/**
 * XPROJECT Design System
 * Inspired by: Stripe (light) + Linear (dark)
 * Version: 1.0.0
 */

:root {
  /* ========================================
     LIGHT MODE (Stripe inspired)
     ======================================== */
  
  /* Primary Colors */
  --color-primary: #635BFF;        /* Stripe Purple */
  --color-primary-hover: #0A2540;  /* Stripe Dark Blue */
  --color-primary-light: #F6F9FC;  /* Stripe Light Gray */
  
  /* Background */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F6F9FC;
  --bg-tertiary: #E3E8EF;
  --bg-elevated: #FFFFFF;
  
  /* Text */
  --text-primary: #0A2540;
  --text-secondary: #425466;
  --text-tertiary: #697386;
  --text-placeholder: #9CA3AF;
  --text-inverse: #FFFFFF;
  
  /* Border */
  --border-color: #E3E8EF;
  --border-hover: #CBD5E0;
  --border-focus: #635BFF;
  
  /* Status Colors */
  --color-success: #00D924;
  --color-success-bg: #ECFDF5;
  --color-warning: #F59E0B;
  --color-warning-bg: #FFFBEB;
  --color-error: #DF1B41;
  --color-error-bg: #FEF2F2;
  --color-info: #0096FF;
  --color-info-bg: #EFF6FF;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Sidebar */
  --sidebar-bg: #FFFFFF;
  --sidebar-text: #0A2540;
  --sidebar-hover: #F6F9FC;
  --sidebar-active: #635BFF;
  --sidebar-active-bg: #F0F0FF;
  
  /* Card */
  --card-bg: #FFFFFF;
  --card-border: #E3E8EF;
  --card-shadow: var(--shadow-md);
  
  /* Input */
  --input-bg: #FFFFFF;
  --input-border: #E3E8EF;
  --input-text: #0A2540;
  --input-placeholder: #9CA3AF;
  
  /* Other */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --transition: all 0.2s ease;
}

/* ========================================
   DARK MODE (Linear inspired)
   ======================================== */

[data-theme="dark"] {
  /* Primary Colors */
  --color-primary: #5E6AD2;        /* Linear Purple */
  --color-primary-hover: #7B89FF;
  --color-primary-light: #1C1F2E;
  
  /* Background */
  --bg-primary: #0D0E12;           /* Linear Dark */
  --bg-secondary: #16181D;
  --bg-tertiary: #1C1F2E;
  --bg-elevated: #1C1F2E;
  
  /* Text */
  --text-primary: #F5F5F7;
  --text-secondary: #B4B8C1;
  --text-tertiary: #7C8089;
  --text-placeholder: #6B7280;
  --text-inverse: #0D0E12;
  
  /* Border */
  --border-color: #2D3139;
  --border-hover: #3F444E;
  --border-focus: #5E6AD2;
  
  /* Status Colors */
  --color-success: #10B981;
  --color-success-bg: #064E3B;
  --color-warning: #F59E0B;
  --color-warning-bg: #78350F;
  --color-error: #EF4444;
  --color-error-bg: #7F1D1D;
  --color-info: #3B82F6;
  --color-info-bg: #1E3A8A;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  
  /* Sidebar */
  --sidebar-bg: #16181D;
  --sidebar-text: #F5F5F7;
  --sidebar-hover: #1C1F2E;
  --sidebar-active: #5E6AD2;
  --sidebar-active-bg: #2D3139;
  
  /* Card */
  --card-bg: #181C23;        /* aligné sur la couleur des lignes (--pg-tile) */
  --card-border: #2D3139;
  --card-shadow: var(--shadow-lg);
  
  /* Input */
  --input-bg: #1C1F2E;
  --input-border: #2D3139;
  --input-text: #F5F5F7;
  --input-placeholder: #6B7280;
}

/* ========================================
   BASE STYLES
   ======================================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ========================================
   LAYOUT
   ======================================== */

.layout {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  padding: 2rem;
  background: var(--bg-primary);
  overflow-y: auto;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--color-primary-hover);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

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

/* ========================================
   CARDS
   ======================================== */

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

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

.card-header {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  color: var(--text-secondary);
}

/* ========================================
   INPUTS
   ======================================== */

.input {
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--input-text);
  transition: var(--transition);
}

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

.input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.1);
}

.input:hover {
  border-color: var(--border-hover);
}

/* ========================================
   SIDEBAR
   ======================================== */

.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  height: 100vh;
  padding: 1.5rem;
  transition: var(--transition);
  overflow-y: auto;
}

.sidebar-header {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--sidebar-text);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.sidebar-item:hover {
  background: var(--sidebar-hover);
}

.sidebar-item.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active);
  font-weight: 500;
}

/* ========================================
   BADGES
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
}

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

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

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

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

/* ========================================
   THEME TOGGLE
   ======================================== */

.theme-toggle {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 9999;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
}

/* ========================================
   UTILITIES
   ======================================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: 1rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.text-center {
  text-align: center;
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

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

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .sidebar {
    position: fixed;
    left: -100%;
    z-index: 1000;
    transition: left 0.3s ease;
  }
  
  .sidebar.open {
    left: 0;
  }
}

/* ========================================
   ADMIN COMPONENTS
   ======================================== */

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.admin-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.admin-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.admin-card-icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.admin-card h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.admin-card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.info-row:hover {
  background: var(--bg-tertiary);
}

.info-row label {
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
}

.info-row .value {
  color: var(--text-secondary);
}

.modal-section {
  margin-bottom: 2rem;
}

.modal-section h4 {
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

/* ========================================
   GLOBAL INPUT FIX FOR DARK MODE
   ======================================== */

/* Force all text inputs, textareas, and selects to use theme colors */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
textarea,
select {
  color: var(--input-text);
  background: var(--input-bg);
}

input::placeholder,
textarea::placeholder {
  color: var(--input-placeholder);
}

/* Ensure focus states are visible */
input:focus,
textarea:focus,
select:focus {
  border-color: var(--border-focus);
  outline: none;
}

/* Fix for inputs with background:none or transparent backgrounds */
input[style*="background:none"],
input[style*="background: none"],
input[style*="background:transparent"],
input[style*="background: transparent"] {
  color: var(--text-primary) !important;
}