/* ==========================================================================
   Creationsext Domain & Hosting Manager V1.0
   Modern Minimalist SaaS CSS - Light & Dark Theme
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Clean Modern Light Palette (Vercel / Linear inspired) */
  --bg-page: #f8fafc;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #ffffff;
  --bg-modal-backdrop: rgba(15, 23, 42, 0.65);
  --border-color: #e2e8f0;
  --border-focus: #2563eb;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-text: #ffffff;

  --success: #059669;
  --success-bg: #ecfdf5;
  --success-text: #065f46;

  --warning: #d97706;
  --warning-bg: #fffbeb;
  --warning-text: #92400e;

  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-text: #991b1b;

  --info: #0284c7;
  --info-bg: #f0f9ff;
  --info-text: #075985;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.04);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.07), 0 1px 2px -1px rgb(0 0 0 / 0.06);
  --shadow-md: 0 4px 8px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 12px 24px -4px rgb(0 0 0 / 0.1), 0 4px 8px -4px rgb(0 0 0 / 0.05);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --sidebar-width: 250px;
  --header-height: 64px;

  /* Safe Area Insets for iOS Notch & Android System Bars */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

[data-theme="dark"] {
  /* Obsidian Deep Dark Modern SaaS Palette */
  --bg-page: #080c14;
  --bg-sidebar: #0d1320;
  --bg-card: #121929;
  --bg-card-hover: #182238;
  --bg-input: #0a0f1a;
  --bg-modal-backdrop: rgba(0, 0, 0, 0.82);
  --border-color: #1e293b;
  --border-focus: #38bdf8;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;

  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.16);
  --primary-text: #ffffff;

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.14);
  --success-text: #a7f3d0;

  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.14);
  --warning-text: #fde68a;

  --danger: #f43f5e;
  --danger-bg: rgba(244, 63, 94, 0.14);
  --danger-text: #fecaca;

  --info: #38bdf8;
  --info-bg: rgba(56, 189, 248, 0.14);
  --info-text: #bae6fd;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
  --shadow: 0 2px 4px 0 rgb(0 0 0 / 0.6);
  --shadow-md: 0 6px 14px -2px rgb(0 0 0 / 0.7);
  --shadow-lg: 0 14px 28px -4px rgb(0 0 0 / 0.8);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  overscroll-behavior-y: contain;
  touch-action: manipulation;
}

/* Layout Container */
#app-container {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* Sidebar Navigation (Desktop) */
#sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  transition: transform 0.2s ease, width 0.2s ease;
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-main);
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.925rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.nav-link:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
}

.nav-link.active {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

[data-theme="dark"] .nav-link.active {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* Main Content Area */
#main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 5rem;
}

/* Top App Header */
#topbar {
  height: var(--header-height);
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar-title-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  padding: 0.25rem;
  cursor: pointer;
}

.page-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
}

/* View Container */
.view-section {
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.view-section.hidden {
  display: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-text);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}
.btn-outline:hover {
  background-color: var(--bg-card-hover);
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}
.btn-danger:hover {
  background-color: #dc2626;
}

.btn-success {
  background-color: var(--success);
  color: #ffffff;
}
.btn-success:hover {
  background-color: #059669;
}

.btn-sm {
  font-size: 0.8rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
}

.btn-xs {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  gap: 0.25rem;
}

.table-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.3rem;
  flex-wrap: nowrap;
}

.table-actions .btn {
  flex-shrink: 0;
}

.btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

/* Cards & Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* Filter & Action Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  background-color: var(--bg-card);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  min-width: 240px;
}

.search-input-wrap svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 16px;
  height: 16px;
}

.form-control {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
}

.search-input-wrap .form-control {
  padding-left: 2.25rem;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

select.form-control {
  cursor: pointer;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background-color: var(--bg-card-hover);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

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

.data-table tr:hover td {
  background-color: var(--bg-card-hover);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

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

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

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

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

.badge-neutral {
  background-color: var(--bg-card-hover);
  color: var(--text-muted);
}

/* Modal Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: var(--bg-modal-backdrop);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: translateY(20px);
  transition: transform 0.2s ease;
  overflow: hidden;
}

.modal-backdrop.open .modal-card {
  transform: translateY(0);
}

.modal-card.modal-lg {
  max-width: 850px;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Form Layout */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.form-full {
  grid-column: span 2;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-help {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  stroke: var(--text-light);
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 280px;
  animation: toastIn 0.2s ease;
}

.toast-success {
  border-left: 4px solid var(--success);
}
.toast-error {
  border-left: 4px solid var(--danger);
}
.toast-info {
  border-left: 4px solid var(--info);
}

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Mobile Bottom Navigation */
#mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-sidebar);
  border-top: 1px solid var(--border-color);
  height: calc(60px + var(--safe-bottom));
  z-index: 45;
  justify-content: space-around;
  align-items: center;
  padding: 0 0.5rem var(--safe-bottom) 0.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.mobile-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
  gap: 0.2rem;
  flex: 1;
  padding: 0.35rem 0;
  min-height: 44px;
}

.mobile-nav-link svg {
  width: 20px;
  height: 20px;
}

.mobile-nav-link.active {
  color: var(--primary);
  font-weight: 700;
}

.btn:active, .icon-btn:active, .mobile-nav-link:active {
  transform: scale(0.96);
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  #sidebar {
    transform: translateX(-100%);
  }

  #sidebar.mobile-open {
    transform: translateX(0);
  }

  #main-content {
    margin-left: 0;
    padding-bottom: calc(75px + var(--safe-bottom));
  }

  #topbar {
    padding-top: calc(0.5rem + var(--safe-top));
    height: calc(var(--header-height) + var(--safe-top));
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  #mobile-nav {
    display: flex;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-full {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }

  .modal-card {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    max-height: 90dvh;
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -10px 25px -5px rgb(0 0 0 / 0.25);
    transform: translateY(100%);
  }

  .modal-backdrop.open .modal-card {
    transform: translateY(0);
  }
}

/* Print Stylesheet for A4 Invoices */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  #sidebar, #topbar, #mobile-nav, .toolbar, .no-print, #toast-container {
    display: none !important;
  }

  #main-content {
    margin: 0 !important;
    padding: 0 !important;
  }

  .view-section {
    padding: 0 !important;
    max-width: 100% !important;
  }

  .invoice-printable {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    width: 100% !important;
  }
}