/* ============================================================
   Harlem QC Tool — Brand Design System
   Version 1.0 | Based on Harlem Design Language v1.0
   ============================================================ */

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

/* ── CSS Custom Properties ───────────────────────────────────── */
:root {
  /* Colors — Primary Palette */
  --color-harlem-blue: #12A2DD;
  --color-harlem-blue-rgb: 18, 162, 221;
  --color-deep-navy: #011638;
  --color-deep-navy-rgb: 1, 22, 56;
  --color-white: #FFFFFF;
  --color-white-rgb: 255, 255, 255;
  --color-black: #000000;
  --color-black-rgb: 0, 0, 0;

  /* Colors — Extended Palette */
  --color-harlem-red: #E63946;
  --color-harlem-green: #2A9D8F;

  /* Colors — Semantic */
  --color-success: #2A9D8F;
  --color-warning: #F4A261;
  --color-error: #E63946;
  --color-info: #12A2DD;

  /* Colors — Neutral Scale */
  --color-neutral-900: #0A0F14;
  --color-neutral-800: #151C24;
  --color-neutral-700: #1F2937;
  --color-neutral-600: #374151;
  --color-neutral-500: #4B5563;
  --color-neutral-400: #6B7280;
  --color-neutral-300: #9CA3AF;
  --color-neutral-200: #D1D5DB;
  --color-neutral-100: #E5E7EB;
  --color-neutral-50: #F3F4F6;

  /* Typography */
  --font-display: 'Oswald', 'roc-grotesk-condensed', sans-serif;
  --font-body: 'DM Sans', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Type Scale — Display */
  --text-display-xl: clamp(3.5rem, 8vw, 7rem);
  --text-display-lg: clamp(2.5rem, 6vw, 5rem);
  --text-display-md: clamp(2rem, 4vw, 3.5rem);

  /* Type Scale — Headings */
  --text-h1: clamp(2rem, 3vw, 2.5rem);
  --text-h2: clamp(1.5rem, 2.5vw, 2rem);
  --text-h3: clamp(1.25rem, 2vw, 1.5rem);
  --text-h4: 1.125rem;
  --text-h5: 1rem;
  --text-h6: 0.875rem;

  /* Type Scale — Body */
  --text-body-lg: 1.125rem;
  --text-body-md: 1rem;
  --text-body-sm: 0.875rem;
  --text-body-xs: 0.75rem;

  /* Line Heights */
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;

  /* Spacing Scale */
  --space-0: 0;
  --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;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout Containers */
  --container-xs: 320px;
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1600px;
  --gutter: var(--space-6);
  --gutter-lg: var(--space-12);

  /* Border Radii — CRITICAL: all 0 per brand spec (geometric precision) */
  --radius-none: 0;
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
  --radius-full: 0;

  /* Borders */
  --border-width-thin: 1px;
  --border-width-medium: 2px;
  --border-width-thick: 4px;
  --border-default: var(--border-width-thin) solid var(--color-neutral-200);
  --border-focus: var(--border-width-medium) solid var(--color-harlem-blue);
  --border-accent: var(--border-width-thick) solid var(--color-harlem-blue);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 18px 50px rgba(0, 0, 0, 0.2);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(18, 162, 221, 0.4);

  /* Motion */
  --ease-out-fast: cubic-bezier(0, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-dramatic: cubic-bezier(0.7, 0, 0.3, 1);
  --duration-instant: 50ms;
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-dramatic: 800ms;
}

/* ── Base ────────────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  background: var(--color-neutral-50);
  color: var(--color-deep-navy);
  font-size: 14px;
  line-height: var(--leading-normal);
}

/* ── Typography — Headline ───────────────────────────────────── */
.headline {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  line-height: var(--leading-tight);
}

.body-text {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: var(--leading-normal);
}

.tagline {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-harlem-blue);
}

/* ── Navigation ─────────────────────────────────────────────── */
nav {
  background: var(--color-deep-navy);
  color: var(--color-white);
  display: flex;
  align-items: center;
  padding: 0 24px;
  height: 58px;
  gap: 28px;
}

nav .logo {
  height: 28px;
  display: block;
}

nav .divider {
  width: 1px;
  height: 22px;
  background: rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

nav a {
  font-family: var(--font-display);
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

nav a:hover {
  color: var(--color-white);
  border-bottom-color: var(--color-harlem-blue);
}

nav .spacer { flex: 1; }

nav .logout {
  font-family: var(--font-body);
  color: var(--color-neutral-400);
  font-size: 12px;
  text-decoration: none;
  text-transform: none;
  letter-spacing: normal;
  border-bottom: none;
}

nav .logout:hover {
  color: var(--color-harlem-blue);
  border-bottom: none;
}

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px;
}

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-deep-navy);
  margin-bottom: 4px;
}

.subtitle {
  font-family: var(--font-body);
  color: var(--color-neutral-500);
  font-size: 13px;
  margin-bottom: 24px;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border-radius: 0;
  box-shadow: var(--shadow-sm);
  padding: 20px 24px;
  margin-bottom: 20px;
}

.card h2 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-deep-navy);
  margin-bottom: 14px;
}

/* ── Stat Chips ─────────────────────────────────────────────── */
.stat-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.stat {
  background: var(--color-neutral-50);
  border: 1px solid var(--color-neutral-100);
  border-radius: 0;
  padding: 10px 16px;
  min-width: 130px;
}

.stat .label {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--color-neutral-500);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.stat .value {
  font-size: 22px;
  font-weight: 700;
  margin-top: 2px;
}

.stat .value.pass    { color: var(--color-harlem-green); }
.stat .value.fail    { color: var(--color-harlem-red); }
.stat .value.warn    { color: var(--color-warning); }
.stat .value.neutral { color: var(--color-harlem-blue); }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.badge-open {
  background: rgba(244, 162, 97, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(244, 162, 97, 0.35);
}

.badge-closed-pass {
  background: rgba(42, 157, 143, 0.12);
  color: var(--color-harlem-green);
  border: 1px solid rgba(42, 157, 143, 0.3);
}

.badge-closed-fail {
  background: rgba(230, 57, 70, 0.1);
  color: var(--color-harlem-red);
  border: 1px solid rgba(230, 57, 70, 0.25);
}

/* ── Tables ─────────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th {
  background: var(--color-deep-navy);
  color: var(--color-white);
  text-align: left;
  padding: 9px 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--color-neutral-100);
  font-family: var(--font-body);
}

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

tr:hover td {
  background: rgba(18, 162, 221, 0.04);
}

.rate-pass { color: var(--color-harlem-green); font-weight: 600; }
.rate-fail { color: var(--color-harlem-red);   font-weight: 600; }
.rate-na   { color: var(--color-neutral-300); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 0;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-out-fast),
              transform var(--duration-fast) var(--ease-out-fast),
              box-shadow var(--duration-fast) var(--ease-out-fast);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--color-harlem-blue);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-deep-navy);
}

.btn-dark {
  background: var(--color-deep-navy);
  color: var(--color-white);
}

.btn-danger {
  background: var(--color-harlem-red);
  color: var(--color-white);
}

.btn-success {
  background: var(--color-harlem-green);
  color: var(--color-white);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
}

/* ── Flash Messages ─────────────────────────────────────────── */
.flash {
  padding: 10px 16px;
  border-radius: 0;
  margin-bottom: 16px;
  font-size: 13px;
  font-family: var(--font-body);
}

.flash-success {
  background: rgba(42, 157, 143, 0.1);
  color: var(--color-harlem-green);
  border: 1px solid rgba(42, 157, 143, 0.3);
}

.flash-error {
  background: rgba(230, 57, 70, 0.08);
  color: var(--color-harlem-red);
  border: 1px solid rgba(230, 57, 70, 0.25);
}

.flash-info {
  background: rgba(18, 162, 221, 0.08);
  color: var(--color-harlem-blue);
  border: 1px solid rgba(18, 162, 221, 0.25);
}

/* ── Form Inputs ────────────────────────────────────────────── */
input,
select,
textarea {
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  border-radius: 0;
  border: var(--border-default);
  transition: border-color var(--duration-fast) var(--ease-out-fast),
              box-shadow var(--duration-fast) var(--ease-out-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-harlem-blue);
  box-shadow: 0 0 0 3px rgba(18, 162, 221, 0.2);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-neutral-400);
}

/* ── Progress Bar ───────────────────────────────────────────── */
.progress-wrap {
  background: var(--color-neutral-100);
  border-radius: 0;
  height: 8px;
  overflow: hidden;
}

.progress-bar {
  height: 8px;
  border-radius: 0;
  background: var(--color-harlem-blue);
  transition: width var(--duration-normal);
}

/* ── Windmill Spinner ───────────────────────────────────────── */
.wind-spinner {
  width: 48px;
  height: 48px;
  animation: spin 2s linear infinite;
  color: var(--color-harlem-blue);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Utility Classes ────────────────────────────────────────── */
.text-muted { color: var(--color-neutral-400); }
.mt-8       { margin-top: 8px; }
.mt-16      { margin-top: 16px; }
.bold       { font-weight: 700; }

/* ── Hover Lift ─────────────────────────────────────────────── */
.hover-lift {
  transition: transform var(--duration-fast) var(--ease-out-fast),
              box-shadow var(--duration-fast) var(--ease-out-fast);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ── prefers-reduced-motion ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}