/* ==========================================================================
   DIGITAL AFRIKA MANAGER - DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. COLOR PALETTE & VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Vibrant African Tech Theme */
  --primary-50: #EEF2FF;
  --primary-100: #E0E7FF;
  --primary-500: #4F46E5;
  --primary-600: #4338CA;
  --primary-700: #3730A3;
  --primary-900: #1E1B4B;

  --accent-gold: #F59E0B;
  --accent-gold-hover: #D97706;
  --accent-gold-light: #FEF3C7;

  --teal-500: #06B6D4;
  --emerald-500: #10B981;
  --emerald-100: #D1FAE5;
  --rose-500: #EF4444;
  --rose-100: #FEE2E2;

  /* Light Theme Variables */
  --bg-main: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-sidebar: #0F172A;
  --bg-topbar: #FFFFFF;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border-color: #E2E8F0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 80px;
  --topbar-height: 70px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.2);

  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.25s ease-in-out;
}

[data-theme="dark"] {
  /* Dark Theme Overrides */
  --bg-main: #090D16;
  --bg-card: #1E293B;
  --bg-sidebar: #0B1120;
  --bg-topbar: #1E293B;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-light: #64748B;
  --border-color: #334155;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --glass-bg: rgba(30, 41, 59, 0.85);
  --glass-border: rgba(255, 255, 255, 0.05);
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   3. LAYOUT & STRUCTURE
   -------------------------------------------------------------------------- */
#app-root {
  display: flex;
  min-height: 100vh;
  width: 100vw;
  position: relative;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  color: #F8FAFC;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-header {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-gold), #EF4444);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.brand-text span {
  color: var(--accent-gold);
}

.sidebar-menu {
  padding: 1.25rem 0.75rem;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.menu-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748B;
  padding: 0.75rem 0.75rem 0.25rem;
  font-weight: 700;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: #94A3B8;
  font-weight: 500;
  font-size: 0.92rem;
  transition: var(--transition);
}

.nav-item i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #FFF;
}

.nav-item.active {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: #FFF;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Main Area */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: var(--transition);
  width: calc(100% - var(--sidebar-width));
}

/* Topbar */
.topbar {
  height: var(--topbar-height);
  background-color: var(--bg-topbar);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(10px);
  background-color: var(--glass-bg);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.page-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  transition: var(--transition);
  position: relative;
}

.icon-btn:hover {
  color: var(--primary-500);
  border-color: var(--primary-500);
  transform: translateY(-2px);
}

.badge-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--rose-500);
  border-radius: 50%;
}

.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0.75rem 0.4rem 0.4rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  transition: var(--transition);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-gold), var(--primary-600));
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.user-info {
  text-align: left;
  line-height: 1.2;
}

.user-name {
  font-size: 0.88rem;
  font-weight: 600;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Page Content */
.content-area {
  padding: 2rem;
  flex: 1;
}

/* --------------------------------------------------------------------------
   4. UI COMPONENTS (CARDS, BUTTONS, TABLES, BADGES)
   -------------------------------------------------------------------------- */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: #FFF;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(79, 70, 229, 0.35);
}

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

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

.btn-danger {
  background-color: var(--rose-500);
  color: #FFF;
}

.btn-danger:hover {
  background-color: #DC2626;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
  color: #FFF;
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(245, 158, 11, 0.4);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  border-radius: 6px;
}

/* Metric / Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--card-accent, var(--primary-500));
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--icon-bg, var(--primary-50));
  color: var(--icon-color, var(--primary-500));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.stat-details {
  flex: 1;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stat-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.2rem;
}

.stat-trend {
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin-top: 0.4rem;
}

.stat-trend.up { color: var(--emerald-500); }
.stat-trend.down { color: var(--rose-500); }

/* Card Panels */
.card-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

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

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body {
  padding: 1.5rem;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.custom-table th {
  padding: 1rem 1.25rem;
  background-color: var(--bg-main);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.custom-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.custom-table tbody tr {
  transition: var(--transition);
}

.custom-table tbody tr:hover {
  background-color: rgba(79, 70, 229, 0.03);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-success { background-color: rgba(16, 185, 129, 0.15); color: #10B981; }
.badge-warning { background-color: rgba(245, 158, 11, 0.15); color: #F59E0B; }
.badge-danger  { background-color: rgba(239, 68, 68, 0.15);  color: #EF4444; }
.badge-info    { background-color: rgba(6, 182, 212, 0.15);  color: #06B6D4; }
.badge-primary { background-color: rgba(79, 70, 229, 0.15);  color: #4F46E5; }
.badge-neutral { background-color: rgba(148, 163, 184, 0.15); color: #64748B; }

/* Filter & Search Bar Controls */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-box i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

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

.select-control {
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  outline: none;
}

/* --------------------------------------------------------------------------
   5. MODAL DIALOGS
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 550px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-backdrop.active .modal-container {
  transform: translateY(0);
}

.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-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.modal-close:hover {
  background-color: var(--bg-main);
  color: var(--rose-500);
}

.modal-body {
  padding: 1.5rem;
}

.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;
  background-color: var(--bg-main);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

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

/* --------------------------------------------------------------------------
   6. LOGIN SCREEN STYLES
   -------------------------------------------------------------------------- */
.login-wrapper {
  min-height: 100vh;
  width: 100vw;
  display: flex;
  background: radial-gradient(circle at 10% 20%, #1E1B4B 0%, #0F172A 90%);
  position: relative;
  overflow: hidden;
}

.login-decoration {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, rgba(0,0,0,0) 70%);
  top: -100px;
  right: -100px;
  border-radius: 50%;
  filter: blur(40px);
}

.login-card {
  margin: auto;
  width: 100%;
  max-width: 440px;
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  color: #FFF;
  position: relative;
  z-index: 2;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo {
  width: 54px;
  height: 54px;
  background: linear-gradient(135deg, var(--accent-gold), #EF4444);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 1rem;
  box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

.login-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 0.88rem;
  color: #94A3B8;
  margin-top: 0.3rem;
}

.demo-credentials-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  color: #CBD5E1;
}

/* --------------------------------------------------------------------------
   7. KANBAN & SPECIAL FEATURE STYLES
   -------------------------------------------------------------------------- */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  align-items: start;
}

.kanban-col {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.kanban-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-weight: 700;
  font-size: 0.9rem;
}

.kanban-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}

.kanban-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   8. TOAST NOTIFICATIONS
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  animation: slideInRight 0.3s ease;
}

.toast-success { border-left: 4px solid var(--emerald-500); }
.toast-error { border-left: 4px solid var(--rose-500); }
.toast-info { border-left: 4px solid var(--primary-500); }

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

/* --------------------------------------------------------------------------
   9. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
    width: 100%;
  }
  .topbar {
    padding: 0 1rem;
  }
  .content-area {
    padding: 1rem;
  }
}