@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700;800&family=Chakra+Petch:wght@500;700&display=swap');

:root {
  --bg-main: #0e1117;
  --bg-card: #161b22;
  --bg-card-hover: #1c2129;
  --border: #30363d;
  --primary: #e60000;
  --primary-hover: #ff1a1a;
  --gold: #ffd700;
  --gold-glow: #e6b800;
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --success: #238636;
  --warning: #d29922;
  --danger: #da3633;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Kanit', sans-serif;
  line-height: 1.5;
  padding: 24px;
  min-height: 100vh;
}

.admin-container {
  max-width: 1280px;
  margin: 0 auto;
}

/* Header */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 15px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: radial-gradient(circle, #e60000 0%, #800000 100%);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
}

.brand-title h1 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.brand-title p {
  font-size: 14px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 6px;
  font-family: 'Kanit', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: #ff3333;
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 12px rgba(230, 0, 0, 0.5);
}

.btn-gold {
  background: linear-gradient(180deg, #ffd700 0%, #d49a00 100%);
  color: #000;
  border-color: #ffe033;
}

.btn-gold:hover {
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text-main);
}

.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--text-muted);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #2ea043;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* Tabs */
.tabs-nav {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab-btn.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
  background: rgba(255, 215, 0, 0.05);
}

.tab-btn:hover {
  color: #fff;
}

/* Section Cards */
.admin-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Background Preset Selector */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.preset-card {
  border: 2px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.25s;
  background: var(--bg-main);
  text-align: center;
  position: relative;
}

.preset-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.preset-card.active {
  border-color: var(--gold);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.preset-preview {
  height: 100px;
  width: 100%;
}

.preset-label {
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  background: var(--bg-card);
}

/* Upload Dropzone */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  cursor: pointer;
  background: rgba(22, 27, 34, 0.5);
  transition: all 0.2s;
  margin-bottom: 20px;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--gold);
  background: rgba(255, 215, 0, 0.05);
}

.dropzone-icon {
  font-size: 36px;
  margin-bottom: 10px;
}

.dropzone-text {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.dropzone-sub {
  font-size: 13px;
  color: var(--text-muted);
}

/* Form Controls */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-family: 'Kanit', sans-serif;
  font-size: 15px;
  color: #fff;
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.2);
}

.form-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Range Slider */
.slider-container {
  display: flex;
  align-items: center;
  gap: 15px;
}

.slider-input {
  flex: 1;
  accent-color: var(--gold);
  height: 6px;
  border-radius: 3px;
  background: var(--border);
}

.slider-val {
  min-width: 45px;
  font-weight: 700;
  color: var(--gold);
}

/* Rounds Table */
.rounds-table {
  width: 100%;
  border-collapse: collapse;
}

.rounds-table th {
  background: rgba(255, 255, 255, 0.04);
  padding: 12px 14px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.rounds-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.input-number {
  font-family: 'Chakra Petch', monospace;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 2px;
  background: #000;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  color: #fff;
  padding: 6px 10px;
}

.input-top {
  width: 90px;
  color: var(--gold);
}

.input-bot {
  width: 75px;
  color: #38bdf8;
}

/* Status Select */
.status-select {
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  color: #fff;
  font-family: 'Kanit', sans-serif;
  font-size: 13px;
}

/* Status Badge */
.status-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.status-completed {
  background: rgba(35, 134, 54, 0.2);
  color: #3fb950;
  border: 1px solid rgba(35, 134, 54, 0.4);
}

.status-drawing {
  background: rgba(210, 153, 34, 0.2);
  color: #d29922;
  border: 1px solid rgba(210, 153, 34, 0.4);
  animation: pulsePill 1.2s infinite alternate;
}

@keyframes pulsePill {
  0% { opacity: 0.7; }
  100% { opacity: 1; transform: scale(1.05); }
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #1f2937;
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  color: #fff;
  padding: 12px 20px;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.6);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Code Snippet Box */
.code-box {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  color: #a5d6ff;
  overflow-x: auto;
  white-space: pre;
  margin-top: 8px;
}