/* ============================================================
   Retalk — shared styles
   ============================================================ */

:root {
  --bg-primary: #07080f;
  --bg-secondary: #14161f;
  --bg-tertiary: #1a1c2a;
  --text-primary: #e8eaf0;
  --text-secondary: #6b6d7a;
  --text-tertiary: #2c2e3a;
  --accent-purple: #9b6fe8;
  --accent-blue: #4fa3e8;
  --accent-green: #5dcaa5;
  --border: #1a1c2a;

  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', system-ui, sans-serif;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a { color: inherit; text-decoration: none; }

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

.hidden { display: none !important; }

/* Layout helpers ---------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.muted { color: var(--text-secondary); }
.center { text-align: center; }

/* Navbar ------------------------------------------------------------------ */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 8, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-email {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Logo -------------------------------------------------------------------- */
.logo-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -1.5px;
}
.logo-text .re { fill: var(--accent-blue); }

/* Buttons ----------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  user-select: none;
}
.btn:disabled { cursor: not-allowed; opacity: 0.5; }

.btn-primary {
  background: var(--accent-purple);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent-purple);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
}
.btn-ghost:hover:not(:disabled) { color: var(--text-primary); }

.btn-block { width: 100%; }
.btn-sm { padding: 7px 14px; font-size: 13px; }

.btn.loading { position: relative; color: transparent; }
.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Cards ------------------------------------------------------------------- */

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

/* Forms ------------------------------------------------------------------- */

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  transition: border-color 0.2s ease;
}
input::placeholder, textarea::placeholder { color: var(--text-secondary); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-purple);
}
select { cursor: pointer; }

.form-error {
  color: #e8736f;
  font-size: 13px;
  margin-top: 4px;
}
.form-success {
  color: var(--accent-green);
  font-size: 13px;
  margin-top: 4px;
}

/* Tabs (giriş/kayıt, seviye filtresi) ------------------------------------ */

.tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s ease;
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  color: #fff;
}

/* Seviye rozeti ----------------------------------------------------------- */
.badge {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 6px;
  color: #07080f;
}

/* Progress bar ------------------------------------------------------------ */
.progress {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 999px;
  overflow: hidden;
}
.progress > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* Grid -------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 1024px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .grid { grid-template-columns: 1fr; } }

/* Table ------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); }
th { color: var(--text-secondary); font-weight: 500; font-size: 13px; }
tr:last-child td { border-bottom: none; }
td .muted { font-size: 13px; }

/* Empty / loading states -------------------------------------------------- */
.state {
  text-align: center;
  color: var(--text-secondary);
  padding: 64px 24px;
}

/* Toggle switch ----------------------------------------------------------- */
.switch { position: relative; display: inline-block; width: 40px; height: 22px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; inset: 0; cursor: pointer;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: 999px; transition: 0.2s;
}
.switch .slider::before {
  content: ''; position: absolute; height: 16px; width: 16px; left: 2px; top: 2px;
  background: var(--text-secondary); border-radius: 50%; transition: 0.2s;
}
.switch input:checked + .slider { background: var(--accent-green); border-color: var(--accent-green); }
.switch input:checked + .slider::before { transform: translateX(18px); background: #07080f; }

/* Misc -------------------------------------------------------------------- */
.section { padding: 80px 0; }
.section-title { font-size: 32px; margin-bottom: 12px; }
.section-sub { color: var(--text-secondary); margin-bottom: 40px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; align-items: center; gap: 12px; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .nav-email { display: none; }
}