/* ═════════════════════════════════════════════════════════════════════
   Refined Industrial — UI Redesign
   Clean network ops aesthetic: crisp cards, subtle depth, monospace data
   ═════════════════════════════════════════════════════════════════════ */

/* ── Typography ───────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&family=DM+Mono:wght@400;500&display=swap');

:root {
    --font-sans: 'DM Sans', 'Instrument Sans', system-ui, sans-serif;
    --font-mono: 'DM Mono', 'JetBrains Mono', monospace;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 6px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.03);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.06), 0 4px 10px rgba(0,0,0,0.03);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.08), 0 8px 20px rgba(0,0,0,0.04);
    --surface-elevated: hsl(var(--background));
    --surface-inset: hsl(var(--muted));
}

/* ── Global reset ─────────────────────────────────────────── */
html, body {
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
    overflow-x: hidden;
}

/* ── Fix weird containers - full width ───────────────────── */
.main-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    flex: 1;
}

.main-shell > main {
    flex: 1;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.page {
    padding: 1.5rem;
    max-width: 100%;
    width: 100%;
}

/* ── Page layout ──────────────────────────────────────────── */

.page-header {
    margin-bottom: 1.75rem;
}

.page-heading {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.page-icon {
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius);
    background: hsl(var(--primary) / 0.08);
    color: hsl(var(--primary));
    font-size: 1.2rem;
}

.eyebrow {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: hsl(var(--muted-foreground));
    margin: 0 0 0.125rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: hsl(var(--foreground));
    letter-spacing: -0.02em;
}

/* ── Panel / Card ─────────────────────────────────────────── */
.panel {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border) / 0.6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.25rem;
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.panel:hover {
    box-shadow: var(--shadow);
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid hsl(var(--border) / 0.4);
    background: hsl(var(--card));
}

.panel-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: hsl(var(--foreground));
    margin: 0;
    letter-spacing: -0.01em;
}

/* ── Toolbar card ─────────────────────────────────────────── */
.toolbar-card {
    padding: 1rem 1.25rem;
}

.toolbar-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 0.75rem 1rem;
}

.toolbar-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

/* ── Field spans ──────────────────────────────────────────── */
.field-span-1 { grid-column: span 1; }
.field-span-2 { grid-column: span 2; }
.field-span-3 { grid-column: span 3; }
.field-span-4 { grid-column: span 4; }
.field-span-5 { grid-column: span 5; }
.field-span-6 { grid-column: span 6; }
.field-span-7 { grid-column: span 7; }
.field-span-8 { grid-column: span 8; }
.field-span-9 { grid-column: span 9; }
.field-span-10 { grid-column: span 10; }
.field-span-11 { grid-column: span 11; }
.field-span-12 { grid-column: span 12; }

/* ── Form elements ────────────────────────────────────────── */
.label {
    display: block;
    font-size: 0.775rem;
    font-weight: 500;
    color: hsl(var(--foreground) / 0.7);
    margin-bottom: 0.3rem;
    letter-spacing: -0.01em;
}

.input, .select, textarea.input {
    width: 100%;
    padding: 0.55rem 0.75rem;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    color: hsl(var(--foreground));
    background: hsl(var(--background));
    border: 1px solid hsl(var(--input));
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-shadow: var(--shadow-xs);
}

.input:focus, .select:focus, textarea.input:focus {
    border-color: hsl(var(--ring) / 0.4);
    box-shadow: 0 0 0 3px hsl(var(--ring) / 0.08);
}

.input::placeholder {
    color: hsl(var(--muted-foreground) / 0.5);
}

textarea.input {
    resize: vertical;
    min-height: 60px;
}

select.select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    padding-right: 2rem;
    cursor: pointer;
}

/* ── Buttons ──────────────────────────────────────────────── */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    font-size: 0.825rem;
    font-weight: 500;
    font-family: var(--font-sans);
    letter-spacing: -0.01em;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.button-primary {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
    font-weight: 600;
}

.button-primary:hover {
    opacity: 0.88;
    box-shadow: var(--shadow-sm);
}

.button-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.775rem;
}

.button-lg {
    padding: 0.65rem 1.35rem;
    font-size: 0.9rem;
}

.button-ghost {
    background: transparent;
    border-color: hsl(var(--border));
    color: hsl(var(--foreground));
}

.button-ghost:hover {
    background: hsl(var(--accent));
}

.button-danger {
    background: hsl(var(--destructive));
    color: hsl(var(--destructive-foreground));
    border-color: hsl(var(--destructive));
}

.button-danger:hover {
    opacity: 0.88;
}

.form-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding-top: 0.25rem;
}

/* ── Table ────────────────────────────────────────────────── */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead th {
    text-align: left;
    padding: 0.625rem 1rem;
    font-size: 0.725rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: hsl(var(--muted-foreground));
    background: hsl(var(--muted) / 0.5);
    border-bottom: 1px solid hsl(var(--border));
}

tbody td {
    padding: 0.625rem 1rem;
    border-bottom: 1px solid hsl(var(--border) / 0.4);
    color: hsl(var(--foreground));
    vertical-align: middle;
}

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

tbody tr:hover td {
    background: hsl(var(--accent) / 0.3);
}

.empty-state {
    text-align: center;
    padding: 2.5rem !important;
    color: hsl(var(--muted-foreground));
    font-size: 0.85rem;
}

/* ── Status pills ─────────────────────────────────────────── */
.status-pill {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.status-pill-active, .status-pill-paid {
    background: hsl(var(--success-soft));
    color: hsl(var(--success));
}

.status-pill-inactive, .status-pill-cancelled {
    background: hsl(var(--rose-soft));
    color: hsl(var(--destructive));
}

.status-pill-pending {
    background: hsl(var(--warning-soft));
    color: hsl(var(--warning));
}

/* ── Fieldset grouping ────────────────────────────────────── */
.fieldset {
    border: 1px solid hsl(var(--border) / 0.5);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    background: hsl(var(--background) / 0.5);
    grid-column: span 12;
}

.fieldset-legend {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: hsl(var(--muted-foreground));
    padding: 0 0.5rem;
    margin-bottom: 0.75rem;
    display: block;
}

.fieldset-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 0.75rem 1rem;
}

/* ── Tabs ─────────────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 1.25rem;
    background: hsl(var(--muted));
    border-radius: var(--radius);
    padding: 3px;
}

.tabs .button {
    border-radius: calc(var(--radius) - 2px);
    background: transparent;
    border: none;
    color: hsl(var(--muted-foreground));
}
.tabs .button.active-tab {
    background: hsl(var(--background));
    color: hsl(var(--foreground));
    box-shadow: var(--shadow-xs);
    font-weight: 600;
}

/* ── Code / mono tags ─────────────────────────────────────── */
code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: hsl(var(--muted));
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    letter-spacing: -0.02em;
}

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.modal-content {
    background: hsl(var(--card));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 520px;
    width: 92%;
    max-height: 82vh;
    overflow-y: auto;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
    background: hsl(var(--card));
    border-right: 1px solid hsl(var(--border) / 0.5);
    box-shadow: var(--shadow-md);
    z-index: 100;
}

.sidebar-brand {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid hsl(var(--border) / 0.4);
}

.sidebar-brand-link {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
}

.sidebar-logo img {
    width: 34px; height: 34px;
    border-radius: var(--radius-sm);
}

.sidebar-eyebrow {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: hsl(var(--muted-foreground));
    margin: 0;
}

.sidebar-brand-copy h1 {
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0;
    color: hsl(var(--foreground));
    letter-spacing: -0.01em;
}

.sidebar-brand-note {
    font-size: 0.675rem;
    color: hsl(var(--muted-foreground));
    margin: 0;
}

.sidebar-nav {
    padding: 0.5rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.sidebar-nav a,
.sidebar-nav button {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.825rem;
    font-weight: 500;
    color: hsl(var(--foreground) / 0.75);
    text-decoration: none;
    transition: all 0.12s;
    letter-spacing: -0.01em;
}

.sidebar-nav a:hover,
.sidebar-nav button:hover {
    background: hsl(var(--accent));
    color: hsl(var(--foreground));
}

.sidebar-nav a.active,
.sidebar-nav button.active {
    background: hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
    font-weight: 600;
}

.sidebar-nav a.active::before {
    content: '';
    position: absolute;
    left: 0;
    width: 3px;
    height: 20px;
    background: hsl(var(--primary));
    border-radius: 0 3px 3px 0;
}

.sidebar-nav .nav-group-title {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: hsl(var(--muted-foreground));
    padding: 0.75rem 0.75rem 0.25rem;
}

/* ── Dashboard stat cards ─────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border) / 0.6);
    border-radius: var(--radius-lg);
    padding: 1.125rem 1.25rem;
    box-shadow: var(--shadow-xs);
    transition: box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.stat-card:hover {
    box-shadow: var(--shadow);
}

.stat-card-label {
    font-size: 0.675rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: hsl(var(--muted-foreground));
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: hsl(var(--foreground));
    letter-spacing: -0.02em;
    line-height: 1;
}

.stat-card-sub {
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
}

/* ── Toast ────────────────────────────────────────────────── */
.toast-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius);
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border) / 0.5);
    box-shadow: var(--shadow-md);
    margin-bottom: 0.5rem;
    animation: toastSlideIn 0.3s ease;
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast-success { border-left: 3px solid hsl(var(--success)); }
.toast-error { border-left: 3px solid hsl(var(--destructive)); }
.toast-warning { border-left: 3px solid hsl(var(--warning)); }
.toast-info { border-left: 3px solid hsl(var(--info)); }

/* ── Inline form card ─────────────────────────────────────── */
.form-card {
    background: hsl(var(--surface-inset));
    border: 1px solid hsl(var(--border) / 0.5);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.form-card .fieldset {
    background: hsl(var(--card));
    margin-bottom: 0.75rem;
}

.form-card .fieldset:last-child {
    margin-bottom: 0;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .toolbar-grid,
    .fieldset-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    .page { padding: 1rem; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .toolbar-grid,
    .fieldset-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    .field-span-1, .field-span-2, .field-span-3, .field-span-4,
    .field-span-5, .field-span-6, .field-span-7, .field-span-8,
    .field-span-9, .field-span-10, .field-span-11, .field-span-12 {
        grid-column: span 1;
    }
    .page { padding: 0.75rem; }
    .page-header { margin-bottom: 1rem; }
    .page-title { font-size: 1.2rem; }
    .panel-head { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .stat-card-value { font-size: 1.35rem; }
    table { font-size: 0.775rem; }
    thead th, tbody td { padding: 0.5rem 0.5rem; }
    .tabs { flex-wrap: wrap; }
    .sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 200; transform: translateX(-100%); transition: transform 0.25s; }
    .sidebar.open { transform: translateX(0); }
    .sidebar-backdrop { display: block; }
}

@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
    .button { padding: 0.4rem 0.7rem; font-size: 0.775rem; }
    .button-lg { padding: 0.5rem 1rem; font-size: 0.85rem; }
}

/* ── Utility ──────────────────────────────────────────────── */
.muted { color: hsl(var(--muted-foreground)); font-size: 0.85rem; }
.small { font-size: 0.775rem; }
.mono { font-family: var(--font-mono); }