/* ============================================================
   zet.tl — Global Design Tokens & Base Styles
   "Soft Editorial Retro" Design System
   ============================================================ */

/* ── Local @font-face Declarations ───────────────────────── */

/* Jost — geometric sans-serif for UI and subheadings (variable weight) */
@font-face {
  font-family: 'Jost';
  src: url('fonts/Jost/Jost-VF.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Jost';
  src: url('fonts/Jost/TrueType/Jost-400-BookItalic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Jost';
  src: url('fonts/Jost/TrueType/Jost-600-SemiItalic.ttf') format('truetype');
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Jost';
  src: url('fonts/Jost/TrueType/Jost-700-BoldItalic.ttf') format('truetype');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* DraftingMono — technical monospace for code and UI labels */
@font-face {
  font-family: 'DraftingMono';
  src: url('fonts/DraftingMono/woff2/DraftingMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DraftingMono';
  src: url('fonts/DraftingMono/woff2/DraftingMono-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'DraftingMono';
  src: url('fonts/DraftingMono/woff2/DraftingMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DraftingMono';
  src: url('fonts/DraftingMono/woff2/DraftingMono-MediumItalic.woff2') format('woff2');
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'DraftingMono';
  src: url('fonts/DraftingMono/woff2/DraftingMono-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DraftingMono';
  src: url('fonts/DraftingMono/woff2/DraftingMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DraftingMono';
  src: url('fonts/DraftingMono/woff2/DraftingMono-BoldItalic.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* Besley — editorial serif for body text and long-form reading */
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-Book.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-BookItalic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-MediumItalic.ttf') format('truetype');
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-Semi.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-SemiItalic.ttf') format('truetype');
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-BoldItalic.ttf') format('truetype');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Besley';
  src: url('fonts/Besley/TrueType/Besley-Heavy.ttf') format('truetype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* Marauder — display serif for h1 and large hero text */
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-MediumItalic.woff2') format('woff2');
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-BoldItalic.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Marauder';
  src: url('fonts/Marauder/webfonts/Marauder-Display-Black.woff2') format('woff2');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Colors */
  --color-bg:           #F4EFE6;
  --color-surface:      #FAF8F5;
  --color-surface-alt:  #FFFFFF;
  --color-border:       #E5DFD5;
  --color-border-soft:  #DFD9CE;

  --color-text:         #2D2A26;
  --color-text-muted:   #7A7469;
  --color-text-light:   #A89F94;

  --color-accent:       #3D6B5E;   /* muted emerald */
  --color-accent-light: #EBF4F1;
  --color-error:        #B85C4A;   /* soft terracotta-red */
  --color-error-light:  #F9EDEA;
  --color-warning:      #C47F3A;
  --color-warning-light:#FDF3E7;

  --color-online:       #4A9076;
  --color-offline:      #B85C4A;
  --color-idle:         #C47F3A;

  /* Typography */
  --font-sans:    'Jost', system-ui, -apple-system, sans-serif;
  --font-serif:   'Besley', Georgia, 'Times New Roman', serif;
  --font-display: 'Marauder', Georgia, serif;
  --font-mono:    'DraftingMono', 'ui-monospace', monospace;
  --font-pixel:   'DraftingMono', 'ui-monospace', monospace;

  --text-xs:   0.6875rem;   /* 11px */
  --text-sm:   0.8125rem;   /* 13px */
  --text-base: 1rem;        /* 16px */
  --text-lg:   1.125rem;    /* 18px */
  --text-xl:   1.375rem;    /* 22px */
  --text-2xl:  1.75rem;     /* 28px */
  --text-3xl:  2.25rem;     /* 36px */
  --text-4xl:  3rem;        /* 48px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Radii */
  --radius-sm:   0.5rem;
  --radius-md:   1rem;
  --radius-lg:   1.5rem;
  --radius-xl:   2rem;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(45,42,38,0.04), 0 1px 2px rgba(45,42,38,0.02);
  --shadow-md:  0 8px 24px rgba(45,42,38,0.06), 0 2px 8px rgba(45,42,38,0.04);
  --shadow-lg:  0 16px 48px rgba(45,42,38,0.08), 0 4px 16px rgba(45,42,38,0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --content-max: 72rem;
  --content-pad: clamp(1rem, 4vw, 2rem);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.65;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-family: var(--font-display);
}

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

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

img, svg {
  display: block;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ── Layout Utilities ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--content-pad);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

/* ── Keyframes ────────────────────────────────────────────── */
@keyframes pulse-ring {
  0%   { transform: scale(1);   opacity: 0.6; }
  70%  { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(2.2); opacity: 0; }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Dashboard Shared Layout ──────────────────────────────── */

.dashboard-body {
  background: var(--color-bg);
}

.dashboard-main {
  padding-block: var(--space-8) var(--space-16);
}

/* Header */
.dash-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.dash-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.dash-subtitle {
  font-family: var(--font-serif);
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.dash-header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  padding-top: var(--space-1);
}

.dash-time {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

/* ── Heartbeat Table ───────────────────────────────────────── */
.heartbeat-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.heartbeat-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
}

.heartbeat-table th {
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.heartbeat-table td {
  padding: var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

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

.heartbeat-table tbody tr {
  transition: background var(--transition-fast);
}

.heartbeat-table tbody tr:hover {
  background: var(--color-bg);
}

.device-name-cell {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 500;
}

.uptime-bar-wrap {
  width: 80px;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.uptime-bar {
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  transition: width 0.4s ease;
}

/* ── Skeleton Loading ─────────────────────────────────────── */
.skeleton-bar {
  display: block;
  height: 0.875rem;
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-border-soft) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  border-radius: var(--radius-pill);
  animation: skeleton-shimmer 1.4s ease infinite;
}

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

/* ── Icon Button ─────────────────────────────────────────── */
.icon-btn {
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
}

.icon-btn:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* ── Logout Button ───────────────────────────────────────── */
.logout-btn {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.logout-btn:hover {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border-soft);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 860px) {
  .widget-grid {
    grid-template-columns: 1fr;
  }

  .widget--full {
    grid-column: auto;
  }
}

@media (max-width: 540px) {
  .dash-header {
    flex-direction: column;
  }
}