/* =========================================
   T.R.I.M. DESIGN SYSTEM v2.0
   Technical Records & Inventory Management
   ========================================= */

:root {
    /* --- 1. T.R.I.M. IDENTITY PALETTE --- */
    --admiral-navy:    #1E3A8A; /* Global Nav, Headers */
    --cockpit-slate:   #334155; /* Secondary Text */
    
    --afterburner-blue:#3B82F6; /* Primary Actions */
    --afterburner-hover:#2563EB;
    
    --no-go-red:       #DC2626; /* AOG, Critical */
    --check-amber:     #D97706; /* Warning, Expiring */
    --airworthy-green: #059669; /* Released, Serviceable */
    
    --hangar-gray:     #F8FAFC; /* Main App Background */
    --turbine-silver:  #E2E8F0; /* Borders, Dividers */
    --white:           #FFFFFF;
    
    /* --- 2. LEGACY MAPPING (Keeps your existing HTML working) --- */
    --primary:     var(--afterburner-blue);
    --secondary:   var(--admiral-navy);     /* Sidebar is now Navy */
    --success:     var(--airworthy-green);
    --warning:     var(--check-amber);
    --danger:      var(--no-go-red);
    --light-bg:    var(--hangar-gray);
    --border:      var(--turbine-silver);
    --text-main:   #1E293B;                 /* Dark Slate for better contrast */
    --text-light:  var(--cockpit-slate);
    
    /* --- 3. DIMENSIONS & SHADOWS --- */
    --sidebar-width: 260px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    
    /* --- 4. FONTS --- */
    --font-authority:  'Inter', sans-serif;
    --font-precision:  'JetBrains Mono', monospace;
}

* { box-sizing: border-box; outline: none; }

body {
    background-color: var(--light-bg);
    font-family: var(--font-authority);
    color: var(--text-main);
    margin: 0;
    display: flex;
    height: 100vh;
    overflow: hidden;
    font-size: 13px; /* Slightly tighter for enterprise data */
    -webkit-font-smoothing: antialiased;
}

/* --- UTILITIES (NEW) --- */
.font-mono { font-family: var(--font-precision) !important; letter-spacing: -0.5px; }
.text-navy { color: var(--admiral-navy) !important; }
.text-red { color: var(--no-go-red) !important; }
.text-green { color: var(--airworthy-green) !important; }

/* --- SIDEBAR (Updated to Admiral Navy) --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--admiral-navy); /* Brand Color */
    color: var(--white);
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
    z-index: 100;
    border-right: 1px solid #172554;
}

.brand {
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    background: rgba(0,0,0,0.2); /* Darker overlay */
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.brand h2 { 
    margin: 0; 
    font-size: 18px; 
    font-weight: 800; /* Bold Authority */
    letter-spacing: 1px; 
    text-transform: uppercase;
}
.brand i { margin-right: 10px; color: #60A5FA; } /* Lighter blue icon */

.nav-menu { padding: 20px 0; flex: 1; overflow-y: auto; }
.nav-item {
    display: flex;
    align-items: center;
    padding: 10px 24px;
    color: #94A3B8; /* Slate 400 */
    text-decoration: none;
    transition: 0.2s;
    border-left: 3px solid transparent;
    font-weight: 500;
}
.nav-item:hover, .nav-item.active {
    background: rgba(255,255,255,0.05);
    color: var(--white);
    border-left-color: #60A5FA;
}
.nav-item i { width: 25px; font-size: 16px; margin-right: 8px; }

/* --- MAIN LAYOUT --- */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--light-bg);
}

/* TOP BAR */
.topbar {
    height: 64px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 25px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.page-title { 
    font-size: 18px; 
    font-weight: 700; 
    color: var(--admiral-navy); 
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-controls { display: flex; align-items: center; gap: 20px; }
.search-bar {
    background: var(--light-bg);
    padding: 6px 15px;
    border-radius: 6px; /* Squarer */
    display: flex; align-items: center;
    border: 1px solid var(--border);
}
.search-bar input { border: none; background: transparent; margin-left: 10px; width: 200px; font-size: 13px; }

/* CONTENT AREA */
.content-area {
    flex: 1;
    padding: 25px;
    overflow-y: auto;
}

/* --- DASHBOARD WIDGETS --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card {
    background: var(--white);
    padding: 20px;
    border-radius: 6px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}
.kpi-card:hover { transform: translateY(-2px); border-color: var(--afterburner-blue); }

.kpi-icon {
    width: 48px; height: 48px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    margin-right: 15px;
}
.bg-blue { background: #EFF6FF; color: var(--afterburner-blue); }
.bg-green { background: #ECFDF5; color: var(--airworthy-green); }
.bg-red { background: #FEF2F2; color: var(--no-go-red); }
.bg-orange { background: #FFFBEB; color: var(--check-amber); }

.kpi-data h3 { margin: 0; font-size: 24px; font-weight: 700; color: var(--admiral-navy); font-family: var(--font-precision); }
.kpi-data p { margin: 0; color: var(--text-light); font-size: 11px; text-transform: uppercase; font-weight: 700; letter-spacing: 0.5px; }

/* --- DATA TABLES (T.R.I.M. Standard) --- */
.table-card {
    background: var(--white);
    border-radius: 6px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 25px;
}
.table-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    background: #F8FAFC;
    display: flex; justify-content: space-between; align-items: center;
}
.table-header h3 { 
    margin: 0; font-size: 14px; 
    font-weight: 700; 
    color: var(--admiral-navy); 
    text-transform: uppercase; 
    letter-spacing: 0.5px; 
}

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
    background: #F1F5F9;
    text-align: left;
    padding: 10px 15px;
    font-weight: 700;
    color: #475569;
    font-size: 11px;
    text-transform: uppercase;
    border-bottom: 2px solid var(--border);
    letter-spacing: 0.5px;
}
.data-table td {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    color: var(--text-main);
}
.data-table tr:hover { background-color: #F8FAFC; }
.data-table tr:last-child td { border-bottom: none; }

/* --- STATUS BADGES (Traffic Light System) --- */
.status-badge {
    padding: 3px 8px;
    border-radius: 4px; /* Rectangular for industrial look */
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}
.status-badge.green, .status-badge.closed { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.status-badge.red, .status-badge.open { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.status-badge.orange, .status-badge.monitor { background: #FFFBEB; color: #92400E; border: 1px solid #FDE68A; }
.status-badge.blue { background: #EFF6FF; color: #1E40AF; border: 1px solid #BFDBFE; }

/* --- BUTTONS (T.R.I.M. Industrial) --- */
.btn {
    padding: 8px 16px;
    border-radius: 4px; /* Sharp corners */
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: 0.2s;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex; align-items: center; gap: 8px; justify-content: center;
}
.btn-primary { 
    background: var(--afterburner-blue); 
    color: var(--white); 
    border-color: var(--afterburner-blue); 
}
.btn-primary:hover { background: var(--afterburner-hover); }

.btn-outline { 
    background: white; 
    border: 1px solid var(--border); 
    color: var(--cockpit-slate); 
}
.btn-outline:hover { 
    border-color: var(--cockpit-slate); 
    background: #F8FAFC; 
}

.btn-danger {
    background: white;
    color: var(--no-go-red);
    border: 1px solid #FECACA;
}
.btn-danger:hover {
    background: #FEF2F2;
    border-color: var(--no-go-red);
}

/* --- FORM ELEMENTS (Enterprise) --- */
.form-group { margin-bottom: 20px; }
.form-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: #64748B;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-input, .form-select {
    width: 100%;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--admiral-navy);
    background: #FFFFFF;
    border: 1px solid #CBD5E1;
    border-radius: 4px;
    font-family: var(--font-authority);
    transition: all 0.2s;
}
.form-input:focus, .form-select:focus {
    border-color: var(--afterburner-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .sidebar { position: fixed; left: -260px; height: 100%; }
    .sidebar.open { left: 0; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .topbar { padding: 0 15px; }
}

/* --- INFO CARDS (For Fleet/Profile) --- */
.info-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

/* =========================================
   MODAL FIXES (Preserved & Styled)
   ========================================= */

.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.7); /* Darker Navy tint */
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex; justify-content: center; align-items: center; padding: 20px;
    animation: fadeIn 0.2s ease-out;
}

.modal-card {
    background: white; 
    border-radius: 8px; 
    border: 1px solid var(--border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 100%; max-width: 850px;
    
    /* SCROLL LOGIC */
    max-height: 90vh !important; 
    display: flex !important;
    flex-direction: column !important;
    animation: popIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.modal-header {
    background: #F8FAFC;
    padding: 15px 25px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    flex-shrink: 0 !important;
}
.modal-header h3 {
    margin: 0; font-size: 16px; font-weight: 700; color: var(--admiral-navy);
    text-transform: uppercase;
}
.close-btn {
    background: transparent; border: none; font-size: 20px; color: #94A3B8; cursor: pointer;
}
.close-btn:hover { color: var(--no-go-red); }

.modal-body {
    flex: 1 1 auto !important;
    overflow-y: auto !important;
    min-height: 0 !important;
    padding: 25px;
}

.modal-footer {
    background: #F8FAFC;
    padding: 15px 25px;
    border-top: 1px solid var(--border);
    display: flex; justify-content: flex-end; gap: 10px;
    flex-shrink: 0 !important;
}

/* Fix for form inside modal */
.modal-card > form {
    display: flex !important;
    flex-direction: column !important;
    flex: 1 1 auto !important;
    min-height: 0 !important;
    overflow: hidden !important;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn { from { transform: scale(0.98); opacity: 0; } to { transform: scale(1); opacity: 1; } }