@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: #070a12;
  --bg-secondary: #0c1220;
  --bg-surface: #0f172a;
  --bg-surface-hover: #17223b;
  --bg-elevated: #131d33;
  
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-active: rgba(99, 102, 241, 0.4);
  --border-glow: rgba(99, 102, 241, 0.2);

  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.35);
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --accent-subtle: rgba(99, 102, 241, 0.12);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --info: #38bdf8;
  --info-bg: rgba(56, 189, 248, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px var(--accent-glow);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

button {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.12), transparent 70%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.06), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(56, 189, 248, 0.04), transparent 50%);
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

code, pre {
  font-family: 'JetBrains Mono', monospace;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Glass Panels */
.glass-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* Sidebar Navigation Items - Pure Dark Design */
.nav-item {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  padding: 0.65rem 0.85rem !important;
  background: rgba(255, 255, 255, 0.02) !important;
  border: 1px solid transparent !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-secondary) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  cursor: pointer !important;
  transition: all var(--transition-fast) !important;
  width: 100% !important;
  margin-bottom: 2px !important;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06) !important;
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

.nav-item.active {
  background: rgba(99, 102, 241, 0.14) !important;
  border-color: rgba(99, 102, 241, 0.35) !important;
  color: var(--accent-light) !important;
  font-weight: 600 !important;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.1) !important;
}

.nav-item .badge {
  background: rgba(255, 255, 255, 0.06) !important;
  color: var(--text-muted) !important;
  border: none !important;
  font-size: 0.75rem !important;
  padding: 0.15rem 0.5rem !important;
  font-weight: 600 !important;
}

.nav-item.active .badge {
  background: rgba(99, 102, 241, 0.25) !important;
  color: var(--accent-light) !important;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  user-select: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
  filter: brightness(1.08);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--danger-bg);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* Document Cards */
.doc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  cursor: pointer;
}

.doc-card:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: var(--shadow-md);
  background: var(--bg-surface-hover);
}

/* Inputs */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
  text-align: left;
}

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

.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(8, 12, 22, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.925rem;
  outline: none;
  transition: all var(--transition-fast);
}

.input-field:focus {
  border-color: var(--accent-light);
  box-shadow: 0 0 0 3px var(--accent-subtle);
  background: rgba(8, 12, 22, 0.9);
}

.input-field::placeholder {
  color: var(--text-muted);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-pdf {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-image {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-text {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-lock {
  background: var(--accent-subtle);
  color: var(--accent-light);
  border: 1px solid var(--border-active);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 14, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

.modal-container {
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-container.modal-fullscreen {
  max-width: 95vw;
  height: 92vh;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ====================================================
   TOAST NOTIFICATION SYSTEM
   ==================================================== */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999999;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.25rem;
  color: #f8fafc;
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(99, 102, 241, 0.2);
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.toast.toast-error {
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(239, 68, 68, 0.2);
}

.toast.toast-out {
  animation: toastOut 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(12px) scale(0.92);
  }
}

@media (max-width: 640px) {
  #toast-container {
    bottom: 16px;
    right: 16px;
    left: 16px;
    align-items: center;
  }
  .toast {
    width: 100%;
    max-width: 100%;
  }
}