/* ======================================= */
/* GETALLEN TRAINER - MODERN UNIFIED       */
/* ======================================= */

/* ===== COLOR DEFINITIONS ===== */
/* Dark mode is default, light mode overrides via :root.light-mode */

.getallen-trainer-card {
  /* Dark mode colors */
  --getallen-trainer-bg-card: var(--secondary-bg);
  --getallen-trainer-bg-input: var(--primary-bg);
  --getallen-trainer-bg-section: var(--secondary-bg);
  --getallen-trainer-bg-overlay: rgba(255, 255, 255, 0.04);
  --getallen-trainer-border: var(--border-color);
  --getallen-trainer-text: var(--text-primary);
  --getallen-trainer-text-secondary: var(--text-secondary);
  --getallen-trainer-button-bg: var(--primary-bg);
  --getallen-trainer-button-text: var(--text-primary);
  --getallen-trainer-button-border: var(--border-color);
  --getallen-trainer-button-hover-border: var(--link-color);
  --getallen-trainer-button-hover-shadow: rgba(88, 166, 255, 0.2);
  --getallen-trainer-primary-btn-bg: var(--link-color);
  --getallen-trainer-primary-btn-border: var(--link-color);
  --getallen-trainer-primary-btn-shadow: rgba(88, 166, 255, 0.3);
  --getallen-trainer-secondary-btn-bg: var(--button-primary-bg);
  --getallen-trainer-secondary-btn-hover: var(--button-primary-hover);
  --getallen-trainer-focus-border: var(--link-color);
  --getallen-trainer-focus-shadow: rgba(88, 166, 255, 0.1);
  --getallen-trainer-correct-border: #00b894;
  --getallen-trainer-correct-bg: #002a1f;
  --getallen-trainer-correct-text: #3fffaf;
  --getallen-trainer-wrong-border: #ff4242;
  --getallen-trainer-wrong-bg: #2a0000;
  --getallen-trainer-wrong-text: #ff5959;
  --getallen-trainer-unanswered-border: #f6e05e;
  --getallen-trainer-unanswered-bg: rgba(246, 224, 94, 0.15);
  --getallen-trainer-unanswered-text: #f6e05e;
}

/* Light mode color overrides */
:root.light-mode .getallen-trainer-card {
  --getallen-trainer-bg-card: #ffffff;
  --getallen-trainer-bg-input: #ffffff;
  --getallen-trainer-bg-section: #f9fafb;
  --getallen-trainer-bg-overlay: #f9fafb;
  --getallen-trainer-border: #d0d7de;
  --getallen-trainer-text: #24292f;
  --getallen-trainer-text-secondary: #57606a;
  --getallen-trainer-button-bg: #ffffff;
  --getallen-trainer-button-text: #24292f;
  --getallen-trainer-button-border: #d0d7de;
  --getallen-trainer-button-hover-border: #0969da;
  --getallen-trainer-button-hover-shadow: rgba(9, 105, 218, 0.15);
  --getallen-trainer-primary-btn-bg: #0969da;
  --getallen-trainer-primary-btn-border: #0969da;
  --getallen-trainer-primary-btn-shadow: rgba(9, 105, 218, 0.2);
  --getallen-trainer-secondary-btn-bg: #238636;
  --getallen-trainer-secondary-btn-hover: #2ea043;
  --getallen-trainer-focus-border: #0969da;
  --getallen-trainer-focus-shadow: rgba(9, 105, 218, 0.1);
  --getallen-trainer-correct-border: #1a7f5a;
  --getallen-trainer-correct-bg: #dafbe1;
  --getallen-trainer-correct-text: #055d20;
  --getallen-trainer-wrong-border: #d1242f;
  --getallen-trainer-wrong-bg: #ffebe9;
  --getallen-trainer-wrong-text: #a40e26;
  --getallen-trainer-unanswered-border: #bf8700;
  --getallen-trainer-unanswered-bg: #fff8c5;
  --getallen-trainer-unanswered-text: #6f4400;
}

/* ===== MAIN CARD ===== */
.getallen-trainer-card {
  max-width: 100%;
  margin: 0 auto;
  padding: 1.25rem;
  background: var(--getallen-trainer-bg-card);
  border: 1px solid var(--getallen-trainer-border);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  color: var(--getallen-trainer-text);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  text-align: center;
}

/* Gradient top border */
.getallen-trainer-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #9333ea, #3b82f6, #9333ea);
  background-size: 200% 100%;
  animation: getallen-gradient-shift 3s ease infinite;
}

@keyframes getallen-gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ===== HEADER ===== */
.getallen-trainer-card h1 {
  color: var(--getallen-trainer-text);
  font-size: 1.6rem;
  margin-bottom: 1rem;
  text-align: center;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.getallen-trainer-card-subtitle {
  text-align: center;
  color: var(--getallen-trainer-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  font-weight: 400;
  line-height: 1.6;
}

/* ===== LAYOUT ===== */
.getallen-trainer-card-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 20px;
  align-items: start;
}

@media (min-width: 992px) {
  .getallen-trainer-card-layout {
    grid-template-columns: 480px 1fr;
  }
}

.getallen-trainer-card-column {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ===== SECTIONS ===== */
.getallen-trainer-card-section {
  background: var(--getallen-trainer-bg-overlay);
  border: 1px solid var(--getallen-trainer-border);
  border-radius: 12px;
  padding: 1rem;
  transition: all 0.3s ease;
}

.getallen-trainer-card-section:hover {
  border-color: var(--getallen-trainer-button-hover-border);
}

.getallen-trainer-card-label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--getallen-trainer-text);
  text-align: center;
}

.getallen-trainer-card-range-value {
  color: var(--getallen-trainer-primary-btn-bg);
  font-weight: 700;
  font-size: 1.2rem;
}

/* ===== SLIDER ===== */
.getallen-trainer-card-slider {
  width: 100%;
  height: 8px;
  border-radius: 10px;
  background: var(--getallen-trainer-border);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: all 0.3s ease;
}

.getallen-trainer-card-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--getallen-trainer-primary-btn-bg);
  cursor: pointer;
  border: 3px solid var(--getallen-trainer-bg-card);
  box-shadow: 0 2px 10px var(--getallen-trainer-primary-btn-shadow);
  transition: all 0.2s ease;
}

.getallen-trainer-card-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 15px var(--getallen-trainer-button-hover-shadow);
}

.getallen-trainer-card-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--getallen-trainer-primary-btn-bg);
  cursor: pointer;
  border: 3px solid var(--getallen-trainer-bg-card);
  box-shadow: 0 2px 10px var(--getallen-trainer-primary-btn-shadow);
  transition: all 0.2s ease;
}

.getallen-trainer-card-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
}

/* ===== OPERATIONS ===== */
.getallen-trainer-card-operations {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.getallen-trainer-card-operation-btn {
  padding: 0.625rem 1rem;
  background: var(--getallen-trainer-button-bg);
  border: 2px solid var(--getallen-trainer-button-border);
  border-radius: 8px;
  color: var(--getallen-trainer-button-text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.getallen-trainer-card-op-icon {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--getallen-trainer-primary-btn-bg);
}

.getallen-trainer-card-operation-btn:hover {
  border-color: var(--getallen-trainer-button-hover-border);
  background: var(--getallen-trainer-bg-card);
  transform: translateY(-1px);
}

.getallen-trainer-card-operation-btn.active {
  background: var(--getallen-trainer-primary-btn-bg) !important;
  border-color: var(--getallen-trainer-primary-btn-border) !important;
  color: white !important;
  box-shadow: 0 4px 12px var(--getallen-trainer-primary-btn-shadow);
}

.getallen-trainer-card-operation-btn.active .getallen-trainer-card-op-icon {
  color: white;
}

.getallen-trainer-card-hint {
  color: var(--getallen-trainer-text-secondary);
  font-size: 0.8rem;
  font-style: italic;
  margin: 0.4rem 0 0 0;
}

/* ===== AMOUNT BUTTONS ===== */
.getallen-trainer-card-amounts {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

.getallen-trainer-card-amount-btn {
  padding: 0.625rem 0.5rem;
  background: var(--getallen-trainer-button-bg);
  border: 2px solid var(--getallen-trainer-button-border);
  border-radius: 8px;
  color: var(--getallen-trainer-button-text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.getallen-trainer-card-amount-btn:hover {
  border-color: var(--getallen-trainer-button-hover-border);
  background: var(--getallen-trainer-bg-card);
  transform: translateY(-1px);
}

.getallen-trainer-card-amount-btn.active {
  background: var(--getallen-trainer-primary-btn-bg) !important;
  border-color: var(--getallen-trainer-primary-btn-border) !important;
  color: white !important;
  box-shadow: 0 4px 12px var(--getallen-trainer-primary-btn-shadow);
}

/* ===== PRIMARY BUTTON ===== */
.getallen-trainer-card-btn-primary {
  padding: 0.875rem 1.5rem;
  border: 2px solid var(--getallen-trainer-primary-btn-border);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--getallen-trainer-primary-btn-bg);
  color: white;
  box-shadow: 0 2px 8px var(--getallen-trainer-primary-btn-shadow);
  margin: 0.5rem 0;
}

.getallen-trainer-card-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--getallen-trainer-primary-btn-shadow);
  opacity: 0.9;
}

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

.getallen-trainer-card-btn-icon {
  font-size: 1.3rem;
}

/* ===== SECONDARY BUTTON ===== */
.getallen-trainer-card-btn-secondary {
  padding: 0.875rem 1.5rem;
  border: 2px solid var(--getallen-trainer-secondary-btn-bg);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--getallen-trainer-secondary-btn-bg);
  color: white;
  box-shadow: 0 2px 8px rgba(35, 134, 54, 0.3);
  margin-top: 0.5rem;
}

.getallen-trainer-card-btn-secondary:hover {
  background: var(--getallen-trainer-secondary-btn-hover);
  border-color: var(--getallen-trainer-secondary-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(35, 134, 54, 0.4);
}

.getallen-trainer-card-btn-secondary:active {
  transform: translateY(0);
}

/* ===== FEEDBACK ===== */
.getallen-trainer-card-feedback {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  display: none;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(-10px);
  color: white;
  min-height: 20px;
  margin: 0.5rem 0;
}

.getallen-trainer-card-feedback.visible {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.getallen-trainer-card-feedback.error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

/* ===== EXERCISES ===== */
.getallen-trainer-card-exercises-wrapper {
  background: var(--getallen-trainer-bg-overlay);
  border: 1px solid var(--getallen-trainer-border);
  border-radius: 12px;
  padding: 1.5rem;
  min-height: 280px;
  position: relative;
  transition: all 0.3s ease;
}

.getallen-trainer-card-exercises-wrapper:hover {
  border-color: var(--getallen-trainer-button-hover-border);
}

.getallen-trainer-card-exercises-wrapper.getallen-trainer-card-hidden {
  display: flex;
  align-items: center;
  justify-content: center;
}

.getallen-trainer-card-exercises-placeholder {
  text-align: center;
  color: var(--getallen-trainer-text-secondary);
  padding: 40px;
}

.getallen-trainer-card-exercises-placeholder-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.5;
}

.getallen-trainer-card-exercises-placeholder-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--getallen-trainer-text);
  margin-bottom: 10px;
}

.getallen-trainer-card-exercises-placeholder-hint {
  font-size: 0.9rem;
  color: var(--getallen-trainer-text-secondary);
  font-style: italic;
}

.getallen-trainer-card-exercises {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.getallen-trainer-card-exercise {
  background: var(--getallen-trainer-bg-section);
  border: 2px solid var(--getallen-trainer-button-border);
  border-radius: 12px;
  padding: 18px 14px;
  transition: all 0.2s ease;
  text-align: center;
}

.getallen-trainer-card-exercise:hover {
  border-color: var(--getallen-trainer-button-hover-border);
  transform: translateY(-1px);
}

.getallen-trainer-card-exercise-label {
  font-size: 1.15rem;
  font-weight: 600;
  display: block;
  margin-bottom: 10px;
  color: var(--getallen-trainer-text);
  font-family: "Courier New", monospace;
}

/* Number input zonder pijltjes */
.getallen-trainer-card-exercise input {
  width: 80px;
  text-align: center;
  padding: 0.6rem 0.8rem;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 8px;
  border: 2px solid var(--getallen-trainer-button-border);
  background: var(--getallen-trainer-bg-input);
  color: var(--getallen-trainer-text);
  transition: all 0.3s ease;
  box-sizing: border-box;
  font-family: inherit;
  -moz-appearance: textfield; /* Firefox */
}

/* Verberg pijltjes in Chrome, Safari, Edge */
.getallen-trainer-card-exercise input::-webkit-outer-spin-button,
.getallen-trainer-card-exercise input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.getallen-trainer-card-exercise input::placeholder {
  color: var(--getallen-trainer-text-secondary);
  opacity: 0.6;
}

.getallen-trainer-card-exercise input:focus {
  outline: none;
  border-color: var(--getallen-trainer-focus-border);
  box-shadow: 0 0 0 3px var(--getallen-trainer-focus-shadow);
}

.getallen-trainer-card-exercise input.correct {
  border-color: var(--getallen-trainer-correct-border);
  background: var(--getallen-trainer-correct-bg);
  color: var(--getallen-trainer-correct-text);
  box-shadow: 0 0 15px rgba(0, 184, 148, 0.4);
}

.getallen-trainer-card-exercise input.wrong {
  border-color: var(--getallen-trainer-wrong-border);
  background: var(--getallen-trainer-wrong-bg);
  color: var(--getallen-trainer-wrong-text);
  box-shadow: 0 0 15px rgba(255, 66, 66, 0.5);
}

.getallen-trainer-card-exercise input.unanswered {
  border-color: var(--getallen-trainer-unanswered-border);
  background: var(--getallen-trainer-unanswered-bg);
  color: var(--getallen-trainer-unanswered-text);
  box-shadow: 0 0 10px rgba(245, 229, 27, 0.4);
}

/* ===== SCORE AREA ===== */
.getallen-trainer-card-score-area {
  text-align: center;
  padding: 1rem;
  background: var(--getallen-trainer-bg-section);
  border-radius: 10px;
  border: 1px solid var(--getallen-trainer-border);
  margin-top: 1rem;
}

.getallen-trainer-card-score-area:empty {
  display: none;
}

.getallen-trainer-card-score-text {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--getallen-trainer-text);
  margin-bottom: 15px;
  line-height: 1.6;
}

/* ===== HIDDEN ===== */
.getallen-trainer-card-hidden {
  display: none !important;
}

/* ===== RESPONSIVE - TABLET ===== */
@media (max-width: 991px) {
  .getallen-trainer-card {
    padding: 1rem;
  }

  .getallen-trainer-card h1 {
    font-size: 1.5rem;
  }

  .getallen-trainer-card-subtitle {
    font-size: 0.85rem;
  }

  .getallen-trainer-card-layout {
    grid-template-columns: 1fr;
  }

  .getallen-trainer-card-section {
    padding: 1rem;
  }

  .getallen-trainer-card-operations {
    grid-template-columns: 1fr;
  }

  .getallen-trainer-card-amounts {
    grid-template-columns: repeat(3, 1fr);
  }

  .getallen-trainer-card-exercises {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .getallen-trainer-card-exercises-wrapper {
    min-height: auto;
  }
}

/* ===== RESPONSIVE - MOBILE ===== */
@media (max-width: 576px) {
  .getallen-trainer-card {
    padding: 1rem;
    border-radius: 12px;
  }

  .getallen-trainer-card h1 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
  }

  .getallen-trainer-card-subtitle {
    font-size: 0.8rem;
  }

  .getallen-trainer-card-section {
    padding: 1rem;
  }

  .getallen-trainer-card-operation-btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.8rem;
  }

  .getallen-trainer-card-amounts {
    grid-template-columns: repeat(2, 1fr);
  }

  .getallen-trainer-card-btn-primary,
  .getallen-trainer-card-btn-secondary {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }

  .getallen-trainer-card-exercises {
    grid-template-columns: 1fr;
  }

  .getallen-trainer-card-exercise input {
    width: 100%;
  }

  .getallen-trainer-card-score-text {
    font-size: 1rem;
  }

  .getallen-trainer-card-exercises-wrapper {
    padding: 1.5rem;
    min-height: 240px;
  }
}

/* ===== EXTRA SMALL SCREENS ===== */
@media (max-width: 375px) {
  .getallen-trainer-card {
    padding: 1rem;
  }

  .getallen-trainer-card h1 {
    font-size: 1.3rem;
  }

  .getallen-trainer-card-subtitle {
    font-size: 0.75rem;
  }
}