/* Vyusta DMARC Monitor - Modern Web Stylesheet */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #475569;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --info: #06b6d4;
  --info-light: #ecfeff;

  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --border-focus: #3b82f6;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-active: #2563eb;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Layout Structure */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
  width: 260px;
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.sidebar-brand svg {
  color: #38bdf8;
}
.sidebar-brand h1 {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.2px;
}
.sidebar-brand span {
  font-size: 11px;
  text-transform: uppercase;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: #475569;
  letter-spacing: 0.05em;
  padding: 12px 10px 6px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--sidebar-text);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
}
.nav-item:hover {
  background-color: var(--sidebar-hover);
  color: #ffffff;
  text-decoration: none;
}
.nav-item.active {
  background-color: var(--sidebar-active);
  color: var(--sidebar-text-active);
  font-weight: 600;
}
.nav-item svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: #64748b;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Main Content Area */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

/* Topbar */
.app-topbar {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.topbar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* User Menu */
.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}
.user-details {
  display: flex;
  flex-direction: column;
}
.user-name {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
}
.user-role-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 10px;
  width: fit-content;
}
.role-admin { background: #dbeafe; color: #1e40af; }
.role-manage { background: #dcfce7; color: #166534; }
.role-view { background: #f1f5f9; color: #475569; }

/* Page Content */
.page-content {
  padding: 28px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* Flash Alerts */
.alert-banner {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
}
.alert-success { background-color: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background-color: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background-color: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
.alert-info { background-color: var(--info-light); color: #155e75; border: 1px solid #a5f3fc; }

/* Cards */
.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-body {
  padding: 22px;
}
.card-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  background-color: #fafbfc;
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

/* Grid Layouts */
.grid-cols-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.grid-cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.grid-cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

/* Stat Cards */
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.stat-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  margin-bottom: 6px;
}
.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none !important;
}
.btn-primary { background: var(--primary); color: #ffffff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #f1f5f9; color: #334155; border-color: #cbd5e1; }
.btn-secondary:hover { background: #e2e8f0; }
.btn-success { background: var(--success); color: #ffffff; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--danger); color: #ffffff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px; border-radius: var(--radius-sm); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-success { background: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.badge-danger { background: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }
.badge-warning { background: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
.badge-info { background: var(--info-light); color: #155e75; border: 1px solid #a5f3fc; }
.badge-neutral { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }

.badge-policy-reject { background: #fee2e2; color: #991b1b; }
.badge-policy-quarantine { background: #fef3c7; color: #92400e; }
.badge-policy-none { background: #e0f2fe; color: #0369a1; }

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}
.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.table th {
  padding: 12px 16px;
  background-color: #f8fafc;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr:hover {
  background-color: #f8fafc;
}

/* Forms */
.form-group {
  margin-bottom: 18px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-main);
  background-color: var(--surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
select.form-control {
  cursor: pointer;
}
textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

/* Progress bar */
.progress-bar-container {
  width: 100%;
  height: 8px;
  background-color: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background-color: var(--success);
  border-radius: 9999px;
}

/* Dialog / Modal */
dialog {
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0;
  max-width: 600px;
  width: 90%;
  margin: auto;
}
dialog::backdrop {
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
}
.dialog-content {
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.dialog-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dialog-body {
  padding: 20px;
  max-height: 80vh;
  overflow-y: auto;
}
.dialog-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background-color: #fafbfc;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* Code Snippet Box */
.code-box {
  background: #0f172a;
  color: #38bdf8;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  word-break: break-all;
  position: relative;
}
.code-box .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
}
.code-box .copy-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2-1 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .app-container { flex-direction: column; }
  .app-sidebar { width: 100%; }
  .grid-cols-4, .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
  .app-topbar { padding: 12px 16px; }
}