/*
  Vantage Dietary Consulting — Assessment Panel
  Matches vantagedietary.com brand system exactly.
*/

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  text-decoration: none;
  transition: color 0.2s ease;
}

/* ========================================
   CSS CUSTOM PROPERTIES — LIGHT (DEFAULT)
   ======================================== */
:root,
[data-theme="light"] {
  --bg-primary: #F1EFE8;
  --bg-secondary: #D3D1C7;
  --bg-surface: #FFFFFF;
  --text-primary: #1A1A18;
  --text-secondary: #5F5E5A;
  --text-body: #2C2C2A;
  --border: #D3D1C7;
  --border-subtle: rgba(211, 209, 199, 0.5);
  --accent: #99571B;
  --accent-deep: #99571B;
  --accent-hover: #C4752A;
  --divider: #D3D1C7;
  --logo-mark-right: #1A1A18;
  --logo-text-primary: #1A1A18;
  --logo-text-secondary: #5F5E5A;
  --logo-divider: #D3D1C7;

  --severity-ok: #4A7C59;
  --severity-attention: #C4752A;
  --severity-critical: #A63D2F;
  --severity-citation: #8B2020;
  --input-bg: #FFFFFF;
  --input-border: #D3D1C7;
  --input-focus-border: #99571B;
}

/* ========================================
   CSS CUSTOM PROPERTIES — DARK
   ======================================== */
[data-theme="dark"] {
  --bg-primary: #1A1A18;
  --bg-secondary: #2C2C2A;
  --bg-surface: #2C2C2A;
  --text-primary: #F1EFE8;
  --text-secondary: #8A8880;
  --text-body: #D3D1C7;
  --border: #5F5E5A;
  --border-subtle: rgba(95, 94, 90, 0.3);
  --accent: #C4752A;
  --accent-deep: #99571B;
  --accent-hover: #D4853A;
  --divider: #5F5E5A;
  --logo-mark-right: #F1EFE8;
  --logo-text-primary: #F1EFE8;
  --logo-text-secondary: #8A8880;
  --logo-divider: #5F5E5A;

  --severity-ok: #5A9C69;
  --severity-attention: #D4853A;
  --severity-critical: #C05040;
  --severity-citation: #D04040;
  --input-bg: #2C2C2A;
  --input-border: #5F5E5A;
  --input-focus-border: #C4752A;
}

/* ========================================
   LAYOUT
   ======================================== */
body {
  background-color: var(--bg-primary);
  color: var(--text-body);
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

main {
  flex: 1;
  padding: 40px 0;
}

/* ========================================
   HEADER
   ======================================== */
.site-header {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-logo {
  display: flex;
  align-items: center;
  color: inherit;
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
}

.site-logo svg {
  height: 56px;
  width: auto;
  flex-shrink: 0;
}

.site-logo .logo-mark-right    { fill: var(--logo-mark-right); }
.site-logo .logo-text-primary  { fill: var(--logo-text-primary); }
.site-logo .logo-text-secondary{ fill: var(--logo-text-secondary); }
.site-logo .logo-divider-line  { stroke: var(--logo-divider); }

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-user {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-logout {
  font-size: 0.8125rem;
  font-family: inherit;
  color: var(--text-secondary);
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 5px 10px;
  transition: border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.header-logout:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.8rem;
  transition: border-color 0.2s ease, color 0.2s ease;
  font-family: inherit;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle-mobile {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: border-color 0.2s ease, color 0.2s ease;
  line-height: 0;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.theme-toggle-mobile:hover,
.theme-toggle-mobile:active {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle-mobile svg {
  width: 20px !important;
  height: 20px !important;
  max-width: none !important;
  display: block;
  pointer-events: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: transform 0.2s ease;
}

.mobile-nav {
  display: none;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 24px;
}

.mobile-nav.open { display: block; }

.mobile-nav-user {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 12px;
}

.mobile-nav a {
  display: block;
  padding: 10px 0;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav a:hover { color: var(--accent); }

.mobile-nav-logout {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text-secondary);
  cursor: pointer;
}

.mobile-nav-logout:hover { color: var(--accent); }

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  padding: 24px 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ========================================
   DASHBOARD
   ======================================== */
.page-heading {
  font-family: 'Jost', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}

.empty-state {
  padding: 60px 0;
  text-align: center;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.empty-state p + p {
  margin-top: 8px;
  font-size: 0.875rem;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 32px;
  transition: border-color 0.2s ease;
}

.card:hover { border-color: var(--accent); }

/* ========================================
   FORMS / INPUTS
   ======================================== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text-body);
  min-height: 44px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus {
  outline: none;
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px rgba(153, 87, 27, 0.12);
}

[data-theme="dark"] .form-group input:focus {
  box-shadow: 0 0 0 3px rgba(196, 117, 42, 0.15);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: var(--accent);
  color: #F1EFE8;
  border: none;
  border-radius: 6px;
  padding: 14px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: inherit;
  letter-spacing: 0.04em;
  cursor: pointer;
  min-height: 48px;
  transition: background-color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn-primary:hover { background: var(--accent-hover); }

/* ========================================
   LOGIN PAGE
   ======================================== */
.login-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  min-height: 100vh;
}

.login-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 28px;
}

.login-logo-label {
  font-family: 'Jost', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 12px;
}

.login-error {
  background: rgba(166, 61, 47, 0.08);
  border: 1px solid rgba(166, 61, 47, 0.25);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 20px;
  font-size: 0.875rem;
  color: var(--severity-critical);
}

[data-theme="dark"] .login-error {
  background: rgba(192, 80, 64, 0.1);
  border-color: rgba(192, 80, 64, 0.3);
}

.login-theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 10;
}

/* ========================================
   SEVERITY
   ======================================== */
.severity-ok       { color: var(--severity-ok); }
.severity-attention{ color: var(--severity-attention); }
.severity-critical { color: var(--severity-critical); }
.severity-citation { color: var(--severity-citation); }

/* ========================================
   HEADINGS
   ======================================== */
h1, h2, h3, h4 {
  font-family: 'Jost', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

h1 { font-size: 2rem;    margin-bottom: 16px; }
h2 { font-size: 1.5rem;  margin-bottom: 12px; }
h3 { font-size: 1.125rem;margin-bottom: 10px; }

p + p { margin-top: 16px; }

/* ========================================
   RESPONSIVE — 768px and below
   ======================================== */
@media (max-width: 768px) {
  .site-logo svg  { height: 40px; }
  .header-user    { display: none; }
  .header-logout  { display: none; }
  .theme-toggle   { display: none; }
  .theme-toggle-mobile { display: flex; }
  .nav-toggle     { display: block; }

  .login-card { padding: 28px 20px; }
  main { padding: 24px 0; }
}