/* ============================================================
   QuickMesh design tokens — single source of truth.
   Imported by layout.html <head>. Reference via var(--token).
   ============================================================ */

:root {
    /* Brand + neutrals */
    --primary-color: #6366f1;
    --primary-strong: #4f46e5;
    --primary-soft: #eef2ff;
    --bg-color: #fafafa;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --text-color: #0a0a0a;
    --text-muted: #666666;
    --border-color: #ececec;
    --accent-green: #059669;
    --accent-orange: #ea580c;
    --accent-red: #dc2626;
    --accent-amber: #d97706;
    --accent-slate: #64748b;

    /* Status palette — used by .badge.is-* and .status-dot */
    --status-active-fg:    #047857;
    --status-active-bg:    #ecfdf5;
    --status-active-dot:   #10b981;
    --status-pending-fg:   #b45309;
    --status-pending-bg:   #fffbeb;
    --status-pending-dot:  #f59e0b;
    --status-offline-fg:   #475569;
    --status-offline-bg:   #f1f5f9;
    --status-offline-dot:  #94a3b8;
    --status-failed-fg:    #b91c1c;
    --status-failed-bg:    #fef2f2;
    --status-failed-dot:   #ef4444;
    --status-cancelled-fg: #6b7280;
    --status-cancelled-bg: #f3f4f6;
    --status-cancelled-dot:#9ca3af;
    --status-info-fg:      #1d4ed8;
    --status-info-bg:      #eff6ff;
    --status-info-dot:     #3b82f6;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --text-xs:  12px;
    --text-sm:  13px;
    --text-base:14px;
    --text-md:  16px;
    --text-lg:  18px;
    --text-xl:  20px;
    --text-2xl: 24px;
    --text-3xl: 28px;
    --weight-regular: 400;
    --weight-medium:  500;
    --weight-semibold:600;
    --weight-bold:    700;

    /* Spacing scale (4-px base) */
    --space-1:  4px;
    --space-2:  8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10:40px;
    --space-12:48px;

    /* Radius + shadow */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg: 12px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.10), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-focus: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

/* ============================================================
   Canonical status badge — single component, modifier-driven.
   Usage: <span class="badge is-active">Active</span>
   Optional dot:  <span class="badge is-active has-dot">Active</span>
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    line-height: 1.5;
    white-space: nowrap;
    background: var(--status-offline-bg);
    color: var(--status-offline-fg);
}

.badge.has-dot::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
    opacity: 0.9;
}

.badge.is-active    { background: var(--status-active-bg);    color: var(--status-active-fg); }
.badge.is-pending   { background: var(--status-pending-bg);   color: var(--status-pending-fg); }
.badge.is-offline   { background: var(--status-offline-bg);   color: var(--status-offline-fg); }
.badge.is-failed    { background: var(--status-failed-bg);    color: var(--status-failed-fg); }
.badge.is-cancelled { background: var(--status-cancelled-bg); color: var(--status-cancelled-fg); }
.badge.is-info      { background: var(--status-info-bg);      color: var(--status-info-fg); }

/* Legacy aliases — keep existing pages working while we migrate */
.badge-success { background: var(--status-active-bg);  color: var(--status-active-fg); }
.badge-warning { background: var(--status-pending-bg); color: var(--status-pending-fg); }
.badge-info    { background: var(--status-info-bg);    color: var(--status-info-fg); }
.badge-muted   { background: var(--status-offline-bg); color: var(--status-offline-fg); }
.badge-danger  { background: var(--status-failed-bg);  color: var(--status-failed-fg); }

/* ============================================================
   Canonical form field.
   Usage:
     <div class="field">
       <label for="x">Label</label>
       <input class="input" type="text" id="x" name="x">
       <div class="field-hint">helper text</div>
       <div class="field-error">error text</div>
     </div>
   ============================================================ */

.field {
    margin-bottom: var(--space-5);
}

.field > label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.input,
.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="number"],
.field input[type="url"],
.field input[type="search"],
.field input[type="tel"],
.field select,
.field textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-color);
    font-family: inherit;
    font-size: var(--text-base);
    line-height: 1.5;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    -webkit-appearance: none;
    appearance: none;
}

.input:focus,
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-focus);
}

.input::placeholder,
.field input::placeholder,
.field textarea::placeholder {
    color: #a3a3a3;
}

.input[aria-invalid="true"],
.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"],
.input.is-invalid {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.field-hint {
    margin-top: var(--space-1);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.field-error {
    margin-top: var(--space-1);
    font-size: var(--text-sm);
    color: var(--accent-red);
    font-weight: var(--weight-medium);
}

/* ============================================================
   Empty state — single look across every "nothing here yet" cell.
   Usage:
     <div class="empty-state">
       <div class="empty-state-icon"><i class="ph ph-laptop"></i></div>
       <h3 class="empty-state-title">No people yet</h3>
       <p class="empty-state-body">Add your first user to start issuing access.</p>
       <a class="btn btn-primary" href="/users/add">Add User</a>
     </div>
   Inside a table cell, wrap with <td colspan="N"> and the layout still works.
   ============================================================ */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-3);
    padding: var(--space-12) var(--space-6);
    color: var(--text-muted);
}

.empty-state-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary-color);
    display: grid;
    place-items: center;
    font-size: 28px;
}

.empty-state-title {
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
    color: var(--text-color);
    margin: 0;
    letter-spacing: -0.01em;
}

.empty-state-body {
    margin: 0;
    max-width: 38ch;
    font-size: var(--text-base);
    line-height: 1.5;
}

.empty-state .btn {
    margin-top: var(--space-2);
}
