/* styles.css - Clean Professional Light Enterprise Design System */

:root {
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-glow: rgba(37, 99, 235, 0.1);
  --success-bg: #f0fdf4;
  --success-text: #16a34a;
  --danger-bg: #fef2f2;
  --danger-text: #dc2626;
  --radius: 8px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 48px;
  z-index: 1000;
}

.nav-brand a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  height: 32px;
  width: auto;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-btn-get-started {
  background-color: var(--accent);
  color: #ffffff !important;
  padding: 8px 18px;
  border-radius: var(--radius);
  transition: background-color 0.2s ease, box-shadow 0.2s ease !important;
}

.nav-btn-get-started:hover {
  background-color: var(--accent-hover) !important;
  box-shadow: 0 0 15px var(--accent-glow);
}

/* Card & Forms Styling */
.card-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

form input {
  width: 100%;
  padding: 12px 16px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--text-main);
  transition: all 0.2s ease;
}

form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-main);
  border-color: #cbd5e1;
}

/* Footer */
.footer {
  background-color: #ffffff;
  color: var(--text-muted);
  text-align: center;
  padding: 32px 0;
  font-size: 0.9rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* Enterprise Layout Shell */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  width: 260px;
  background-color: #0f172a;
  border-right: 1px solid #1e293b;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid #1e293b;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.15rem;
}

.sidebar-nav {
  padding: 24px 16px;
  flex: 1;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.sidebar-link:hover, .sidebar-link.active {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid #1e293b;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.user-meta {
  font-size: 0.85rem;
  color: #94a3b8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
}

.app-topbar {
  height: 72px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
}

.dashboard-content {
  padding: 40px;
  max-width: 1400px;
  width: 100%;
}

.panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.panel-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.panel-body {
  padding: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 16px;
  align-items: end;
}

.table-container {
  width: 100%;
  overflow-x: auto;
}

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

.data-table th, .data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.data-table th {
  background-color: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tr:hover td {
  background-color: #f8fafc;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background-color: var(--success-bg);
  color: var(--success-text);
}

.badge-neutral {
  background-color: #f1f5f9;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .app-sidebar { width: 70px; }
  .sidebar-brand span, .sidebar-link span, .sidebar-footer { display: none; }
  .app-main { margin-left: 70px; }
  .form-grid { grid-template-columns: 1fr; }
}