/* ==========================================================================
   Industrial / Manufacturing Theme
   ========================================================================== */

:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #2d2d44;
    --bg-card: #252540;
    --bg-input: #1e1e36;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --accent-light: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.15);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.15);
    --border: #3d3d5c;
    --border-heavy: #4a4a6a;
    --nav-bg: #16162b;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --radius: 6px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* ---------- Navigation ---------- */

.nav-bar {
    background-color: var(--nav-bg);
    border-bottom: 3px solid var(--accent);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-brand .brand-icon {
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--bg-primary);
    font-weight: 900;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.2s, color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: var(--accent-light);
    color: var(--accent);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.nav-user .username {
    font-weight: 600;
    color: var(--text-primary);
}

/* ---------- Layout ---------- */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border);
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ---------- Cards ---------- */

.card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
}

.card-body {
    padding: 1.5rem;
}

/* ---------- Hazard Stripe ---------- */

.hazard-stripe {
    height: 6px;
    background: repeating-linear-gradient(
        -45deg,
        var(--accent),
        var(--accent) 10px,
        var(--bg-primary) 10px,
        var(--bg-primary) 20px
    );
}

/* ---------- Tables ---------- */

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-secondary);
}

thead th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-heavy);
}

tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

tbody tr:hover {
    background: var(--accent-light);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ---------- Badges ---------- */

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-get {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.4);
}

.badge-post {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.badge-active {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.4);
}

.badge-inactive {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--bg-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-heavy);
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger-hover);
    border-color: var(--danger-hover);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}

/* ---------- Forms ---------- */

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group .helptext,
.form-group .help-text {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.form-group .errorlist {
    list-style: none;
    margin-top: 0.3rem;
    padding: 0;
}

.form-group .errorlist li {
    color: var(--danger);
    font-size: 0.8rem;
    font-weight: 600;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-row .form-group {
    flex: 1;
}

/* ---------- Messages / Alerts ---------- */

.messages {
    list-style: none;
    margin-bottom: 1.5rem;
}

.messages .message {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius);
    border-left: 4px solid;
    margin-bottom: 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.messages .message.success {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
}

.messages .message.error {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.messages .message.warning {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
}

.messages .message.info {
    background: var(--info-bg);
    border-color: var(--info);
    color: var(--info);
}

/* ---------- Token Display ---------- */

.token-display {
    background: var(--bg-input);
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin: 1rem 0;
}

.token-display .token-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.token-display .token-value {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text-primary);
    word-break: break-all;
    background: var(--bg-primary);
    padding: 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.token-display .token-warning {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--danger);
    font-weight: 700;
}

/* ---------- Search & Filters ---------- */

.filters-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: end;
}

.filters-bar .form-group {
    margin-bottom: 0;
}

.filters-bar .search-input {
    min-width: 280px;
}

.filters-bar select {
    min-width: 160px;
}

/* ---------- Pagination ---------- */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 2rem;
    list-style: none;
}

.pagination .page-link {
    padding: 0.45rem 0.85rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.pagination .page-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.pagination .page-link.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.pagination .page-link.disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ---------- Detail Grid ---------- */

.detail-grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 0;
}

.detail-grid dt {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
}

.detail-grid dd {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
}

/* ---------- Login Page ---------- */

.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
}

.login-card .card-body {
    padding: 2rem;
}

.login-card .login-title {
    text-align: center;
    margin-bottom: 2rem;
}

.login-card .login-title h1 {
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.login-card .login-title p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ---------- Empty State ---------- */

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state p {
    font-size: 1rem;
    margin-bottom: 1rem;
}

/* ---------- Placeholder / Coming Soon ---------- */

.placeholder-block {
    border: 2px dashed var(--border-heavy);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    color: var(--text-muted);
}

.placeholder-block h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.5rem;
}

.placeholder-block p {
    font-size: 0.85rem;
}

/* ---------- Metrics KPI Row ---------- */

.metrics-kpi-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.metric-kpi .card-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
}

.metric-kpi .kpi-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.metric-kpi .kpi-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .metrics-kpi-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---------- Grid Layout ---------- */

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .nav-bar {
        padding: 0 1rem;
        flex-wrap: wrap;
        height: auto;
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .filters-bar {
        flex-direction: column;
    }

    .filters-bar .search-input {
        min-width: 100%;
    }

    .container {
        padding: 1rem;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .detail-grid dt {
        border-bottom: none;
        padding-bottom: 0;
    }

    .detail-grid dd {
        padding-top: 0;
    }
}

/* ---------- Utility ---------- */

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}