@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Noto+Serif:wght@400;600;700&family=Source+Sans+3:wght@300;400;600;700&display=swap');

:root {
  /* Colors */
  --primary: #1a2744;
  --primary-light: #243460;
  --primary-rgb: 26, 39, 68;
  --accent: #c9a84c;
  --accent-light: #e8c96a;
  --accent-rgb: 201, 168, 76;
  --success: #2d6a4f;
  --danger: #8b1a1a;
  --warning: #b5691e;
  
  --bg: #f5f4f0;
  --surface: #ffffff;
  --surface-2: #f0efe9;
  --border: #d4cfc5;
  --text-main: #2b2b2b;
  --text-muted: #6e6e6e;

  /* Typography */
  --font-heading: 'Noto Serif', Georgia, serif;
  --font-body: 'Source Sans 3', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Utilities */
  --radius: 6px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --shadow: 0 4px 20px rgba(26, 39, 68, 0.08);
  --shadow-sm: 0 2px 8px rgba(26, 39, 68, 0.04);
  --shadow-lg: 0 10px 30px rgba(26, 39, 68, 0.15);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  zoom: 70%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary);
  font-weight: 600;
}

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

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

input, select, textarea {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 14px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(36, 52, 96, 0.15);
}

input[readonly] {
  background-color: var(--surface-2);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Layout Utilities */
.app-container {
  display: flex;
  height: 142.85vh; /* 100vh / 0.7 to compensate for body zoom */
  min-height: 142.85vh;
}

/* Sidebar Styling */
.sidebar {
  width: 260px;
  background-color: var(--primary);
  color: var(--surface);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  flex-shrink: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.college-logo-text {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: bold;
  color: var(--accent);
  line-height: 1.3;
  letter-spacing: 0.5px;
}

.college-subtext {
  font-size: 11px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 1px;
}

.sidebar-menu {
  flex: 1;
  padding: 20px 0;
  list-style: none;
  overflow-y: auto;
}

.sidebar-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  border-left: 4px solid transparent;
}

.sidebar-item a i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  transition: var(--transition);
}

.sidebar-item a:hover,
.sidebar-item.active a {
  color: var(--surface);
  background-color: rgba(255, 255, 255, 0.04);
}

.sidebar-item.active a {
  border-left-color: var(--accent);
  background-color: rgba(255, 255, 255, 0.06);
}

.sidebar-item a:hover i,
.sidebar-item.active a i {
  color: var(--accent);
}

.sidebar-footer {
  padding: 20px 24px;
  background-color: rgba(0, 0, 0, 0.15);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.user-name {
  font-size: 13px;
  font-weight: bold;
  color: var(--surface);
}

.user-role {
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  transition: var(--transition);
}

.logout-btn:hover {
  color: var(--accent);
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  min-height: 0;
}

.top-bar {
  background-color: var(--surface);
  height: 60px;
  padding: 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.page-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-bar-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.content-body {
  padding: 30px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-light);
  color: var(--accent-light);
}

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

.btn-accent:hover {
  background-color: var(--accent-light);
  box-shadow: 0 0 10px rgba(201, 168, 76, 0.4);
}

.btn-success {
  background-color: var(--success);
  color: var(--surface);
}

.btn-success:hover {
  opacity: 0.9;
}

.btn-danger {
  background-color: var(--danger);
  color: var(--surface);
}

.btn-danger:hover {
  opacity: 0.9;
}

.btn-outline {
  border-color: var(--border);
  background-color: transparent;
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: var(--surface-2);
  border-color: var(--text-muted);
}

/* Beautiful Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 30px;
}

.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
}

.glass-card.accent::before {
  background: var(--accent);
}

.glass-card.success::before {
  background: var(--success);
}

.glass-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card-info h4 {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.card-info .amount {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-2);
  color: var(--primary-light);
  font-size: 20px;
}

.glass-card.accent .card-icon {
  background-color: rgba(201, 168, 76, 0.15);
  color: var(--accent);
}

.glass-card.success .card-icon {
  background-color: rgba(45, 106, 79, 0.1);
  color: var(--success);
}

/* Tables and Precision Grid lists */
.table-responsive {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--surface);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

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

.table-custom th {
  background-color: var(--surface-2);
  padding: 12px 18px;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.5px;
}

.table-custom td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.table-custom tr:last-child td {
  border-bottom: none;
}

.table-custom tr:hover td {
  background-color: rgba(var(--primary-rgb), 0.015);
}

.num-val {
  font-family: var(--font-mono);
  text-align: right;
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-control-full {
  width: 100%;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(26, 39, 68, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-header {
  background-color: var(--primary);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  color: var(--accent);
  margin: 0;
  font-size: 18px;
}

.modal-close {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--accent-light);
}

.modal-body {
  padding: 24px;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  background-color: var(--surface-2);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-top: 1px solid var(--border);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

.toast {
  background-color: var(--primary);
  color: var(--surface);
  padding: 14px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 250px;
  transform: translateX(120%);
  transition: var(--transition);
  border-left: 4px solid var(--accent);
}

.toast.active {
  transform: translateX(0);
}

.toast.success {
  border-left-color: #2d6a4f;
}

.toast.danger {
  border-left-color: var(--danger);
}

/* Alerts */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-size: 14px;
  font-weight: 600;
}

.alert-danger {
  background-color: rgba(139, 26, 26, 0.1);
  color: var(--danger);
  border: 1px solid rgba(139, 26, 26, 0.2);
}

.alert-success {
  background-color: rgba(45, 106, 79, 0.1);
  color: var(--success);
  border: 1px solid rgba(45, 106, 79, 0.2);
}

/* Quick Action Widgets */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.action-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.action-card i {
  font-size: 28px;
  color: var(--primary-light);
  transition: var(--transition);
}

.action-card span {
  font-size: 14px;
  font-weight: bold;
  color: var(--primary);
}

.action-card:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.action-card:hover i {
  color: var(--accent);
}

.action-card:hover span {
  color: var(--surface);
}

/* Responsive Layout Collapse */
@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
  }
  .sidebar-menu {
    display: none;
  }
  .sidebar-menu.active {
    display: block;
  }
  .content-body {
    padding: 15px;
  }
  .top-bar {
    padding: 0 15px;
  }
}

/* Fullscreen Mode Overrides */
body.fullscreen-mode .sidebar {
  display: none !important;
}

body.fullscreen-mode .main-wrapper {
  width: 100vw;
}