/* ===================================================
   styles.css — Global Styles & Dark Mode Variables
   Global Hillview Society Portal
   =================================================== */

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

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

body {
  font-family: 'Inter', sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== ENHANCED DARK MODE VARIABLES ===== */
:root {
  /* Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-elevated: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --border-color: #e5e7eb;
  --border-light: #f3f4f6;
  --hover-bg: #f3f4f6;
  --hover-bg-light: #f9fafb;
  --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);
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --input-focus: #3b82f6;
  --card-bg: #ffffff;
  --header-bg: #ffffff;
}

[data-theme="dark"] {
  /* Dark Mode */
  --bg-primary: #1f2937;
  --bg-secondary: #111827;
  --bg-tertiary: #374151;
  --bg-elevated: #252d3d;
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-tertiary: #9ca3af;
  --border-color: #374151;
  --border-light: #4b5563;
  --hover-bg: #374151;
  --hover-bg-light: #2d3748;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
  --input-bg: #374151;
  --input-border: #4b5563;
  --input-focus: #60a5fa;
  --card-bg: #1f2937;
  --header-bg: #1f2937;
}

/* ===== SMOOTH TRANSITIONS ===== */
* {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: 200ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== BASE ELEMENT STYLES ===== */
.spinner {
  border: 3px solid var(--border-color);
  border-top: 3px solid #3b82f6;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

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

.nav-item {
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: rgba(59, 130, 246, 0.1);
  border-left-color: #3b82f6;
}

.nav-item.active {
  background: rgba(59, 130, 246, 0.15);
  border-left-color: #3b82f6;
  font-weight: 600;
}

[data-theme="dark"] .nav-item:hover  { background: rgba(96, 165, 250, 0.15); }
[data-theme="dark"] .nav-item.active { background: rgba(96, 165, 250, 0.2);  }

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

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

.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

[data-theme="dark"] .gradient-bg {
  background: linear-gradient(135deg, #4c51bf 0%, #5a2563 100%);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
  backdrop-filter: blur(4px);
}

[data-theme="dark"] .modal-overlay { background: rgba(0, 0, 0, 0.75); }

.modal-content {
  background: var(--card-bg);
  border-radius: 16px;
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

/* ===== COMPREHENSIVE DARK MODE OVERRIDES ===== */

/* Backgrounds */
[data-theme="dark"] body,
[data-theme="dark"] .bg-gray-50 {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .bg-white  { background-color: var(--card-bg)     !important; color: var(--text-primary) !important; }
[data-theme="dark"] .bg-gray-100 { background-color: var(--bg-tertiary) !important; color: var(--text-primary) !important; }
[data-theme="dark"] .bg-gray-200 { background-color: var(--bg-tertiary) !important; }

/* Text */
[data-theme="dark"] .text-gray-900,
[data-theme="dark"] .text-gray-800 { color: var(--text-primary)   !important; }

[data-theme="dark"] .text-gray-700,
[data-theme="dark"] .text-gray-600,
[data-theme="dark"] .text-gray-500 { color: var(--text-secondary) !important; }

[data-theme="dark"] .text-gray-400 { color: var(--text-tertiary)  !important; }

/* Borders */
[data-theme="dark"] .border-gray-200,
[data-theme="dark"] .border-gray-300        { border-color: var(--border-color) !important; }
[data-theme="dark"] .divide-gray-200 > * + * { border-color: var(--border-color) !important; }

/* Inputs & Forms */
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background-color: var(--input-bg)     !important;
  border-color:     var(--input-border) !important;
  color:            var(--text-primary) !important;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder { color: var(--text-tertiary) !important; }

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  border-color: var(--input-focus) !important;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2) !important;
}

input, textarea, select { transition: all 0.2s ease; }

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Tables */
[data-theme="dark"] thead { background-color: var(--bg-tertiary) !important; }
[data-theme="dark"] .hover\:bg-gray-50:hover { background-color: var(--hover-bg) !important; }

/* Sidebar & Navigation */
[data-theme="dark"] aside  {
  background-color: var(--card-bg)      !important;
  border-right-color: var(--border-color) !important;
}

/* Header */
[data-theme="dark"] header {
  background-color: var(--header-bg)      !important;
  border-bottom-color: var(--border-color) !important;
}

/* ===== STATUS BADGES ===== */
.status-open       { background: #fef3c7; color: #92400e; }
.status-inprogress { background: #dbeafe; color: #1e40af; }
.status-resolved   { background: #d1fae5; color: #065f46; }

[data-theme="dark"] .status-badge       { border: 1px solid var(--border-light); }
[data-theme="dark"] .status-open       { background-color: #78350f !important; color: #fef3c7 !important; }
[data-theme="dark"] .status-inprogress { background-color: #1e3a8a !important; color: #dbeafe !important; }
[data-theme="dark"] .status-resolved   { background-color: #064e3b !important; color: #d1fae5 !important; }

/* Colour Badges */
[data-theme="dark"] .bg-green-100  { background-color: #065f46 !important; }
[data-theme="dark"] .text-green-700,
[data-theme="dark"] .text-green-600 { color: #d1fae5 !important; }

[data-theme="dark"] .bg-red-100   { background-color: #991b1b !important; }
[data-theme="dark"] .text-red-700,
[data-theme="dark"] .text-red-600  { color: #fecaca !important; }

[data-theme="dark"] .bg-orange-100  { background-color: #9a3412 !important; }
[data-theme="dark"] .text-orange-700,
[data-theme="dark"] .text-orange-600 { color: #fed7aa !important; }

[data-theme="dark"] .bg-blue-100   { background-color: #1e40af !important; }
[data-theme="dark"] .text-blue-700,
[data-theme="dark"] .text-blue-600,
[data-theme="dark"] .text-blue-500  { color: #dbeafe !important; }

[data-theme="dark"] .bg-purple-100  { background-color: #6b21a8 !important; }
[data-theme="dark"] .text-purple-500 { color: #e9d5ff !important; }

/* ===== FILTER BUTTONS ===== */
.filter-btn        { transition: all 0.2s ease; }
.filter-btn.active { background: #3b82f6; color: white; }

[data-theme="dark"] .filter-btn {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .filter-btn:hover         { background-color: var(--hover-bg); }
[data-theme="dark"] .filter-btn.active        { background-color: #3b82f6; color: white; border-color: #3b82f6; }

/* Hover Effects */
[data-theme="dark"] .hover\:bg-gray-100:hover { background-color: var(--hover-bg)    !important; }
[data-theme="dark"] .hover\:bg-gray-200:hover { background-color: var(--bg-tertiary) !important; }

/* ===== SCROLLBAR ===== */
[data-theme="dark"] ::-webkit-scrollbar              { width: 12px; height: 12px; }
[data-theme="dark"] ::-webkit-scrollbar-track        { background: var(--bg-secondary); }
[data-theme="dark"] ::-webkit-scrollbar-thumb        { background: var(--bg-tertiary); border-radius: 6px; border: 2px solid var(--bg-secondary); }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover  { background: var(--border-light); }

/* ===== LOADING / SPINNER ===== */
[data-theme="dark"] .spinner {
  border-color: var(--border-color);
  border-top-color: #60a5fa;
}

/* ===== FILE INPUT ===== */
[data-theme="dark"] input[type="file"]::file-selector-button {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] input[type="file"]::file-selector-button:hover {
  background-color: var(--hover-bg);
}