:root {
  --bg-main: #0b0f19;
  --card-bg: #161e2e;
  --card-border: #233148;
  --accent-cyan: #38bdf8;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  padding: 16px;
  display: flex;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 540px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Header Banner */
.header-card {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 20px 16px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

/* Layout Header Flex (Logo Rapat ke Tengah Mengapit Teks) */
.header-flex {
  display: flex;
  align-items: center;
  justify-content: center; /* Merapatkan ke tengah */
  gap: 16px;               /* Jarak antara logo dan teks */
}

.header-text {
  text-align: center;      /* Tanpa flex: 1 agar logo tidak terdorong ke pinggir */
}

.side-logo {
  width: 90px;             /* Lebar logo */
  height: 90px;            /* Tinggi logo */
  border-radius: 10px;     /* Lengkungan sudut logo */
  border: 1.5px solid var(--accent-cyan); /* Garis bingkai logo */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  object-fit: cover;
  flex-shrink: 0;
}

.badge-class {
  display: inline-block;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.header-card h1 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 4px;
}

.header-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Jam Digital & Realtime Status */
.clock-widget {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.clock-info {
  display: flex;
  flex-direction: column;
}

.clock-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.clock-time {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: monospace;
}

.status-badge {
  font-size: 0.75rem;
  padding: 5px 10px;
  border-radius: 8px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-badge.active {
  background: rgba(52, 211, 153, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.status-badge.break {
  background: rgba(251, 191, 36, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.status-badge.off {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.2); }
  100% { opacity: 1; transform: scale(1); }
}

/* Tab Navigasi Hari */
.day-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.day-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  flex: 1;
  min-width: 65px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  padding: 10px 0;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: var(--accent-cyan);
  color: #0b0f19;
  border-color: var(--accent-cyan);
  font-weight: 700;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
}

.tab-btn.today-indicator::after {
  content: '•';
  display: inline-block;
  margin-left: 3px;
  color: var(--accent-green);
}

/* Switch Mode Tampilan */
.view-toggle {
  display: flex;
  background: #111827;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 3px;
}

.toggle-btn {
  flex: 1;
  padding: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
}

.toggle-btn.active {
  background: var(--card-bg);
  color: var(--accent-cyan);
  border: 1px solid var(--card-border);
}

/* Schedule Cards */
.schedule-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
  position: relative;
}

.card.now-active {
  border-color: var(--accent-green);
  background: linear-gradient(90deg, rgba(52, 211, 153, 0.08) 0%, var(--card-bg) 100%);
  box-shadow: 0 0 15px rgba(52, 211, 153, 0.15);
}

.card.now-active::before {
  content: 'SEDANG BERLANGSUNG';
  position: absolute;
  top: -9px;
  right: 14px;
  background: var(--accent-green);
  color: #0b0f19;
  font-size: 0.6rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 4px;
}

.card.break-card {
  background: rgba(251, 191, 36, 0.04);
  border-style: dashed;
  border-color: rgba(251, 191, 36, 0.3);
}

.card-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.jam-badge {
  font-size: 0.7rem;
  color: var(--accent-cyan);
  font-weight: 700;
}

.break-card .jam-badge { color: var(--accent-amber); }

.subject-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.teacher-name {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.teacher-code-pill {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: monospace;
}

.time-badge {
  background: #0f172a;
  border: 1px solid var(--card-border);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-cyan);
  font-family: monospace;
}

.break-card .time-badge { color: var(--accent-amber); }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  background: var(--card-bg);
  border: 1px dashed var(--card-border);
  border-radius: 14px;
}

.teacher-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--card-border);
}

.teacher-table th {
  background: #0f172a;
  color: var(--accent-cyan);
  font-size: 0.75rem;
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

.teacher-table td {
  padding: 10px;
  font-size: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.teacher-table .code-col {
  font-family: monospace;
  font-weight: bold;
  color: var(--accent-green);
  text-align: center;
}

.teacher-table .hours-col {
  color: var(--accent-amber);
  font-weight: 600;
}

.footer {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 10px;
}