/* Deep Harbor Theme - Professional FinOps */
:root {
    /* Color Palette */
    --bg-depth: #0b1219;
    --bg-surface: #15202b;
    --bg-surface-hover: #1c2a38;
    --primary: #0077B6; /* Cerulean */
    --primary-glow: rgba(0, 119, 182, 0.4);
    --accent: #48CAE4;
    --danger: #D97D54; /* Rust */
    --text-main: #E0E1DD;
    --text-muted: #9CA3AF; /* Muted Grey */
    --border-subtle: #273445;
    
    /* Typography */
    --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Overrides for PicoCSS variables */
    --pico-background-color: var(--bg-depth);
    --pico-card-background-color: var(--bg-surface);
    --pico-color: var(--text-main);
    --pico-muted-color: var(--text-muted);
    --pico-primary: var(--primary);
    --pico-primary-hover: #0096C7;
    --pico-primary-inverse: #ffffff;
    --pico-border-color: var(--border-subtle);
    --pico-card-border-color: var(--border-subtle);
    --pico-form-element-border-color: #2d3b4f;
    --pico-form-element-background-color: #0b1219;
    --pico-font-family: var(--font-heading);
}

/* Global Styles */
body {
    background-color: var(--bg-depth);
    color: var(--text-main);
    font-family: var(--font-heading);
    margin: 0;
    display: flex; /* Sidebar layout */
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: -0.5px;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

/* Sidebar "Control Deck" */
.sidebar {
    width: 260px;
    background-color: var(--bg-depth);
    border-right: 1px solid var(--border-subtle);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 2rem 1.5rem; /* Increased padding */
    border-bottom: 1px solid rgba(255,255,255,0.05); /* Subtle bottom border */
}

.sidebar nav {
    flex: 1;
    padding: 1rem 0;
}

.sidebar nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar nav ul li a {
    color: var(--text-muted);
    font-size: 14px;
    padding: 0.75rem 1.5rem;
    display: block;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
    border-left: 3px solid transparent;
}

.sidebar nav ul li a i {
    opacity: 0.7;
    transition: opacity 0.2s;
}

.sidebar nav ul li a:hover {
    color: white;
}

.sidebar nav ul li a:hover i {
    opacity: 1.0;
}

.sidebar nav ul li a.active {
    background: linear-gradient(90deg, rgba(0,119,182,0.1) 0%, transparent 100%);
    border-left-color: var(--primary); /* Using Primary instead of Accent for consistency with request */
    color: white;
}

.sidebar nav ul li a.active i {
    opacity: 1.0;
    color: var(--accent);
}

.sidebar-footer {
    padding: 1rem;
    /* Removed border-top, now handled by card style */
}

.status-card {
    background-color: rgba(0,0,0,0.2);
    border-radius: 8px;
    padding: 1rem;
    margin: 0 1rem 1rem 1rem;
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: 260px; /* Width of sidebar */
    padding: 2.5rem;
    width: calc(100% - 260px);
}

/* Hull Plating Cards */
article, .card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    box-shadow: none;
    transition: all 0.2s ease-in-out;
    border-radius: 6px;
    margin-bottom: 2rem;
    padding: 1.5rem;
}

article:hover, .card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

article header, .card-header {
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.25rem 1.5rem;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em; /* Tracking wider */
    font-weight: 600;
    color: var(--text-muted);
    margin: -1.5rem -1.5rem 1.5rem -1.5rem;
    background-color: transparent;
}

article .card-body {
    padding: 0;
}

/* Input Fields */
input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
textarea,
select {
    background-color: var(--bg-depth) !important;
    border: 1px solid #2d3b4f !important;
    color: var(--text-main) !important;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px var(--primary-glow) !important;
    outline: none;
}

/* Sonar Buttons */
button, .btn {
    border-radius: 4px;
    transition: all 0.2s ease-in-out;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    width: auto; /* Intrinsic width */
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

button.primary, .btn-primary {
    background-color: rgba(0, 119, 182, 0.08);
    border: 1px solid var(--primary);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

button.primary:hover, .btn-primary:hover {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 0 12px rgba(0, 119, 182, 0.3);
}

button.primary:active, .btn-primary:active, .btn-danger:active {
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
    transform: translateY(1px);
}

button.danger, .btn-danger {
    background-color: rgba(217, 125, 84, 0.08);
    border: 1px solid var(--danger);
    color: var(--danger);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

button.danger:hover, .btn-danger:hover {
    background-color: var(--danger);
    color: white;
    box-shadow: 0 0 12px rgba(217, 125, 84, 0.3);
}

button.danger:active, .btn-danger:active {
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
    transform: translateY(1px);
}

button.ghost, .btn-ghost {
    background-color: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
}

button.ghost:hover, .btn-ghost:hover {
    border-color: white;
    color: white;
}

button.outline {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}
button.outline:hover {
    background-color: var(--primary);
    color: white;
}

/* Manifest Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 0;
}

thead th {
    position: sticky;
    top: 0;
    background-color: var(--bg-surface); /* Solid background for sticky */
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    z-index: 10;
    text-align: left;
}

tbody tr {
    font-family: var(--font-heading); /* Default font */
    height: 40px; /* Compact density */
    transition: background-color 0.2s ease-in-out;
}

tbody tr:nth-child(even) {
    background-color: rgba(255,255,255, 0.02);
}

tbody tr:hover {
    background-color: var(--bg-surface-hover);
}

tbody td {
    border-bottom: 1px solid var(--border-subtle);
    padding: 1rem 1.5rem;
    vertical-align: middle;
    color: var(--text-main);
    font-size: 0.9rem;
}

/* Column specific */
td.image-id, .font-mono, td[data-col="repository"], td[data-col="tag"], td[data-col="size"], td[data-col="id"] {
    font-family: var(--font-mono);
    color: var(--accent);
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    body {
        flex-direction: column;
    }

    .mobile-header {
        display: flex !important;
    }

    .sidebar {
        width: 100%;
        height: auto;
        max-height: 0;
        position: fixed;
        top: 60px; /* Below mobile header */
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        transition: max-height 0.3s ease-in-out;
        overflow: hidden;
    }

    .sidebar.open {
        max-height: 100vh;
        overflow-y: auto;
    }

    .sidebar-header, .sidebar-footer {
        display: none;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 1.5rem;
    }

    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }

    .top-actions {
        flex-wrap: wrap;
        gap: 0.5rem !important;
    }

    input[type="text"] {
        width: 100% !important;
    }
}

/* Tags Pills */
.tag-pill {
    background-color: #243342;
    color: var(--text-main);
    border-radius: 12px;
    padding: 4px 10px;
    font-size: 0.75rem;
    display: inline-block;
    font-family: var(--font-mono);
    margin: 2px 4px 2px 0;
}

/* Toggle Pill Switch */
.toggle-pill {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.toggle-pill input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-track {
    width: 44px;
    height: 24px;
    background-color: var(--bg-surface-hover);
    border: 1px solid var(--border-subtle);
    border-radius: 99px;
    transition: .4s;
    position: relative;
}

.toggle-thumb {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-muted);
    border-radius: 50%;
    transition: .4s;
}

input:checked + .toggle-track {
    background-color: var(--primary);
    border-color: var(--primary);
}

input:checked + .toggle-track .toggle-thumb {
    transform: translateX(20px);
    background-color: white;
}

.toggle-label {
    margin-left: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Tabs */
.tabs {
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.tab-item {
    padding: 0.75rem 0;
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
}

.tab-item:hover {
    color: white;
}

.tab-item.active {
    color: white;
    border-bottom-color: var(--accent);
}

/* Status Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.badge.active {
    background-color: rgba(74, 222, 128, 0.1);
    color: #4ade80; /* bright green */
    border: 1px solid #4ade80;
}

.badge.active::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #4ade80;
}

.badge.quarantined, .badge.dangling, .badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid #f59e0b;
}

.badge.quarantined::before, .badge.dangling::before, .badge-warning::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #f59e0b;
}

.badge.deleted, .badge-danger {
    background-color: rgba(217, 125, 84, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.badge.deleted::before, .badge-danger::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--danger);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid #10b981;
}

.badge-danger {
    background-color: rgba(217, 125, 84, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.badge-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid #3b82f6;
}

.badge-secondary {
    background-color: rgba(107, 114, 128, 0.1);
    color: #9CA3AF;
    border: 1px solid var(--border-subtle);
}

.badge-muted {
    background-color: rgba(55, 65, 81, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

/* Progress Bar */
.htmx-request .progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent);
    z-index: 9999;
    box-shadow: 0 0 10px var(--accent);
}

/* Terminal Style */
.terminal-window {
    background-color: #000000;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 1.5rem;
    font-family: var(--font-mono);
    color: #4ade80; /* Terminal green */
    margin-bottom: 1.5rem;
}

/* Utilities */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }

/* Form Spacing */
label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-weight: 500;
}

/* Paragraph Spacing */
p {
    margin-bottom: 1.25rem;
}

/* Button Group Spacing */
.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

button + button,
.btn + .btn {
    margin-left: 0.75rem;
}

/* Section Spacing */
section {
    margin-bottom: 2.5rem;
}

/* Table Container Spacing */
.table-container {
    margin-bottom: 1.5rem;
}