/* ── Design System for VPS Forge ── */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ── Brand Palette (Official) ── */
  --vps-primary: #9975f3;
  --vps-secondary: #f5aef8;
  --vps-accent: #7b4cf0;
  --vps-gradient: linear-gradient(135deg, #9975f3 0%, #f5aef8 100%);
  --vps-gradient-subtle: linear-gradient(135deg, rgba(153,117,243,0.08) 0%, rgba(245,174,248,0.08) 100%);
  --vps-gradient-hover: linear-gradient(135deg, #7b4cf0 0%, #e891ec 100%);

  /* ── Backgrounds ── */
  --vps-bg: #f8fafc;
  --vps-bg-sidebar: #ffffff;
  --vps-card-bg: #ffffff;
  --vps-bg-elevated: #ffffff;
  --vps-bg-input: #f1f5f9;
  --vps-bg-hover: rgba(153, 117, 243, 0.06);
  --vps-bg-active: rgba(153, 117, 243, 0.10);

  /* ── Text ── */
  --vps-text: #212529;
  --vps-text-light: #64748b;
  --vps-text-muted: #94a3b8;
  --vps-text-on-brand: #ffffff;

  /* ── Borders ── */
  --vps-border: #e2e8f0;
  --vps-border-focus: #9975f3;
  --vps-border-active: rgba(153, 117, 243, 0.4);

  /* ── Semantic Colors ── */
  --vps-success: #10b981;
  --vps-success-bg: rgba(16, 185, 129, 0.08);
  --vps-warning: #f59e0b;
  --vps-warning-bg: rgba(245, 158, 11, 0.08);
  --vps-danger: #ef4444;
  --vps-danger-bg: rgba(239, 68, 68, 0.08);
  --vps-info: #3b82f6;
  --vps-info-bg: rgba(59, 130, 246, 0.08);

  /* ── Shadows ── */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-brand: 0 4px 24px rgba(153,117,243,0.30);
  --shadow-brand-sm: 0 2px 12px rgba(153,117,243,0.20);

  /* ── Radius ── */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* ── Typography ── */
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* ── Transitions ── */
  --transition-fast: 120ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 320ms ease;

  /* ── Layout ── */
  --sidebar-width: 260px;
  --sidebar-collapsed: 64px;
  --topbar-height: 60px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ── Base Styles ── */
body {
  font-family: var(--font-body) !important;
  background-color: var(--vps-bg);
  color: var(--vps-text);
  margin: 0;
  /* Override bootstrap reboot */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .brand-font {
  font-family: var(--font-display) !important;
}

code, pre {
  font-family: var(--font-mono) !important;
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--vps-primary) !important;
  outline-offset: 2px !important;
  box-shadow: none !important;
}

/* ── Common Components ── */

/* Buttons */
.btn-vps-primary {
  background: var(--vps-gradient);
  color: var(--vps-text-on-brand) !important;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-brand-sm);
  border: none;
  font-weight: 500;
  padding: 8px 24px;
  transition: transform var(--transition-fast), background var(--transition-base);
}

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

.btn-vps-primary:active {
  transform: scale(0.97);
}

.btn-vps-secondary {
  background: var(--vps-bg-elevated);
  border: 1px solid var(--vps-border);
  color: var(--vps-text);
  border-radius: var(--radius-md);
  font-weight: 500;
  padding: 8px 20px;
  transition: background var(--transition-fast);
}

.btn-vps-secondary:hover {
  background: var(--vps-bg-hover);
}

.btn-vps-danger {
  background: var(--vps-danger-bg);
  color: var(--vps-danger);
  border: 1px solid var(--vps-danger);
  border-radius: var(--radius-md);
  font-weight: 500;
  padding: 8px 20px;
  transition: all var(--transition-fast);
}

.btn-vps-danger:hover {
  background: var(--vps-danger);
  color: var(--vps-text-on-brand);
}

.btn-vps-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--vps-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

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

/* Form Inputs */
.vps-input {
  background: var(--vps-bg-input);
  border: 1px solid var(--vps-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  color: var(--vps-text);
  transition: all var(--transition-fast);
  width: 100%;
}

.vps-input:focus {
  border-color: var(--vps-border-focus);
  box-shadow: 0 0 0 3px rgba(153,117,243,0.15);
  outline: none;
}

.vps-label {
  font-size: 13px;
  color: var(--vps-text);
  font-weight: 500;
  margin-bottom: 6px;
  display: block;
}

select.vps-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Cards */
.vps-card {
  background: var(--vps-card-bg);
  border: 1px solid var(--vps-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.vps-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--vps-border-active);
  transform: translateY(-2px);
}

/* Status Pills */
.vps-badge {
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.vps-badge-success { background: var(--vps-success-bg); color: var(--vps-success); }
.vps-badge-warning { background: var(--vps-warning-bg); color: var(--vps-warning); }
.vps-badge-danger { background: var(--vps-danger-bg); color: var(--vps-danger); }
.vps-badge-info { background: var(--vps-info-bg); color: var(--vps-info); }
.vps-badge-primary { background: rgba(153, 117, 243, 0.1); color: var(--vps-accent); }
.vps-badge-muted { background: rgba(148, 163, 184, 0.1); color: var(--vps-text-light); }

/* Dot indicator for critical tasks */
.vps-dot-critical {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--vps-danger);
  animation: pulse-dot 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.2); }
}

/* Skeletons */
.vps-skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 400% 100%;
  animation: skeleton-loading 1.4s infinite linear;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Page Entry Animations */
.vps-page-content {
  animation: entryFade 200ms ease-out forwards;
}

@keyframes entryFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Layout System (3-Zone) ── */
.vps-layout-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background-color: var(--vps-bg);
}

/* Zone 1: Sidebar */
.vps-sidebar {
  width: var(--sidebar-width);
  background-color: var(--vps-bg-sidebar);
  border-right: 1px solid var(--vps-border);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-base), transform var(--transition-base);
  z-index: 1040;
  flex-shrink: 0;
}

.vps-sidebar-collapsed {
  width: var(--sidebar-collapsed);
}

.vps-sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1030;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.vps-sidebar-overlay.show {
  opacity: 1;
}

.vps-sidebar-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

/* Sidebar Nav Items */
.vps-sidebar-category {
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--vps-text-muted);
  font-weight: 700;
  padding: 12px 12px 8px;
  margin-top: 8px;
}

.vps-sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  color: var(--vps-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  margin-bottom: 4px;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.vps-sidebar-link i {
  font-size: 20px;
  color: var(--vps-text-light);
  min-width: 24px;
  text-align: center;
}

.vps-sidebar-link:hover {
  background-color: var(--vps-bg-hover);
  color: var(--vps-text);
}

.vps-sidebar-link.active {
  background-color: var(--vps-bg-active);
  color: var(--vps-accent);
  border-left-color: var(--vps-primary);
}

.vps-sidebar-link.active i {
  color: var(--vps-primary);
}

.vps-sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--vps-border);
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Zone 2 + 3 Wrapper */
.vps-content-wrapper {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* Zone 2: Topbar */
.vps-topbar {
  height: var(--topbar-height);
  background: var(--vps-bg-elevated);
  border-bottom: 1px solid var(--vps-border);
  box-shadow: var(--shadow-xs);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
  z-index: 1020;
}

.vps-global-search {
  max-width: 400px;
  width: 100%;
  position: relative;
}

.vps-global-search input {
  border-radius: var(--radius-pill);
  padding-left: 40px;
  padding-right: 48px;
}

.vps-global-search .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--vps-text-muted);
}

.vps-global-search .search-shortcut {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--vps-text-muted);
  font-size: 12px;
  font-family: var(--font-mono);
  background: white;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--vps-border);
}

/* Zone 3: Main */
.vps-main {
  flex-grow: 1;
  padding: 32px;
  overflow-y: auto;
}

.vps-page-header {
  margin-bottom: 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.vps-page-title {
  font-size: 28px;
  color: var(--vps-text);
  margin-bottom: 4px;
}

.vps-page-subtitle {
  color: var(--vps-text-light);
  font-size: 15px;
}

/* Mobile specific overrides */
@media (max-width: 768px) {
  .vps-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    transform: translateX(-100%);
  }
  
  .vps-sidebar.open {
    transform: translateX(0);
  }
  
  .vps-sidebar-overlay {
    display: block;
  }
  
  .vps-topbar {
    height: 56px;
    padding: 0 16px;
  }
  
  .vps-main {
    padding: 20px 16px;
  }
  
  .vps-mobile-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--vps-gradient);
    color: white;
    box-shadow: var(--shadow-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    z-index: 1010;
    border: none;
  }
}

/* Sidebar Collapse Styles */
.vps-sidebar-collapse-toggle {
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--vps-bg-elevated);
  border: 1px solid var(--vps-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vps-text-muted);
  box-shadow: var(--shadow-sm);
  z-index: 1050;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.vps-sidebar-collapse-toggle:hover {
  background: var(--vps-bg-hover);
  color: var(--vps-text);
  border-color: var(--vps-primary);
}

.vps-sidebar-collapsed .vps-sidebar-link span {
  display: none;
}

.vps-sidebar-collapsed .vps-sidebar-category {
  color: transparent;
  user-select: none;
  border-bottom: 1px solid var(--vps-border);
  margin-left: 12px;
  margin-right: 12px;
  height: 1px;
  padding: 0;
  margin-top: 16px;
  margin-bottom: 8px;
}

.vps-sidebar-collapsed .vps-brand-container {
  display: none !important;
}

.vps-sidebar-collapsed .vps-brand-icon-only {
  display: flex !important;
  margin: 0 auto;
}

.vps-sidebar-collapsed .vps-sidebar-user-meta {
  display: none !important;
}

.vps-sidebar-collapsed .vps-sidebar-login-icon {
  display: flex !important;
  margin: 0 auto;
}

.vps-sidebar-collapsed .vps-sidebar-footer {
  justify-content: center;
  padding: 16px 8px;
}

.vps-sidebar-collapsed .vps-sidebar-link i {
  margin: 0 auto;
}

.vps-sidebar-collapsed .vps-sidebar-link {
  justify-content: center;
  padding: 10px;
}

/* Modals */
.vps-modal-backdrop {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.vps-modal {
  background: var(--vps-card-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.vps-modal-enter {
  animation: modalEnter 180ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.vps-modal-exit {
  animation: modalExit 180ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes modalExit {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.95); }
}

/* Toasts */
@keyframes toastProgress {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

/* Right-Side Context Panel */
.vps-context-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  height: 100vh;
  background: var(--vps-card-bg);
  box-shadow: var(--shadow-lg);
  z-index: 1045;
  transform: translateX(100%);
  transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.vps-context-panel.open {
  transform: translateX(0);
}

.vps-context-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.2);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms ease;
}

.vps-context-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 768px) {
  .vps-context-panel {
    width: 100%;
  }
}

/* Auth Layout overrides */
.vps-auth-layout .vps-main {
    margin-left: 0 !important;
    padding-top: 0 !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.vps-auth-layout .vps-page-content {
    margin: 0 auto !important;
    border-radius: 0 !important;
}
.vps-auth-layout .vps-topbar {
    display: none !important;
}