@import "tailwindcss";

/* ==========================================================================
   FINTECH DESIGN SYSTEM - Tailwind CSS v4 Compatible
   ========================================================================== */

/* Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   Theme Configuration (Tailwind v4)
   ========================================================================== */

@theme {
  /* Colors - Primary (Deep violet) */
  --color-primary: oklch(0.6 0.25 270);
  --color-primary-foreground: oklch(1 0 0);
  
  /* Colors - Secondary */
  --color-secondary: oklch(0.96 0.01 250);
  --color-secondary-foreground: oklch(0.2 0.02 250);
  
  /* Colors - Muted */
  --color-muted: oklch(0.96 0.01 250);
  --color-muted-foreground: oklch(0.55 0.02 250);
  
  /* Colors - Accent (Teal) */
  --color-accent: oklch(0.7 0.15 180);
  --color-accent-foreground: oklch(1 0 0);
  
  /* Colors - Destructive */
  --color-destructive: oklch(0.6 0.25 25);
  --color-destructive-foreground: oklch(1 0 0);
  
  /* Colors - Success */
  --color-success: oklch(0.6 0.2 145);
  --color-success-foreground: oklch(1 0 0);
  
  /* Colors - Warning */
  --color-warning: oklch(0.75 0.18 70);
  --color-warning-foreground: oklch(0.2 0 0);
  
  /* Colors - Info */
  --color-info: oklch(0.6 0.2 250);
  --color-info-foreground: oklch(1 0 0);
  
  /* Colors - Card */
  --color-card: oklch(1 0 0);
  --color-card-foreground: oklch(0.2 0.02 250);
  
  /* Colors - Popover */
  --color-popover: oklch(1 0 0);
  --color-popover-foreground: oklch(0.2 0.02 250);
  
  /* Colors - Background/Foreground */
  --color-background: oklch(0.98 0.005 250);
  --color-foreground: oklch(0.2 0.02 250);
  
  /* Colors - Border/Input/Ring */
  --color-border: oklch(0.92 0.01 250);
  --color-input: oklch(0.92 0.01 250);
  --color-ring: oklch(0.6 0.25 270);
  
  /* Colors - Sidebar */
  --color-sidebar: oklch(0.2 0.02 250);
  --color-sidebar-foreground: oklch(0.95 0.01 250);
  --color-sidebar-primary: oklch(0.65 0.25 270);
  --color-sidebar-primary-foreground: oklch(1 0 0);
  --color-sidebar-accent: oklch(0.28 0.02 250);
  --color-sidebar-accent-foreground: oklch(0.95 0.01 250);
  --color-sidebar-border: oklch(0.28 0.02 250);
  --color-sidebar-muted: oklch(0.55 0.02 250);
  
  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  
  /* Shadows */
  --shadow-soft: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-medium: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Sidebar widths */
  --sidebar-width: 16rem;
  --sidebar-width-icon: 3.5rem;
  
  /* Font family */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

html {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-background);
  color: var(--color-foreground);
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
}

/* ==========================================================================
   Custom Utility Classes
   ========================================================================== */

/* Background utilities */
.bg-background { background-color: var(--color-background); }
.bg-foreground { background-color: var(--color-foreground); }
.bg-card { background-color: var(--color-card); }
.bg-popover { background-color: var(--color-popover); }
.bg-primary { background-color: var(--color-primary); }
.bg-primary\/10 { background-color: color-mix(in oklch, var(--color-primary) 10%, transparent); }
.bg-primary\/20 { background-color: color-mix(in oklch, var(--color-primary) 20%, transparent); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-muted { background-color: var(--color-muted); }
.bg-muted\/30 { background-color: color-mix(in oklch, var(--color-muted) 30%, transparent); }
.bg-accent { background-color: var(--color-accent); }
.bg-destructive { background-color: var(--color-destructive); }
.bg-destructive\/10 { background-color: color-mix(in oklch, var(--color-destructive) 10%, transparent); }
.bg-success { background-color: var(--color-success); }
.bg-success\/10 { background-color: color-mix(in oklch, var(--color-success) 10%, transparent); }
.bg-success\/20 { background-color: color-mix(in oklch, var(--color-success) 20%, transparent); }
.bg-warning { background-color: var(--color-warning); }
.bg-warning\/10 { background-color: color-mix(in oklch, var(--color-warning) 10%, transparent); }
.bg-warning\/20 { background-color: color-mix(in oklch, var(--color-warning) 20%, transparent); }
.bg-info { background-color: var(--color-info); }

/* Sidebar backgrounds */
.bg-sidebar { background-color: var(--color-sidebar); }
.bg-sidebar-accent { background-color: var(--color-sidebar-accent); }

/* Text utilities */
.text-foreground { color: var(--color-foreground); }
.text-card-foreground { color: var(--color-card-foreground); }
.text-primary { color: var(--color-primary); }
.text-primary-foreground { color: var(--color-primary-foreground); }
.text-secondary-foreground { color: var(--color-secondary-foreground); }
.text-muted-foreground { color: var(--color-muted-foreground); }
.text-accent-foreground { color: var(--color-accent-foreground); }
.text-destructive { color: var(--color-destructive); }
.text-destructive-foreground { color: var(--color-destructive-foreground); }
.text-success { color: var(--color-success); }
.text-success-foreground { color: var(--color-success-foreground); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }

/* Sidebar text */
.text-sidebar-foreground { color: var(--color-sidebar-foreground); }
.text-sidebar-primary { color: var(--color-sidebar-primary); }
.text-sidebar-muted { color: var(--color-sidebar-muted); }
.text-sidebar-accent-foreground { color: var(--color-sidebar-accent-foreground); }

/* Border utilities */
.border-border { border-color: var(--color-border); }
.border-input { border-color: var(--color-input); }
.border-primary { border-color: var(--color-primary); }
.border-primary\/20 { border-color: color-mix(in oklch, var(--color-primary) 20%, transparent); }
.border-primary\/30 { border-color: color-mix(in oklch, var(--color-primary) 30%, transparent); }
.border-success\/30 { border-color: color-mix(in oklch, var(--color-success) 30%, transparent); }
.border-destructive\/30 { border-color: color-mix(in oklch, var(--color-destructive) 30%, transparent); }
.border-sidebar-border { border-color: var(--color-sidebar-border); }

/* Ring utilities */
.ring-ring { --tw-ring-color: var(--color-ring); }
.ring-sidebar-ring { --tw-ring-color: var(--color-sidebar-primary); }

/* Shadow utilities */
.shadow-soft { box-shadow: var(--shadow-soft); }
.shadow-medium { box-shadow: var(--shadow-medium); }

/* ==========================================================================
   Animation
   ========================================================================== */

.animate-fade-in {
  animation: fadeIn 0.3s ease-out;
}

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

.transition-smooth {
  transition: all 0.3s ease-out;
}

/* ==========================================================================
   Component Classes
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

.btn:disabled {
  pointer-events: none;
  opacity: 0.5;
}

.btn-primary {
  padding: 0.5rem 1rem;
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
}

.btn-primary:hover {
  background-color: color-mix(in oklch, var(--color-primary) 90%, black);
}

.btn-secondary {
  padding: 0.5rem 1rem;
  background-color: var(--color-secondary);
  color: var(--color-secondary-foreground);
}

.btn-secondary:hover {
  background-color: color-mix(in oklch, var(--color-secondary) 80%, black 5%);
}

.btn-outline {
  padding: 0.5rem 1rem;
  background-color: transparent;
  border: 1px solid var(--color-input);
  color: var(--color-foreground);
}

.btn-outline:hover {
  background-color: var(--color-muted);
}

.btn-ghost {
  padding: 0.5rem 1rem;
  background-color: transparent;
  color: var(--color-foreground);
}

.btn-ghost:hover {
  background-color: var(--color-muted);
}

.btn-destructive {
  padding: 0.5rem 1rem;
  background-color: var(--color-destructive);
  color: var(--color-destructive-foreground);
}

.btn-destructive:hover {
  background-color: color-mix(in oklch, var(--color-destructive) 90%, black);
}

.btn-sm {
  height: 2rem;
  padding: 0 0.75rem;
  font-size: 0.75rem;
}

.btn-lg {
  height: 3rem;
  padding: 0 1.5rem;
  font-size: 1rem;
}

.btn-icon {
  height: 2.25rem;
  width: 2.25rem;
  padding: 0;
}

/* Cards */
.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 1.5rem;
}

.card-title {
    font-weight: 600;
  line-height: 1;
  letter-spacing: -0.025em;
}

.card-description {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

.card-content {
  padding: 0 1.5rem 1.5rem;
}

.card-footer {
  display: flex;
  align-items: center;
  padding: 0 1.5rem 1.5rem;
}

/* Inputs */
.input {
  display: flex;
  height: 2.5rem;
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-input);
  background-color: var(--color-background);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

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

.input:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

.input:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* Labels */
.label {
  font-size: 0.875rem;
    font-weight: 500;
  line-height: 1;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  padding: 0.125rem 0.625rem;
  font-size: 0.75rem;
    font-weight: 600;
  transition: colors 0.2s;
}

.badge-default {
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
}

.badge-secondary {
  background-color: var(--color-secondary);
  color: var(--color-secondary-foreground);
}

.badge-success {
  background-color: color-mix(in oklch, var(--color-success) 15%, transparent);
  color: var(--color-success);
}

.badge-warning {
  background-color: color-mix(in oklch, var(--color-warning) 15%, transparent);
  color: color-mix(in oklch, var(--color-warning) 100%, black 30%);
}

.badge-destructive {
  background-color: color-mix(in oklch, var(--color-destructive) 15%, transparent);
  color: var(--color-destructive);
}

.badge-info {
  background-color: color-mix(in oklch, var(--color-info) 15%, transparent);
  color: var(--color-info);
}

/* Separators */
.separator-horizontal {
  height: 1px;
  width: 100%;
  background-color: var(--color-border);
}

.separator-vertical {
  width: 1px;
  height: 100%;
  background-color: var(--color-border);
}

/* ==========================================================================
   Toast / Flash Messages
   ========================================================================== */

.toast {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 1rem;
  box-shadow: var(--shadow-medium);
  background-color: var(--color-background);
}

.toast-success {
  background-color: color-mix(in oklch, var(--color-success) 10%, var(--color-background));
  border-color: color-mix(in oklch, var(--color-success) 30%, transparent);
  color: var(--color-success);
}

.toast-error {
  background-color: color-mix(in oklch, var(--color-destructive) 10%, var(--color-background));
  border-color: color-mix(in oklch, var(--color-destructive) 30%, transparent);
  color: var(--color-destructive);
}

.toast-warning {
  background-color: color-mix(in oklch, var(--color-warning) 10%, var(--color-background));
  border-color: color-mix(in oklch, var(--color-warning) 30%, transparent);
  color: color-mix(in oklch, var(--color-warning) 100%, black 20%);
}

.toast-info {
  background-color: color-mix(in oklch, var(--color-info) 10%, var(--color-background));
  border-color: color-mix(in oklch, var(--color-info) 30%, transparent);
  color: var(--color-info);
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  border: 2px dashed var(--color-border);
  background-color: color-mix(in oklch, var(--color-muted) 30%, transparent);
  padding: 3rem;
  text-align: center;
}

.empty-state-icon {
  display: flex;
  height: 4rem;
  width: 4rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background-color: color-mix(in oklch, var(--color-primary) 10%, transparent);
  margin-bottom: 1rem;
}

.empty-state-icon svg {
  height: 2rem;
  width: 2rem;
  color: var(--color-primary);
}

.empty-state-title {
  font-size: 1.25rem;
    font-weight: 600;
  margin-bottom: 0.5rem;
}

.empty-state-description {
  max-width: 28rem;
  margin-bottom: 1.5rem;
  color: var(--color-muted-foreground);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
  position: fixed;
  inset-block: 0;
  left: 0;
  z-index: 50;
  display: flex;
  height: 100%;
  width: var(--sidebar-width);
  flex-direction: column;
  background-color: var(--color-sidebar);
  color: var(--color-sidebar-foreground);
  transition: all 0.3s ease-in-out;
}

.sidebar[data-state="collapsed"] {
  width: var(--sidebar-width-icon);
}

.sidebar-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
}

.sidebar-content {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  gap: 0.5rem;
  overflow: auto;
  padding: 0 0.5rem;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
}

.sidebar-group {
  position: relative;
  display: flex;
  width: 100%;
  min-width: 0;
  flex-direction: column;
  padding: 0.5rem;
}

.sidebar-group-label {
  display: flex;
  height: 2rem;
  flex-shrink: 0;
  align-items: center;
  border-radius: var(--radius-md);
  padding: 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-sidebar-muted);
}

.sidebar-menu {
  display: flex;
  width: 100%;
  min-width: 0;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-menu-item {
  position: relative;
}

.sidebar-menu-button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.75rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-sidebar-foreground);
  outline: none;
  transition: all 0.2s;
  text-decoration: none;
}

.sidebar-menu-button:hover {
  background-color: var(--color-sidebar-accent);
  color: var(--color-sidebar-accent-foreground);
}

.sidebar-menu-button[data-active="true"] {
  background-color: var(--color-sidebar-accent);
  color: var(--color-sidebar-primary);
}

.sidebar-separator {
  margin: 0 0.5rem;
  background-color: var(--color-sidebar-border);
}

.sidebar-trigger {
  height: 1.75rem;
  width: 1.75rem;
}

/* Main content when sidebar is present */
.sidebar-inset {
  position: relative;
  display: flex;
  min-height: 100vh;
  flex: 1;
  flex-direction: column;
  background-color: var(--color-background);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background-color: rgb(0 0 0 / 0.6);
  backdrop-filter: blur(4px);
  display: none;
}

.sidebar-overlay[data-visible="true"] {
  display: block;
}

/* Responsive sidebar */
@media (max-width: 1023px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar[data-open="true"] {
    transform: translateX(0);
  }
}

@media (min-width: 1024px) {
  .sidebar-inset {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease-in-out;
  }
  
  .sidebar[data-state="collapsed"] ~ .sidebar-inset {
    margin-left: var(--sidebar-width-icon);
  }
}

/* ==========================================================================
   Form Stepper
   ========================================================================== */

.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stepper-item {
  display: flex;
  align-items: center;
}

.stepper-indicator {
  display: flex;
  height: 2.5rem;
  width: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 2px solid;
  transition: all 0.2s;
}

.stepper-indicator-pending {
  border-color: var(--color-muted);
  color: var(--color-muted-foreground);
}

.stepper-indicator-current {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.stepper-indicator-completed {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-foreground);
}

.stepper-connector {
  height: 2px;
  margin: 0 0.5rem;
}

.stepper-connector-pending {
  background-color: var(--color-muted);
}

.stepper-connector-completed {
  background-color: var(--color-primary);
}

.stepper-label {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.stepper-label-active {
  color: var(--color-foreground);
}

.stepper-label-inactive {
  color: var(--color-muted-foreground);
}

/* ==========================================================================
   Gradient backgrounds
   ========================================================================== */

.from-primary\/10 {
  --tw-gradient-from: color-mix(in oklch, var(--color-primary) 10%, transparent);
}

.from-primary\/5 {
  --tw-gradient-from: color-mix(in oklch, var(--color-primary) 5%, transparent);
}

.to-primary\/5 {
  --tw-gradient-to: color-mix(in oklch, var(--color-primary) 5%, transparent);
}

.from-success\/10 {
  --tw-gradient-from: color-mix(in oklch, var(--color-success) 10%, transparent);
}

.from-success\/5 {
  --tw-gradient-from: color-mix(in oklch, var(--color-success) 5%, transparent);
}

.to-success\/5 {
  --tw-gradient-to: color-mix(in oklch, var(--color-success) 5%, transparent);
}

.from-warning\/10 {
  --tw-gradient-from: color-mix(in oklch, var(--color-warning) 10%, transparent);
}

.from-warning\/5 {
  --tw-gradient-from: color-mix(in oklch, var(--color-warning) 5%, transparent);
}

.to-warning\/5 {
  --tw-gradient-to: color-mix(in oklch, var(--color-warning) 5%, transparent);
}

.from-accent\/10 {
  --tw-gradient-from: color-mix(in oklch, var(--color-accent) 10%, transparent);
}

.to-accent\/10 {
  --tw-gradient-to: color-mix(in oklch, var(--color-accent) 10%, transparent);
}

/* ==========================================================================
   Status Dots
   ========================================================================== */

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
}

.status-draft { background-color: var(--color-muted-foreground); }
.status-pending { background-color: var(--color-warning); }
.status-active { background-color: var(--color-success); }
.status-cancelled { background-color: var(--color-destructive); }

/* ==========================================================================
   Glass Effect
   ========================================================================== */

.glass {
  background-color: color-mix(in oklch, var(--color-card) 80%, transparent);
  backdrop-filter: blur(12px);
  border: 1px solid color-mix(in oklch, var(--color-border) 50%, transparent);
}

/* ==========================================================================
   Text Gradient
   ========================================================================== */

.text-gradient {
  background-image: linear-gradient(to right, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}