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

:root {
  --bg-color: #f8fafc;
  --bg-gradient: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  --card-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(0, 0, 0, 0.05);
  --primary-color: #0f172a;
  --primary-hover: #334155;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --success: #10b981;
  --error: #ef4444;
  --border-radius: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 900px;
  padding: 2rem;
}

.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.1);
  animation: slideUp 0.5s ease-out forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-card {
  max-width: 400px;
  margin: 0 auto;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-1 { margin-bottom: 1rem; }

h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
}

p.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="password"],
input[type="file"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.02);
}

input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.1);
}

input[type="file"]::file-selector-button {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  margin-right: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
  font-weight: 500;
}

input[type="file"]::file-selector-button:hover {
  background: var(--primary-hover);
}

button {
  width: 100%;
  padding: 0.85rem;
  border-radius: 8px;
  border: none;
  background: var(--primary-color);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

button:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 8px -1px rgba(0, 0, 0, 0.15);
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1.5rem;
}

.bot-status {
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--error);
}

.bot-status.running .status-indicator {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* Tab Navigation */
.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #e2e8f0;
}

.tab-btn {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.75rem 1rem;
  font-weight: 600;
  border-radius: 0;
  box-shadow: none;
  font-size: 1rem;
  cursor: pointer;
  margin-bottom: -2px; /* Pull down to overlap border */
  width: auto;
}

.tab-btn:hover {
  background: #f8fafc;
  transform: none;
  box-shadow: none;
  color: var(--primary-color);
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

/* Tab Content Areas */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 0.5rem;
  letter-spacing: -0.02em;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  border: 1px solid var(--input-border);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #f1f5f9;
}

th {
  background-color: #f8fafc;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.alert {
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  display: none;
  font-weight: 500;
}

.alert.show {
  display: block;
  animation: slideUp 0.3s ease;
}

.alert.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  color: #047857;
}

.alert.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: #b91c1c;
}

@media (min-width: 768px) {
  .grid { grid-template-columns: 1fr 1fr; }
}