/* Modern & Premium Design System for Eva Admin Dashboard */

:root {
  --bg-primary: #0a0f1d;
  --bg-secondary: #121829;
  --card-bg: rgba(22, 30, 49, 0.7);
  --accent-color: #25d366; /* WhatsApp green */
  --accent-hover: #1ebd59;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-danger: #ef4444;
  --accent-danger-hover: #dc2626;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --border-color: rgba(255, 255, 255, 0.08);
  --input-bg: #1e293b;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Background Gradients */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 10% 20%, rgba(37, 211, 102, 0.05) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 40%);
  z-index: -1;
  pointer-events: none;
}

/* Layout */
.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Navbar */
header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1.2rem 1.5rem;
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
  text-decoration: none;
}

.logo span {
  color: var(--accent-color);
}

.logout-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background-color: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.logout-btn:hover {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--accent-danger);
  border-color: rgba(239, 68, 68, 0.2);
}

/* Login Card Layout */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 2rem 1.5rem;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  animation: fadeIn 0.4s ease-out;
}

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.login-card h2 {
  text-align: center;
  margin-bottom: 0.5rem;
  font-size: 1.8rem;
}

.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  width: 100%;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #050a12;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--accent-blue);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: var(--accent-blue-hover);
  transform: translateY(-1px);
}

.btn-danger {
  background-color: var(--accent-danger);
  color: #ffffff;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  width: auto;
}

.btn-danger:hover {
  background-color: var(--accent-danger-hover);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

@media (min-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 2fr 1fr;
  }
  .full-width {
    grid-column: span 2;
  }
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.8rem;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.card h3 {
  font-size: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.8rem;
  margin-bottom: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Table Style */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

tr:last-child td {
  border-bottom: none;
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  border: 1px solid transparent;
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

.alert-success {
  background-color: rgba(37, 211, 102, 0.1);
  border-color: rgba(37, 211, 102, 0.2);
  color: #a7f3d0;
}

/* Chart container */
.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

/* Mini Inline Form for adding units */
.inline-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 600px) {
  .inline-form {
    grid-template-columns: 1fr;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}