/* ============================================================================
   DESIGN TOKENS
   ============================================================================ */
:root{
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

[data-theme="light"]{
  --bg: #F6F7F4;
  --surface: #FFFFFF;
  --surface-raised: #FFFFFF;
  --text: #14171A;
  --muted: #6B7280;
  --line: #E4E6E1;
  --accent: #3B4CCA;
  --accent-ink: #FFFFFF;
  --accent-2: #2F9E7C;
  --shadow: 0 1px 2px rgba(20,23,26,0.04), 0 8px 24px rgba(20,23,26,0.06);
}

[data-theme="dark"]{
  --bg: #101214;
  --surface: #191C1F;
  --surface-raised: #1F2226;
  --text: #F1F2EE;
  --muted: #8B9096;
  --line: #2A2D31;
  --accent: #7C8AFF;
  --accent-ink: #101214;
  --accent-2: #4FCBA0;
  --shadow: 0 1px 2px rgba(0,0,0,0.2), 0 8px 24px rgba(0,0,0,0.35);
}

/* ============================================================================
   BASE
   ============================================================================ */
*{ box-sizing: border-box; margin: 0; padding: 0; }
html{ scroll-behavior: smooth; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}
a{ color: inherit; }
.wrap{ max-width: 1080px; margin: 0 auto; padding: 0 24px; }
img{ max-width: 100%; display: block; }

h1, h2, h3{ font-family: var(--font-display); letter-spacing: -0.01em; }

/* ============================================================================
   HEADER / NAV
   ============================================================================ */
header{
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
}
.brand{
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 600; font-size: 18px;
  text-decoration: none; color: var(--text);
  transition: opacity 0.15s ease;
}
.brand:hover{ opacity: 0.75; }
.brand .mark{
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--accent);
}
.nav-links{
  display: flex; align-items: center; gap: 28px;
  font-size: 14px; color: var(--muted);
}
.nav-links a:hover{ color: var(--text); }
.nav-right{ display: flex; align-items: center; gap: 18px; }

.theme-toggle{
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 15px; color: var(--text);
}
.theme-toggle:hover{ border-color: var(--accent); }

/* ============================================================================
   HERO
   ============================================================================ */
.hero{ padding: 80px 0 48px; }
.eyebrow{
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--accent-2); text-transform: uppercase; margin-bottom: 16px;
}
h1.headline{
  font-weight: 600; font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08; max-width: 700px; margin-bottom: 18px;
}
.hero p.sub{ max-width: 520px; color: var(--muted); font-size: 17px; }
.mission-line{
  font-family: var(--font-display); font-style: italic; font-weight: 500;
  font-size: clamp(18px, 2.2vw, 22px); color: var(--text);
  max-width: 540px; padding-left: 18px; margin: 22px 0 24px;
  border-left: 2px solid var(--accent);
  line-height: 1.4;
}

/* ============================================================================
   SECTION HEAD + LAYOUT SWITCHER
   ============================================================================ */
.section{ padding: 20px 0 90px; }
.section-head{
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  margin-bottom: 28px;
}
.section-head h2{
  font-size: 14px; font-family: var(--font-mono); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); font-weight: 500;
}

.layout-switch{
  display: inline-flex; border: 1px solid var(--line); border-radius: 999px;
  padding: 3px; background: var(--surface); gap: 2px;
}
.layout-switch button{
  border: none; background: transparent; color: var(--muted);
  font-family: var(--font-mono); font-size: 12px; padding: 7px 14px;
  border-radius: 999px; cursor: pointer; letter-spacing: 0.02em;
  transition: all 0.15s ease;
}
.layout-switch button.active{ background: var(--accent); color: var(--accent-ink); }
.layout-switch button:not(.active):hover{ color: var(--text); }

/* ============================================================================
   APP DIRECTORY — three layout variants sharing one DOM
   ============================================================================ */
#app-directory{ display: grid; gap: 14px; }

.app-card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.app-card:hover{ border-color: var(--accent); }

.app-card-link{
  color: inherit; text-decoration: none; min-width: 0;
}
.app-card-link:hover .app-name{ color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

.app-icon{
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; color: #fff;
  flex-shrink: 0;
  object-fit: cover;
}
.app-module{
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  letter-spacing: 0.04em;
}
.app-name-row{ display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.app-name{ font-family: var(--font-display); font-weight: 600; }
.app-tagline{ color: var(--muted); margin-top: 3px; }
.app-desc{ color: var(--muted); font-size: 14px; margin-top: 8px; }
.app-actions{ display: flex; gap: 8px; flex-wrap: wrap; position: relative; z-index: 1; }
.btn{
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  padding: 9px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); text-align: center; letter-spacing: 0.02em;
  transition: all 0.15s ease; white-space: nowrap;
}
.btn-primary{ background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover{ opacity: 0.88; }
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }

/* --- GRID variant --- */
#app-directory.layout-grid{
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.layout-grid .app-card{
  padding: 22px; display: flex; flex-direction: column; gap: 14px;
}
.layout-grid .app-card-link{ display: flex; flex-direction: column; gap: 14px; }
.layout-grid .app-icon{ width: 44px; height: 44px; font-size: 16px; }
.layout-grid .app-name-row{ flex-direction: column; align-items: flex-start; gap: 2px; }
.layout-grid .app-name{ font-size: 18px; }
.layout-grid .app-tagline{ font-size: 13px; }
.layout-grid .app-desc{ display: none; }
.layout-grid .app-actions{ margin-top: auto; }

/* --- LIST variant --- */
/* app-card now has 2 direct children: app-card-link (icon+info) and
   app-actions — buttons can't live inside the link since HTML doesn't
   allow nested <a> tags, so they're laid out as siblings instead. */
#app-directory.layout-list{ grid-template-columns: 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.layout-list .app-card{
  border: none; border-radius: 0; border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  gap: 18px; padding: 18px 20px;
}
.layout-list .app-card-link{
  display: grid; grid-template-columns: 40px 1fr; align-items: center; gap: 18px;
}
.layout-list .app-card:last-child{ border-bottom: none; }
.layout-list .app-icon{ width: 40px; height: 40px; font-size: 14px; }
.layout-list .app-name{ font-size: 16px; }
.layout-list .app-tagline{ font-size: 13.5px; }
.layout-list .app-desc{ display: none; }
.layout-list .app-actions{ display: flex; }
.layout-list .btn{ padding: 8px 13px; }

@media (max-width: 640px){
  .layout-list .app-card{
    display: flex; flex-wrap: wrap; align-items: center; gap: 12px 14px;
  }
  .layout-list .app-card-link{ flex: 1 1 auto; min-width: 180px; }
  .layout-list .app-actions{ width: 100%; }
  .layout-list .app-actions .btn{ flex: 1; }
}

/* --- CARDS variant (editorial, larger) --- */
#app-directory.layout-cards{ grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.layout-cards .app-card{ padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.layout-cards .app-card-link{ display: flex; flex-direction: column; gap: 16px; }
.layout-cards .app-icon{ width: 52px; height: 52px; font-size: 19px; }
.layout-cards .app-name-row{ flex-direction: column; align-items: flex-start; gap: 2px; }
.layout-cards .app-name{ font-size: 21px; }
.layout-cards .app-tagline{ font-size: 14px; }
.layout-cards .app-desc{ display: block; }
.layout-cards .app-actions{ margin-top: 4px; }

/* ============================================================================
   GENERIC CONTENT PAGES (privacy / report)
   ============================================================================ */
.page-head{ padding: 64px 0 32px; border-bottom: 1px solid var(--line); }
.page-head h1{ font-size: clamp(28px, 4vw, 40px); font-weight: 600; margin-bottom: 10px; }
.page-head p{ color: var(--muted); }

.content-wrap{ max-width: 720px; margin: 0 auto; padding: 48px 24px 100px; }

.policy-select{
  display: grid; gap: 10px; margin-bottom: 40px;
}
.policy-select a{
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-md);
  background: var(--surface); font-weight: 500;
}
.policy-select a:hover{ border-color: var(--accent); }

.policy-body h3{ font-size: 16px; margin: 28px 0 8px; }
.policy-body p{ color: var(--muted); margin-bottom: 4px; font-size: 15px; }
.policy-body a{ color: var(--accent); }

.back-link{ font-family: var(--font-mono); font-size: 13px; color: var(--muted); display:inline-block; margin-bottom: 20px; }
.back-link:hover{ color: var(--accent); }

/* Form */
.field{ margin-bottom: 20px; }
.field label{ display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.field .hint{ font-size: 12px; color: var(--muted); margin-top: 5px; }
.field input, .field select, .field textarea{
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
  font-family: var(--font-body); font-size: 14px;
}
.field textarea{ resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: 2px solid var(--accent); outline-offset: 1px;
}
.form-status{
  font-size: 13px; margin-top: 14px; padding: 12px 14px; border-radius: var(--radius-sm);
  display: none;
}
.form-status.show{ display: block; }
.form-status.ok{ background: color-mix(in srgb, var(--accent-2) 15%, transparent); color: var(--accent-2); }
.form-status.err{ background: color-mix(in srgb, #D65B5B 15%, transparent); color: #D65B5B; }

footer{ border-top: 1px solid var(--line); padding: 32px 0; }
.foot-row{
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
}
.foot-row a:hover{ color: var(--accent); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ transition: none !important; }
}