frontend/app/globals.css

@tailwind base;
@tailwind components;
@tailwind utilities;

/* ─── Design Tokens (Strict Minimalist Light Theme: White & Dark Grey Only) ─── */
:root {
  --bg-base: #ffffff;        /* Pure White */
  --bg-surface: #ffffff;     /* Pure White */
  --bg-elevated: #ffffff;    /* Pure White */
  --bg-overlay: rgba(255, 255, 255, 0.95);

  --accent-primary: #18181b;   /* Zinc 900 / Dark Grey */
  --accent-cyan: #27272a;      /* Zinc 800 */
  --accent-indigo: #27272a;
  --accent-emerald: #18181b;
  --accent-amber: #3f3f46;
  --accent-rose: #18181b;

  --border-subtle: #f4f4f5;    /* Zinc 100 */
  --border-medium: #e4e4e7;    /* Zinc 200 */
  --border-strong: #d4d4d8;    /* Zinc 300 */

  --text-primary: #18181b;     /* Zinc 900 - Dark Grey */
  --text-secondary: #3f3f46;   /* Zinc 700 - Medium Dark Grey */
  --text-muted: #71717a;       /* Zinc 500 - Medium Grey */
  --text-faint: #a1a1aa;       /* Zinc 400 - Light Grey */

  --glow-blue: 0 4px 20px rgba(24, 24, 27, 0.03);
  --glow-cyan: 0 4px 20px rgba(24, 24, 27, 0.03);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-3xl: 32px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.font-mono, code, pre, .mono {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(113, 113, 122, 0.2);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(113, 113, 122, 0.35);
}

/* ─── Glass Components ─── */
.glass {
  background: #ffffff;
  border: 1px solid var(--border-medium);
}

.glass-panel {
  background: #ffffff;
  border: 1px solid var(--border-medium);
}

.glass-card {
  background: #ffffff;
  border: 1px solid var(--border-medium);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  border-color: var(--border-strong);
  background: #ffffff;
  transform: translateY(-0.5px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

/* ─── Card Glow Variants (Clean zinc shadows) ─── */
.card-glow-blue,
.card-glow-cyan,
.card-glow-emerald,
.card-glow-amber,
.card-glow-rose {
  box-shadow: 0 4px 20px rgba(24, 24, 27, 0.02);
}

/* ─── Gradient Text ─── */
.gradient-text,
.gradient-text-blue,
.gradient-text-cyan {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Buttons ─── */
.btn-primary {
  background: var(--text-primary);
  color: white;
  font-weight: 650;
  border: 1px solid var(--text-primary);
  border-radius: var(--radius-lg);
  padding: 10px 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: #27272a;
  border-color: #27272a;
  transform: translateY(-0.5px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { background: #e4e4e7; border-color: #e4e4e7; color: #a1a1aa; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-ghost {
  background: #ffffff;
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-ghost:hover {
  background: #f4f4f5;
  border-color: var(--border-strong);
  color: var(--text-primary);
}

/* ─── Form Inputs ─── */
.input-field {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0 14px;
  height: 40px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: all 0.15s ease;
  outline: none;
}

.input-field::placeholder { color: var(--text-muted); }

.input-field:focus {
  border-color: var(--text-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(24, 24, 27, 0.05);
}

select.input-field option {
  background: #ffffff;
  color: var(--text-primary);
}

/* Chrome Autofill Styling Override */
.input-field:-webkit-autofill,
.input-field:-webkit-autofill:hover, 
.input-field:-webkit-autofill:focus, 
.input-field:-webkit-autofill:active {
  -webkit-text-fill-color: var(--text-primary) !important;
  -webkit-box-shadow: 0 0 0px 1000px #ffffff inset !important;
  box-shadow: 0 0 0px 1000px #ffffff inset !important;
  transition: background-color 5000s ease-in-out 0s;
}

/* Hide native Chrome autofill key/card icons to prevent overlap with Lucide icons */
.input-field::-webkit-contacts-auto-fill-button, 
.input-field::-webkit-credentials-auto-fill-button {
  visibility: hidden;
  display: none !important;
  pointer-events: none;
}

/* ─── Status Badges (Strict Minimalist Grays) ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.01em;
  background: #f4f4f5;
  color: #27272a;
  border: 1px solid #e4e4e7;
}

.badge-emerald,
.badge-blue,
.badge-indigo,
.badge-slate {
  background: #f4f4f5;
  color: #18181b;
  border: 1px solid #e4e4e7;
}

.badge-amber {
  background: #fffbeb;
  color: #78350f;
  border: 1px solid #fef3c7;
}

.badge-rose {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fee2e2;
}

/* ─── Dividers ─── */
.divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 0;
}

/* ─── Ambient Background Effects (Hidden for strict minimalism) ─── */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: #ffffff;
}

/* ─── Grid Mesh Background (Minimalist) ─── */
.mesh-bg {
  background-image:
    linear-gradient(rgba(24, 24, 27, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 24, 27, 0.01) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ─── Kiosk Scanner Laser ─── */
@keyframes scan-line {
  0%   { top: 0%; opacity: 1; }
  48%  { opacity: 1; }
  50%  { top: 100%; opacity: 0; }
  51%  { top: 0%; opacity: 0; }
  52%  { opacity: 1; }
  100% { top: 100%; opacity: 1; }
}

.scanner-laser {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: linear-gradient(90deg, transparent 0%, rgba(24, 24, 27, 0.5) 30%, rgba(24, 24, 27, 0.5) 70%, transparent 100%);
  box-shadow: 0 0 8px rgba(24, 24, 27, 0.15);
  animation: scan-line 3s cubic-bezier(0.4,0,0.6,1) infinite;
}

/* ─── Fade In Animation ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fadeInUp {
  animation: fadeInUp 0.35s cubic-bezier(0.4,0,0.2,1) both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-fade-in {
  animation: fadeIn 0.25s ease both;
}

/* ─── Pulse Ring ─── */
@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}

.pulse-ring::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-ring 1.5s ease infinite;
}

/* ─── Loading Skeleton ─── */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.skeleton {
  background: linear-gradient(90deg, rgba(24, 24, 27, 0.02) 25%, rgba(24, 24, 27, 0.05) 50%, rgba(24, 24, 27, 0.02) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ─── Page Transition ─── */
.page-enter {
  animation: fadeInUp 0.3s cubic-bezier(0.4,0,0.2,1) both;
}

/* ─── Sidebar Active Indicator ─── */
.nav-active-dot {
  width: 3px;
  height: 24px;
  border-radius: 99px;
  background: var(--text-primary);
}

/* ─── Table Styles ─── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead tr {
  border-bottom: 1px solid var(--border-medium);
}

.data-table thead th {
  padding: 12px 20px;
  font-size: 10px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  background: #f4f4f5;
}

.data-table tbody tr {
  border-bottom: 1px solid rgba(24, 24, 27, 0.04);
  transition: background 0.15s ease;
}

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

.data-table tbody tr:hover {
  background: #f4f4f5;
}

.data-table tbody td {
  padding: 14px 20px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

/* ─── Modal Backdrop ─── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-2xl);
  padding: 28px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: fadeInUp 0.25s cubic-bezier(0.4,0,0.2,1) both;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

/* ─── Stat Card Accent Lines ─── */
.stat-card {
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-medium);
}

/* ─── Kiosk Full Screen ─── */
.kiosk-frame {
  background: #ffffff;
}

/* ─── Corner Brackets ─── */
.corner-bracket {
  position: absolute;
  width: 20px;
  height: 20px;
}

.corner-bracket-tl { top: 0; left: 0; border-top: 2px solid; border-left: 2px solid; border-radius: 4px 0 0 0; }
.corner-bracket-tr { top: 0; right: 0; border-top: 2px solid; border-right: 2px solid; border-radius: 0 4px 0 0; }
.corner-bracket-bl { bottom: 0; left: 0; border-bottom: 2px solid; border-left: 2px solid; border-radius: 0 0 0 4px; }
.corner-bracket-br { bottom: 0; right: 0; border-bottom: 2px solid; border-right: 2px solid; border-radius: 0 0 4px 0; }

/* ─── Tooltip ─── */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(24, 24, 27, 0.95);
  border: 1px solid var(--border-medium);
  color: #ffffff;
  font-size: 11px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 99;
}

[data-tooltip]:hover::after { opacity: 1; }

/* ─── Number Ticker ─── */
@keyframes countUp {
  from { transform: translateY(6px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.count-up {
  animation: countUp 0.5s cubic-bezier(0.4,0,0.2,1) both;
}

/* ─── Custom Form Icon Padding Helpers ─── */
.input-field.pl-icon {
  padding-left: 40px !important;
}
.input-field.pr-icon {
  padding-right: 40px !important;
}

/* ─── Robotic Eye & Cybernetic Animations ─── */
@keyframes eyeBlink {
  0%, 90%, 94%, 98%, 100% {
    transform: scaleY(1);
  }
  92%, 96% {
    transform: scaleY(0.15);
  }
}

@keyframes pupilPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 2px #22d3ee) drop-shadow(0 0 6px #0891b2);
  }
  50% {
    transform: scale(1.15);
    filter: drop-shadow(0 0 4px #22d3ee) drop-shadow(0 0 12px #0891b2);
  }
}

@keyframes rotateRing {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes laserFlicker {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.85;
    filter: drop-shadow(0 0 3px #22d3ee);
  }
}

.animate-eye-lid {
  transform-origin: 50px 50px;
  animation: eyeBlink 5s ease-in-out infinite;
}

.animate-pupil {
  transform-origin: 50px 50px;
  animation: pupilPulse 2s ease-in-out infinite;
}

.animate-rotate-ring {
  transform-origin: 50px 50px;
  animation: rotateRing 12s linear infinite;
}

.animate-rotate-ring-reverse {
  transform-origin: 50px 50px;
  animation: rotateRing 8s linear infinite reverse;
}

.animate-laser {
  animation: laserFlicker 1.5s ease-in-out infinite;
}