/* ===================================================================
   BIZAURA COLLEGE - UI COMPONENTS
   Buttons, Badges, Cards, Modals, Tabs, Steppers, Inputs
   =================================================================== */

/* ===================================================================
   BUTTONS
   =================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-red-bright);
  outline-offset: 2px;
}

/* Primary Button (Ruby Red Gradient) */
.btn-primary {
  background: var(--accent-red-gradient);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 18px var(--accent-red-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #FF3D4E 0%, #F51420 50%, #B8000F 100%);
  box-shadow: 0 6px 25px var(--accent-red-glow);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button (Gunmetal Graphite) */
.btn-secondary {
  background: var(--bg-surface-2);
  color: var(--text-primary);
  border: 1px solid var(--gunmetal-border);
}

.btn-secondary:hover {
  background: var(--bg-surface-3);
  border-color: var(--gunmetal-border-active);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent-red-bright);
  color: #FFFFFF;
}

/* Admin / Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover {
  background: var(--bg-surface-2);
  color: var(--text-primary);
}

/* Sizes */
.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* Admin Switch Button */
.btn-admin-switch {
  background: #15151D;
  border: 1px solid rgba(229, 9, 20, 0.35);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-admin-switch:hover {
  background: var(--accent-red-subtle);
  border-color: var(--accent-red-bright);
  color: #FFF;
}

/* ===================================================================
   BADGES & CHIPS
   =================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.25rem 0.65rem;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  line-height: 1.2;
}

.badge-red {
  background: var(--accent-red-subtle);
  color: var(--accent-red-bright);
  border: 1px solid rgba(229, 9, 20, 0.3);
}

.badge-green {
  background: var(--status-success-bg);
  color: var(--status-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-yellow {
  background: var(--status-warning-bg);
  color: var(--status-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-blue {
  background: var(--status-info-bg);
  color: var(--status-info);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-gray {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===================================================================
   TABS & FILTER CONTROLS
   =================================================================== */
.tab-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.tab-btn {
  background: var(--bg-surface-1);
  color: var(--text-muted);
  border: 1px solid var(--gunmetal-border);
  padding: 0.6rem 1.2rem;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background: var(--bg-surface-2);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.tab-btn.active {
  background: var(--accent-red-pure);
  color: #FFFFFF;
  border-color: var(--accent-red-pure);
  box-shadow: 0 4px 14px var(--accent-red-glow);
}

/* ===================================================================
   CARDS (PREMIUM GRAPHITE & GUNMETAL)
   =================================================================== */
.card {
  background: var(--bg-surface-1);
  border: 1px solid var(--gunmetal-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  overflow: hidden;
}

.card:hover {
  border-color: var(--gunmetal-border-hover);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(229, 9, 20, 0.08);
  transform: translateY(-4px);
}

.contact-form-card {
  padding: 30px;
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===================================================================
   ACADEMIC COURSE CARDS
   =================================================================== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: var(--space-8);
}

.course-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.course-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.course-dept {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.course-title {
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
  color: #FFFFFF;
}

.course-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-5);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
}

.course-meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-surface-2);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.04);
  margin-bottom: var(--space-6);
}

.course-meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.meta-value {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.course-card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ===================================================================
   EVENT CARDS (CLEAN DIRECT PRESENTATION)
   =================================================================== */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-8);
}

.event-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0;
  background: var(--bg-surface-1);
  border: 1px solid var(--gunmetal-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.event-card.main-event-card {
  border: 1px solid rgba(229, 9, 20, 0.45);
  background: linear-gradient(180deg, rgba(229, 9, 20, 0.05) 0%, var(--bg-surface-1) 100%);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 20px rgba(229, 9, 20, 0.06);
}

.event-card:hover {
  border-color: var(--accent-red-bright);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.65), 0 0 25px rgba(229, 9, 20, 0.14);
  transform: translateY(-4px);
}

.event-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 22px 22px 22px;
}

.event-title-wrap {
  margin-bottom: 10px;
}

.event-card-title {
  font-size: 20px;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  margin: 0 0 4px 0;
  line-height: 1.25;
}

.event-card-subtitle {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-red-bright);
  letter-spacing: 0.02em;
}

.event-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
}

.event-prize-box {
  background: var(--bg-surface-2);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.prize-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  margin-bottom: 4px;
}

.prize-label {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.prize-val {
  font-weight: 800;
}

.winner-val {
  color: var(--status-success);
  font-size: 13px;
}

.runner-val {
  color: var(--status-warning);
  font-size: 13px;
}

.total-row {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 6px;
  margin-top: 6px;
  margin-bottom: 0;
}

.total-label {
  color: #FFFFFF;
  font-weight: 800;
  font-size: 11px;
}

.total-val {
  color: var(--accent-red-bright);
  font-size: 14px;
}

.event-details-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.event-details-row span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.event-meta-footer-text {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.event-card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

/* ===================================================================
   MODAL WINDOWS & BACKDROP
   =================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  overflow-y: auto;
}

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

.modal-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--gunmetal-border-active);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.9), 0 0 50px rgba(229, 9, 20, 0.15);
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-bounce);
}

.modal-backdrop.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-card.modal-lg {
  max-width: 960px;
}

.modal-header {
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--gunmetal-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--bg-surface-1);
  z-index: 10;
}

.modal-title-group h3 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #FFF;
}

.modal-title-group p {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.modal-close-btn {
  background: var(--bg-surface-2);
  border: 1px solid var(--gunmetal-border);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--accent-red-pure);
  color: #FFF;
  border-color: var(--accent-red-pure);
  transform: rotate(90deg);
}

.modal-body {
  padding: var(--space-8);
}

.modal-footer {
  padding: var(--space-5) var(--space-8);
  border-top: 1px solid var(--gunmetal-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  background: var(--bg-canvas-subtle);
}

/* ===================================================================
   FORM CONTROLS & STEPPERS
   =================================================================== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-label span.req {
  color: var(--accent-red-bright);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-surface-2);
  border: 1px solid var(--gunmetal-border);
  border-radius: var(--radius-md);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-red-bright);
  box-shadow: 0 0 0 3px var(--accent-red-subtle);
  background: var(--bg-surface-3);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-dim);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-help {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--status-danger);
  margin-top: 4px;
  display: none;
}

.form-group.has-error .form-input,
.form-group.has-error .form-select {
  border-color: var(--status-danger);
}

.form-group.has-error .form-error {
  display: block;
}

/* Step Progress Indicator */
.stepper-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--gunmetal-border);
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
  cursor: default;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface-2);
  border: 2px solid var(--gunmetal-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--text-muted);
  transition: all var(--transition-normal);
}

.step-item.active .step-number {
  background: var(--accent-red-pure);
  border-color: #FFF;
  color: #FFF;
  box-shadow: 0 0 16px var(--accent-red-glow);
  transform: scale(1.1);
}

.step-item.completed .step-number {
  background: var(--status-success);
  border-color: var(--status-success);
  color: #FFF;
}

.step-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  margin-top: 6px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.step-item.active .step-title {
  color: #FFF;
}

.step-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.step-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Upload Dropzone Simulator */
.upload-dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  background: var(--bg-surface-2);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.upload-dropzone:hover {
  border-color: var(--accent-red-bright);
  background: var(--accent-red-subtle);
}

.upload-dropzone .upload-icon {
  font-size: 2rem;
  color: var(--accent-red-bright);
  margin-bottom: var(--space-2);
}

/* Print Styles */
@media print {
  body * {
    visibility: hidden;
  }
  .print-slip-area, .print-slip-area * {
    visibility: visible;
  }
  .print-slip-area {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background: #FFF !important;
    color: #000 !important;
  }
}

/* ===================================================================
   MOBILE RESPONSIVENESS ENHANCEMENTS
   =================================================================== */
@media (max-width: 768px) {
  .events-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .modal-card {
    width: 94%;
    max-height: 85vh;
  }
  .modal-header, .modal-footer {
    padding: var(--space-4) var(--space-5);
  }
  .modal-body {
    padding: var(--space-5);
  }
  .tab-container {
    gap: 8px;
  }
  .tab-btn {
    padding: 0.5rem 1rem;
    font-size: 13px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .contact-form-card {
    padding: 22px;
  }
}

@media (max-width: 480px) {
  .event-card .event-thumb {
    height: auto;
    padding: 16px 14px;
  }
  .event-info {
    padding: 16px 16px 18px 16px;
  }
  .event-card-actions {
    flex-direction: column;
  }
  .modal-footer {
    flex-wrap: wrap;
  }
  .modal-footer .btn {
    flex: 1;
  }
  .contact-form-card {
    padding: 18px;
  }
}