* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Malgun Gothic", sans-serif;
  background: #10151c;
  color: #e6e9ef;
}

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.login-box {
  background: #1b2330;
  padding: 2.5rem;
  border-radius: 12px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.login-box h1 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  text-align: center;
}

.login-box input {
  padding: 0.6rem;
  border-radius: 6px;
  border: 1px solid #333c4a;
  background: #0f141c;
  color: #e6e9ef;
}

.login-box button {
  margin-top: 1rem;
  padding: 0.7rem;
  border: none;
  border-radius: 6px;
  background: #3b82f6;
  color: white;
  font-weight: 600;
  cursor: pointer;
}

.login-box .error {
  color: #f87171;
  font-size: 0.85rem;
  margin: 0;
}

.remember-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: #a9b3c1;
}

.cf-turnstile {
  margin-top: 0.8rem;
  display: flex;
  justify-content: center;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: #1b2330;
}

header h1 { margin: 0; font-size: 1.1rem; }

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-right form { margin: 0; }

.header-right button {
  padding: 0.4rem 0.8rem;
  border: none;
  border-radius: 6px;
  background: #333c4a;
  color: #e6e9ef;
  cursor: pointer;
}

.badge {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
}

.badge.ok { background: #14532d; color: #86efac; }
.badge.bad { background: #4b1113; color: #fca5a5; }

main {
  padding: 1.5rem;
}

#stream {
  max-width: 100%;
  border-radius: 8px;
  background: #000;
}

.channel-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem 0;
  flex-wrap: wrap;
}

.tab {
  padding: 0.5rem 0.9rem;
  border: none;
  border-radius: 6px 6px 0 0;
  background: #1b2330;
  color: #a9b3c1;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.tab.active {
  background: #2a3444;
  color: #e6e9ef;
}

.tab.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.grid-view {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 1400px;
  margin: 0 auto;
}

.tile {
  background: #1b2330;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
}

.tile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.8rem;
  font-size: 0.85rem;
}

.tile-stream {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
}

.tile-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  background: #000;
  color: #566073;
  font-size: 0.85rem;
}

.single-view {
  display: flex;
  justify-content: center;
}

.single-stream {
  max-width: 100%;
  max-height: calc(100vh - 160px);
  border-radius: 8px;
  background: #000;
  cursor: pointer;
}

.settings-main {
  padding: 1.5rem;
}

#settings-form {
  max-width: 1400px;
  margin: 0 auto;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.channel-block {
  background: #1b2330;
  border: none;
  border-radius: 12px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.channel-block legend {
  padding: 0;
  width: 100%;
  margin-bottom: 0.4rem;
}

.enable-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.channel-block label {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: #a9b3c1;
}

.channel-block .hint {
  color: #6b7688;
  font-size: 0.75rem;
}

.channel-block input[type="text"],
.channel-block input[type="password"],
.channel-block input[type="number"] {
  padding: 0.6rem;
  border-radius: 6px;
  border: 1px solid #333c4a;
  background: #0f141c;
  color: #e6e9ef;
}

.channel-block .test-btn {
  margin-top: 0.8rem;
  padding: 0.6rem;
  border: none;
  border-radius: 6px;
  background: #333c4a;
  color: #e6e9ef;
  cursor: pointer;
}

#settings-form > .success {
  color: #86efac;
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.settings-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem 0;
}

.settings-tabs .tab {
  padding: 0.6rem 1.2rem;
  border-radius: 6px 6px 0 0;
  background: #1b2330;
  color: #a9b3c1;
  text-decoration: none;
  font-size: 0.9rem;
}

.settings-tabs .tab.active {
  background: #2a3444;
  color: #e6e9ef;
}

.admin-box {
  background: #1b2330;
  padding: 2rem;
  border-radius: 12px;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0 auto;
}

.admin-box label {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: #a9b3c1;
}

.admin-box input {
  padding: 0.6rem;
  border-radius: 6px;
  border: 1px solid #333c4a;
  background: #0f141c;
  color: #e6e9ef;
}

.admin-box input:disabled {
  color: #6b7688;
}

.admin-box .success {
  color: #86efac;
  font-size: 0.85rem;
  margin: 0;
}

.admin-box .error {
  color: #f87171;
  font-size: 0.85rem;
  margin: 0;
}

.link-btn {
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  background: #333c4a;
  color: #e6e9ef;
  text-decoration: none;
  font-size: 0.9rem;
}

.settings-box {
  background: #1b2330;
  padding: 2rem;
  border-radius: 12px;
  width: 380px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.settings-box label {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: #a9b3c1;
}

.settings-box .hint {
  color: #6b7688;
  font-size: 0.75rem;
}

.settings-box input {
  padding: 0.6rem;
  border-radius: 6px;
  border: 1px solid #333c4a;
  background: #0f141c;
  color: #e6e9ef;
}

.settings-box .success {
  color: #86efac;
  font-size: 0.85rem;
  margin: 0;
}

.button-row {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.button-row button {
  flex: 1;
  padding: 0.7rem;
  border: none;
  border-radius: 6px;
  background: #333c4a;
  color: #e6e9ef;
  font-weight: 600;
  cursor: pointer;
}

.button-row button.primary {
  background: #3b82f6;
  color: white;
}

.test-result {
  min-height: 1.2rem;
  font-size: 0.85rem;
  margin-top: 0.4rem;
}

.test-result.ok { color: #86efac; }
.test-result.bad { color: #f87171; }