-mono {
    font-family: var(--font-mono) !important;
    font-weight: 600;
}

/* Coordinate Bin Tag */
.bin-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: var(--radius-xs);
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

/* ====================================================
   5. AVIATION STATUS PILLS & PILL INDICATORS
   ==================================================== */
.badge-status-serviceable {
    background-color: var(--color-success-bg) !important;
    color: var(--color-success-text) !important;
    border: 1px solid var(--color-success-border);
    font-weight: 600;
    font-size: 11.5px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.badge-status-warning {
    background-color: var(--color-warning-bg) !important;
    color: var(--color-warning-text) !important;
    border: 1px solid var(--color-warning-border);
    font-weight: 600;
    font-size: 11.5px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.badge-status-danger {
    background-color: var(--color-danger-bg) !important;
    color: var(--color-danger-text) !important;
    border: 1px solid var(--color-danger-border);
    font-weight: 600;
    font-size: 11.5px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.badge-status-info {
    background-color: var(--color-info-bg) !important;
    color: var(--color-info-text) !important;
    border: 1px solid var(--color-info-border);
    font-weight: 600;
    font-size: 11.5px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* Pulsing Status Dot */
.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.dot-success { background-color: var(--color-success-core); }
.status-dot.dot-warning { 
    background-color: var(--color-warning-core); 
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.25);
    animation: pulse 2s infinite;
}
.status-dot.dot-danger  { background-color: var(--color-danger-core); }
.status-dot.dot-info    { background-color: var(--color-info-core); }

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.15); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

/* ====================================================
   6. MODERN ENTERPRISE DATA TABLES
   ==================================================== */
.table-responsive {
    border-radius: var(--radius-md);
}

table.dataTable,
.table-modern {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    font-size: 13px !important;
}

table.dataTable thead th,
.table-modern thead th {
    background-color: var(--color-slate-100) !important;
    color: var(--color-slate-600) !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.04em !important;
    border-bottom: 1px solid var(--color-slate-300) !important;
    border-top: none !important;
    padding: 10px 14px !important;
    white-space: nowrap;
}

table.dataTable tbody td,
.table-modern tbody td {
    padding: 10px 14px !important;
    border-bottom: 1px solid var(--color-slate-200) !important;
    vertical-align: middle;
    color: var(--color-slate-800);
}

table.dataTable tbody tr:hover,
.table-modern tbody tr:hover {
    background-color: #f8fafc !important;
}

/* DataTables Controls Modernization */
.dataTables_wrapper .dataTables_filter input {
    font-family: var(--font-sans);
    font-size: 13px;
    border: 1px solid var(--color-slate-300);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    outline: none;
    transition: var(--transition-fast);
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--color-primary-500);
    box-shadow: var(--shadow-focus);
}

.dataTables_wrapper .dataTables_length select {
    font-family: var(--font-sans);
    font-size: 13px;
    border: 1px solid var(--color-slate-300);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: var(--radius-sm) !important;
    font-size: 12px;
    padding: 4px 10px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--color-primary-500) !important;
    color: #ffffff !important;
    border-color: var(--color-primary-500) !important;
    font-weight: 600;
}

/* ====================================================
   7. FORM CONTROLS & PRECISION INPUTS
   ==================================================== */
.form-label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--color-slate-700);
    margin-bottom: 5px;
}

.form-control,
.form-select {
    font-family: var(--font-sans);
    font-size: 13.5px;
    color: var(--color-slate-800);
    border: 1px solid var(--color-slate-300);
    border-radius: var(--radius-sm);
    padding: 7px 12px;
    transition: var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary-500);
    box-shadow: var(--shadow-focus);
    outline: none;
}

/* Monospace Input (For Part No, Serial No, Amounts) */
.form-control-mono,
input[name*="part_no"],
input[name*="serial_no"],
input[name*="batch_no"],
input[name*="unit_price"],
input[name*="invoice_no"],
input[name*="grn_no"] {
    font-family: var(--font-mono) !important;
    font-size: 13px;
}

/* ====================================================
   8. BUTTONS & ACTIONS
   ==================================================== */
.btn {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 13px;
    border-radius: var(--radius-sm);
    padding: 7px 16px;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-primary {
    background-color: var(--color-primary-500) !important;
    border-color: var(--color-primary-500) !important;
    color: #ffffff !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-600) !important;
    border-color: var(--color-primary-600) !important;
    box-shadow: var(--shadow-focus);
}

.btn-outline-primary {
    border-color: var(--color-primary-300) !important;
    color: var(--color-primary-600) !important;
}

.btn-outline-primary:hover {
    background-color: var(--color-primary-50) !important;
    border-color: var(--color-primary-500) !important;
    color: var(--color-primary-700) !important;
}

/* ====================================================
   9. CARDS & CONTAINERS
   ==================================================== */
.card {
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    background-color: #ffffff;
}

.card-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-slate-200);
    padding: 14px 20px;
}

.card-footer {
    background-color: var(--color-slate-50);
    border-top: 1px solid var(--color-slate-200);
    padding: 12px 20px;
}

/* ====================================================
   10. MODAL DIALOGS
   ==================================================== */
.modal-content {
    border-radius: var(--radius-lg) !important;
    border: 1px solid var(--color-slate-200) !important;
    box-shadow: var(--shadow-float) !important;
}

.modal-header {
    border-bottom: 1px solid var(--color-slate-200);
    padding: 16px 22px;
}

.modal-footer {
    border-top: 1px solid var(--color-slate-200);
    padding: 14px 22px;
}