/* ===================================
   VINTAGE AVIATION DESIGN SYSTEM
   Flight Logbook Custom Styles
   =================================== */

:root {
    /* Color Palette */
    --aviation-cream: #F5F1E8;
    --aviation-brown: #3E2723;
    --aviation-bronze: #CD7F32;
    --aviation-brass: #B5A642;
    --aviation-green: #4A5D4F;
    --aviation-red: #8B2E2E;
    --aviation-blue: #2C4A6B;
    --aviation-leather: #8B6F47;
    --panel-gray: #3A3A3A;

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-data: 'IBM Plex Mono', monospace;
    --font-body: 'Crimson Pro', serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Effects */
    --shadow-sm: 0 2px 4px rgba(62, 39, 35, 0.1);
    --shadow-md: 0 4px 8px rgba(62, 39, 35, 0.15);
    --shadow-lg: 0 8px 16px rgba(62, 39, 35, 0.2);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ===================================
   GLOBAL STYLES
   =================================== */

body {
    background-color: var(--aviation-cream);
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(62, 39, 35, 0.02) 2px,
            rgba(62, 39, 35, 0.02) 4px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(62, 39, 35, 0.02) 2px,
            rgba(62, 39, 35, 0.02) 4px
        );
    font-family: var(--font-body);
    color: var(--aviation-brown);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--aviation-brown);
    letter-spacing: 0.5px;
}

/* ===================================
   NAVIGATION BAR
   =================================== */

.navbar-dark {
    background: linear-gradient(135deg, #2A2A2A 0%, var(--panel-gray) 100%) !important;
    border-bottom: 3px solid var(--aviation-bronze);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    padding: 1rem 0;
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--aviation-brass) !important;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: #E0E0E0 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--aviation-brass) !important;
}

.nav-link.active {
    color: var(--aviation-bronze) !important;
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--aviation-bronze);
}

/* ===================================
   STAT CARDS - CIRCULAR GAUGES
   =================================== */

.stat-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #F5F1E8 100%);
    border: none;
    border-radius: 50%;
    width: 160px;
    height: 160px;
    margin: 0 auto;
    box-shadow:
        var(--shadow-md),
        inset 0 0 0 4px var(--aviation-bronze),
        inset 0 0 0 6px rgba(245, 241, 232, 0.8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: visible;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        var(--aviation-bronze) 0deg,
        transparent 10deg,
        transparent 350deg,
        var(--aviation-bronze) 360deg
    );
    opacity: 0.3;
    z-index: -1;
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow:
        var(--shadow-lg),
        inset 0 0 0 4px var(--aviation-brass),
        inset 0 0 0 6px rgba(245, 241, 232, 0.8),
        0 0 20px rgba(205, 127, 50, 0.4);
}

.stat-card .card-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    height: 100%;
}

.stat-card .card-subtitle {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--aviation-leather);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    text-align: center;
}

.stat-card .card-title {
    font-family: var(--font-data);
    font-size: 2rem;
    font-weight: 700;
    color: var(--aviation-brown);
    margin: 0;
    line-height: 1;
}

.stat-card .card-text {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--aviation-green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

/* ===================================
   STANDARD CARDS & PANELS
   =================================== */

.card {
    background: linear-gradient(135deg, #FFFFFF 0%, #FAFAF8 100%);
    border: 2px solid var(--aviation-bronze);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--aviation-bronze) 0%,
        var(--aviation-brass) 50%,
        var(--aviation-bronze) 100%
    );
}

.card-header {
    background: linear-gradient(135deg, var(--panel-gray) 0%, #2A2A2A 100%);
    border-bottom: 2px solid var(--aviation-bronze);
    padding: 1rem 1.5rem;
}

.card-header h5 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--aviation-brass);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--aviation-blue) 0%, #1E3A5F 100%) !important;
}

.card-header.bg-info {
    background: linear-gradient(135deg, var(--aviation-green) 0%, #3A4D3F 100%) !important;
}

.card-header.bg-success {
    background: linear-gradient(135deg, var(--aviation-green) 0%, #2D4D3D 100%) !important;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, var(--aviation-brass) 0%, #9A8835 100%) !important;
}

.card-body {
    padding: 1.5rem;
    font-family: var(--font-body);
}

.card-body h6 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--aviation-brown);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   BADGES - OCTAGONAL STATUS LIGHTS
   =================================== */

.badge {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5em 1em;
    letter-spacing: 1px;
    border-radius: 4px;
    text-transform: uppercase;
    position: relative;
    clip-path: polygon(
        20% 0%,
        80% 0%,
        100% 20%,
        100% 80%,
        80% 100%,
        20% 100%,
        0% 80%,
        0% 20%
    );
}

.badge.bg-success {
    background: var(--aviation-green) !important;
    box-shadow: 0 0 10px rgba(74, 93, 79, 0.5);
}

.badge.bg-danger {
    background: var(--aviation-red) !important;
    box-shadow: 0 0 10px rgba(139, 46, 46, 0.5);
}

.badge.bg-warning {
    background: var(--aviation-brass) !important;
    color: var(--aviation-brown) !important;
    box-shadow: 0 0 10px rgba(181, 166, 66, 0.5);
}

.badge.bg-secondary {
    background: var(--aviation-leather) !important;
}

.badge.bg-info {
    background: var(--aviation-blue) !important;
}

.badge.bg-primary {
    background: var(--aviation-blue) !important;
}

/* ===================================
   PROGRESS BARS - LINEAR GAUGES
   =================================== */

.progress {
    height: 32px;
    background: linear-gradient(180deg, #E5E5E5 0%, #D0D0D0 100%);
    border: 2px solid var(--aviation-bronze);
    border-radius: 4px;
    box-shadow: var(--shadow-inset);
    position: relative;
    overflow: visible;
}

.progress::before,
.progress::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(62, 39, 35, 0.2);
}

.progress::before {
    left: 33.33%;
}

.progress::after {
    left: 66.66%;
}

.progress-bar {
    background: linear-gradient(180deg, var(--aviation-green) 0%, #3A4D3F 100%);
    font-family: var(--font-data);
    font-size: 0.85rem;
    font-weight: 600;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.progress-bar.bg-success {
    background: linear-gradient(180deg, var(--aviation-green) 0%, #3A4D3F 100%) !important;
}

.progress-bar.bg-danger {
    background: linear-gradient(180deg, var(--aviation-red) 0%, #6B2222 100%) !important;
}

.progress-bar.bg-warning {
    background: linear-gradient(180deg, var(--aviation-brass) 0%, #9A8835 100%) !important;
    color: var(--aviation-brown) !important;
}

/* ===================================
   TABLES
   =================================== */

.table {
    background: #FFFFFF;
    border: 2px solid var(--aviation-bronze);
    font-family: var(--font-body);
}

.table thead th {
    background: linear-gradient(135deg, var(--panel-gray) 0%, #2A2A2A 100%);
    border-bottom: 3px solid var(--aviation-bronze);
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--aviation-brass);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 1rem;
}

.table tbody td {
    font-family: var(--font-data);
    font-size: 0.9rem;
    color: var(--aviation-brown);
    padding: 0.75rem 1rem;
    border-color: rgba(205, 127, 50, 0.2);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: rgba(245, 241, 232, 0.3);
}

.table tbody tr:hover {
    background: rgba(205, 127, 50, 0.1);
}

.table-sm {
    font-size: 0.85rem;
}

.table-bordered {
    border: 2px solid var(--aviation-bronze);
}

/* ===================================
   CHARTS
   =================================== */

canvas {
    max-height: 400px;
    filter: drop-shadow(0 4px 8px rgba(62, 39, 35, 0.1));
}

/* ===================================
   UTILITY CLASSES
   =================================== */

.text-muted {
    color: var(--aviation-leather) !important;
}

.text-success {
    color: var(--aviation-green) !important;
}

.text-warning {
    color: var(--aviation-brass) !important;
}

.text-danger {
    color: var(--aviation-red) !important;
}

small {
    font-family: var(--font-body);
    font-size: 0.85rem;
}

/* Page Title */
h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--aviation-brown);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--aviation-bronze);
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes gaugeNeedle {
    0% {
        transform: rotate(-45deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* Add subtle fade-in animation for stat cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Stagger animation for each stat card */
.col-md-2:nth-child(1) .stat-card { animation-delay: 0.1s; }
.col-md-2:nth-child(2) .stat-card { animation-delay: 0.2s; }
.col-md-2:nth-child(3) .stat-card { animation-delay: 0.3s; }
.col-md-2:nth-child(4) .stat-card { animation-delay: 0.4s; }
.col-md-2:nth-child(5) .stat-card { animation-delay: 0.5s; }
.col-md-2:nth-child(6) .stat-card { animation-delay: 0.6s; }

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
    .stat-card {
        width: 140px;
        height: 140px;
    }

    .stat-card .card-title {
        font-size: 1.75rem;
    }

    .stat-card .card-subtitle {
        font-size: 0.6rem;
    }

    .stat-card .card-text {
        font-size: 0.65rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    .card-header h5 {
        font-size: 0.95rem;
    }

    canvas {
        max-height: 300px;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .nav-link {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .stat-card {
        width: 130px;
        height: 130px;
    }

    .stat-card .card-title {
        font-size: 1.5rem;
    }
}