/* ============================================================
   E-TAMU Components
   Buttons, Forms, Cards, SPK, Webcam
   ============================================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0);
  transition: var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255, 255, 255, 0.1);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #ffffff;
  box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(5, 150, 105, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  border-color: var(--border-card);
}

.btn-danger {
  background: linear-gradient(135deg, #b91c1c, #ef4444);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  box-shadow: 0 6px 28px rgba(239, 68, 68, 0.45);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: var(--font-size-md);
  border-radius: var(--radius-full);
}

.btn-sm {
  padding: 8px 18px;
  font-size: var(--font-size-sm);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* Ripple effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: ripple-anim 0.5s linear;
  pointer-events: none;
}

@keyframes ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ── Form Elements ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-grid-full {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.form-label-inline {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-3);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  min-width: 120px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.form-label-inline svg {
  opacity: 0.7;
  flex-shrink: 0;
}

.form-control {
  width: 100%;
  height: 48px;
  padding: 0 var(--space-4);
  font-family: var(--font);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-control::placeholder {
  color: var(--text-placeholder);
}

.form-control:hover {
  background: var(--bg-input-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15), inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.form-control option {
  background: #0d2d1e;
  color: var(--text-primary);
}

/* Select with arrow */
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(167,243,208,0.7)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
  cursor: pointer;
}

/* Inline label + input combo */
.input-with-label {
  display: flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-default);
  transition: var(--transition);
}

.input-with-label:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.input-with-label .form-control {
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.input-with-label .form-control:focus {
  box-shadow: none;
}

/* Select2 Override */
.select2-container--default .select2-selection--single {
  background: var(--bg-input) !important;
  border: 1px solid var(--border-default) !important;
  border-radius: var(--radius-md) !important;
  height: 48px !important;
  display: flex !important;
  align-items: center !important;
  transition: var(--transition) !important;
}

.select2-container--default .select2-selection--single:hover {
  background: var(--bg-input-hover) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

.select2-container--default.select2-container--open .select2-selection--single,
.select2-container--default.select2-container--focus .select2-selection--single {
  background: rgba(255, 255, 255, 0.1) !important;
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15) !important;
  outline: none !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: var(--text-primary) !important;
  padding-left: var(--space-4) !important;
  line-height: 48px !important;
  font-size: var(--font-size-base) !important;
  font-family: var(--font) !important;
}

.select2-container--default .select2-selection--single .select2-selection__placeholder {
  color: var(--text-placeholder) !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 46px !important;
  right: 10px !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow b {
  border-color: rgba(167, 243, 208, 0.6) transparent transparent transparent !important;
}

.select2-dropdown {
  background: #0d2d1e !important;
  border: 1px solid var(--border-card) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-lg) !important;
  overflow: hidden !important;
}

.select2-container--default .select2-search--dropdown .select2-search__field {
  background: var(--bg-input) !important;
  border: 1px solid var(--border-default) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-primary) !important;
  font-family: var(--font) !important;
  padding: 8px 12px !important;
}

.select2-container--default .select2-results__option {
  color: var(--text-secondary) !important;
  padding: 10px 16px !important;
  font-size: var(--font-size-sm) !important;
  font-family: var(--font) !important;
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
  background: rgba(5, 150, 105, 0.25) !important;
  color: var(--text-primary) !important;
}

.select2-container--default .select2-results__option[aria-selected=true] {
  background: rgba(5, 150, 105, 0.15) !important;
  color: var(--color-accent) !important;
}

/* ── Form Layout ── */
.form-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ── Webcam Card ── */
.webcam-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.webcam-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.webcam-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border-card);
  box-shadow: var(--shadow-md), 0 0 20px rgba(5, 150, 105, 0.15);
  background: rgba(0, 0, 0, 0.3);
  width: fit-content;
  margin: 0 auto;
  line-height: 0;
  font-size: 0;
}

/* Cegah frame membesar saat webcam.js menambah canvas preview di samping video */
.webcam-frame #camera {
  overflow: hidden;
}

.webcam-frame-active {
  border-color: var(--color-primary-light) !important;
  box-shadow: var(--shadow-md), 0 0 30px var(--color-primary-glow) !important;
}

.webcam-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  max-width: 360px;
}

/* ── Form Card Layout ── */
.form-content-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-4);
}

/* ── SPK Tamu Grid ── */
.tamu-grid-title {
  text-align: center;
  margin-bottom: var(--space-6);
}

.tamu-grid-title h1 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.tamu-grid-title p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.tamu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-4);
  padding: var(--space-2);
}

.tamu-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  text-decoration: none;
  display: block;
}

.tamu-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--color-primary-light);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-md), 0 0 20px var(--color-primary-glow);
}

.tamu-card-photo {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
  position: relative;
}

.tamu-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.tamu-card:hover .tamu-card-photo img {
  transform: scale(1.05);
}

.tamu-card-name {
  padding: var(--space-3) var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.tamu-grid-empty {
  text-align: center;
  padding: var(--space-12);
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.tamu-grid-empty svg {
  margin: 0 auto var(--space-4);
  opacity: 0.4;
}

.tamu-grid-empty p {
  font-size: var(--font-size-md);
  font-weight: 500;
}

/* ── SPK Question ── */
.spk-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-6) var(--space-4);
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
}

.spk-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.spk-step-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition);
}

.spk-step-dot.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 12px var(--color-primary-glow);
}

.spk-step-dot.done {
  background: var(--color-accent);
  color: #064e3b;
}

.spk-step-line {
  flex: 1;
  height: 1px;
  background: var(--border-default);
  max-width: 40px;
}

.spk-question-card {
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.spk-question-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--space-4);
  box-shadow: 0 0 16px var(--color-primary-glow);
}

.spk-question-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
}

.spk-answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  width: 100%;
}

.spk-answer-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.spk-answer-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.08);
}

.spk-answer-card:hover::before {
  opacity: 1;
}

.spk-answer-card:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 255, 255, 0.25);
}

.spk-answer-card:active {
  transform: scale(0.97);
}

.spk-answer-sangat-puas {
  background: var(--color-sangat-puas);
  box-shadow: 0 8px 24px rgba(5, 150, 105, 0.3);
}

.spk-answer-puas {
  background: var(--color-puas);
  box-shadow: 0 8px 24px rgba(8, 145, 178, 0.3);
}

.spk-answer-cukup-puas {
  background: var(--color-cukup-puas);
  box-shadow: 0 8px 24px rgba(217, 119, 6, 0.3);
}

.spk-answer-tidak-puas {
  background: var(--color-tidak-puas);
  box-shadow: 0 8px 24px rgba(220, 38, 38, 0.3);
}

.spk-answer-icon {
  font-size: 48px;
  line-height: 1;
}

.spk-answer-icon img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.spk-answer-label {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Scrollable Content ── */
.scroll-content {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

/* ── Loading Spinner ── */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Animations ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-up {
  animation: fadeInUp 0.4s ease both;
}

.animate-fade-up-delay-1 { animation-delay: 0.05s; }
.animate-fade-up-delay-2 { animation-delay: 0.1s; }
.animate-fade-up-delay-3 { animation-delay: 0.15s; }
.animate-fade-up-delay-4 { animation-delay: 0.2s; }

.animate-scale-in {
  animation: scaleIn 0.3s ease both;
}