/* Modern Professional Military Theme */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --bg-dark: #0f172a;       /* Slate 900 */
    --bg-panel: #1e293b;      /* Slate 800 */
    --text-main: #e2e8f0;     /* Slate 200 */
    --text-muted: #94a3b8;    /* Slate 400 */
    
    --primary-cyan: #38bdf8;  /* Sky 400 - Readable Blue */
    --accent-green: #34d399;  /* Emerald 400 */
    --alert-red: #f87171;     /* Red 400 */
    --warning-yellow: #fbbf24;
    
    --glass-border: rgba(148, 163, 184, 0.2);
    --panel-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif; /* Clean, modern font */
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Modern Card / Panel */
.glass-panel {
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
    box-shadow: var(--panel-shadow);
    border-radius: 8px; /* Softer corners */
}

/* Buttons */
.btn-cyber {
    background-color: transparent;
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    transition: all 0.2s ease;
    border-radius: 6px;
    padding: 8px 16px;
    letter-spacing: 0.5px;
}

.btn-cyber:hover {
    background-color: rgba(56, 189, 248, 0.1); /* Subtle tint */
    color: #fff;
    border-color: #7dd3fc;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

.btn-cyber-danger {
    border-color: var(--alert-red);
    color: var(--alert-red);
}

.btn-cyber-danger:hover {
    background-color: rgba(248, 113, 113, 0.1);
    color: #fff;
    border-color: #fca5a5;
}

/* Table styles */
.table-cyber {
    background-color: transparent !important;
    color: var(--text-main) !important;
}

.table-cyber thead th {
    background-color: rgba(56, 189, 248, 0.05) !important;
    color: var(--primary-cyan) !important;
    border-bottom: 1px solid var(--glass-border) !important;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table-cyber tbody tr {
    background-color: transparent !important;
    border-bottom: 1px solid var(--glass-border) !important;
}

.table-cyber tbody tr:hover {
    background-color: rgba(56, 189, 248, 0.02) !important;
}

.table-cyber td {
    background-color: transparent !important;
}

/* Fix for table-active class */
.table-cyber tr.table-active td {
    background-color: rgba(56, 189, 248, 0.1) !important;
    color: #fff !important;
}
.form-control {
    background-color: #020617; /* Very dark slate */
    border: 1px solid #334155;
    color: var(--text-main);
    border-radius: 6px;
    padding: 10px 12px;
}

.form-control:focus {
    background-color: #020617;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2); /* Focus ring */
    color: #fff;
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Fix for Date Inputs in Dark Mode */
input[type="date"] {
    color-scheme: dark; /* Forces browser to render dark calendar */
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1); /* Ensures icon is white on dark background */
    cursor: pointer;
    opacity: 0.8;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Navbar */
.navbar-custom {
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.navbar-brand {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    color: var(--primary-cyan) !important;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--text-muted) !important;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-cyan) !important;
}

/* Cards */
.card-personnel {
    background-color: var(--bg-panel);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
    overflow: hidden;
}

.card-personnel:hover {
    transform: translateY(-2px);
    box-shadow: var(--panel-shadow);
    border-color: var(--primary-cyan);
}

.rank-badge {
    background-color: rgba(52, 211, 153, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(52, 211, 153, 0.3);
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.5px;
}

/* Table */
.table-cyber {
    color: var(--text-main);
}
.table-cyber thead th {
    border-bottom: 2px solid #334155;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding-bottom: 1rem;
}
.table-cyber td {
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #334155;
}
.table-cyber tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Consistent dark theme for common UI boxes */
.card, .modal-content, .list-group-item, .dropdown-menu, .offcanvas, .toast, .accordion-item, .accordion-header, .accordion-button {
    background-color: var(--bg-panel) !important;
    color: var(--text-main) !important;
    border-color: var(--glass-border) !important;
}
.list-group-item-action:hover, .dropdown-item:hover {
    background-color: rgba(56, 189, 248, 0.06) !important;
    color: #fff !important;
}
.modal-header, .modal-footer {
    border-color: var(--glass-border) !important;
}
.dropdown-item, .list-group-item {
    color: var(--text-main) !important;
}
.badge.bg-light, .bg-white {
    background-color: var(--bg-panel) !important;
    color: var(--text-main) !important;
}

/* Utilities */
.text-cyan { color: var(--primary-cyan) !important; }
.text-green { color: var(--accent-green) !important; }
.text-red { color: var(--alert-red) !important; }
.text-warning { color: var(--warning-yellow) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-white { color: #fff !important; }

.bg-tech {
    background-color: var(--bg-dark);
    /* Subtle mesh gradient instead of image */
    background-image: radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.05) 0px, transparent 50%),
                      radial-gradient(at 100% 100%, rgba(52, 211, 153, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
}

/* Mobile tweaks */
@media (max-width: 576px) {
    .glass-panel {
        border-radius: 10px;
    }
    .btn-cyber {
        padding: 12px 16px;
        font-size: 0.95rem;
    }
    .navbar-brand {
        font-size: 1.25rem;
    }
    .table-cyber td,
    .table-cyber th {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
.card-personnel {
    margin-bottom: 0.75rem;
}
}

/* Mobile Responsiveness (enhanced) */
@media (max-width: 767.98px) {
    .navbar-brand {
        font-size: 1.2rem !important;
    }
    .form-control {
        padding: 12px 14px !important;
        font-size: 1rem !important;
    }
    .table-responsive {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
    .glass-panel {
        padding: 1.25rem !important;
    }
    h2 {
        font-size: 1.5rem !important;
    }
}