/* ============================================================
   Button Components
   5 Minute Mock — Theme-Aware Design
   ============================================================ */

/* ========== Button Group ========== */
.button-group {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

/* ========== Base Button ========== */
button {
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
  font-family: inherit;
  position: relative;
  overflow: hidden;
  line-height: var(--leading-snug);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ========== Primary Button ========== */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-xs), 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm), var(--shadow-primary);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
  transition-duration: 50ms;
}

/* ========== Success Button ========== */
.btn-success {
  background: var(--color-success);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-xs);
}

.btn-success:hover:not(:disabled) {
  background: var(--color-success-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm), var(--shadow-success);
}

.btn-success:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
  transition-duration: 50ms;
}

/* ========== Danger Button ========== */
.btn-danger {
  background: var(--color-danger);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-xs);
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-danger-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm), var(--shadow-danger);
}

.btn-danger:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
  transition-duration: 50ms;
}

.btn-danger:focus-visible {
  box-shadow: var(--shadow-focus-danger);
}

/* ========== Secondary Button ========== */
.btn-secondary {
  background: var(--color-bg-muted);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
  transition-duration: 50ms;
}

/* ========== Ghost Button ========== */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

.btn-ghost:active:not(:disabled) {
  background: var(--color-bg-muted);
}

/* ========== Outline Button ========== */
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  box-shadow: none;
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
}

.btn-outline:active:not(:disabled) {
  background: var(--color-primary-bg);
}

/* ========== Practice Button ========== */
.practice-btn {
  width: 100%;
  padding: var(--space-2-5) var(--space-4);
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
}

.practice-btn:hover {
  background: var(--color-accent-beige);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(217, 119, 6, 0.15);
}

.practice-btn:active {
  transform: translateY(0);
  transition-duration: 50ms;
}

/* ========== Back Button ========== */
.back-button {
  background: none;
  border: none;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  cursor: pointer;
  font-weight: var(--font-medium);
  padding: 0;
  transition: all var(--transition-fast);
}

.back-button:hover {
  color: var(--color-primary);
  transform: translateX(-2px);
}

/* ========== Start Interview Button ========== */
.start-interview-btn {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border: none;
  padding: var(--space-4) var(--space-9);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm), var(--shadow-primary);
}

.start-interview-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-primary);
}

.start-interview-btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs), var(--shadow-primary);
  transition-duration: 50ms;
}

/* ========== Mode Buttons ========== */
.mode-btn {
  padding: var(--space-2-5) var(--space-5);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mode-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-hover);
  color: var(--color-primary);
}

.mode-btn.active {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
}

/* Mode Selector Container */
.mode-selector {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

/* ========== Clear Filters Button ========== */
.btn-clear-filters {
  padding: var(--space-2-5) var(--space-3-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--color-bg-elevated);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-clear-filters:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: var(--color-danger-bg);
}

/* ========== See More Link ========== */
.see-more {
  text-align: center;
  margin-top: var(--space-10);
}

.see-more-link {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
}

.see-more-link:hover {
  color: var(--color-primary-hover);
  background: var(--color-primary-subtle);
}

/* ========== Button Sizes ========== */
.btn-sm {
  padding: var(--space-1-5) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* ========== Icon Buttons ========== */
.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.btn-icon svg {
  width: var(--icon-md);
  height: var(--icon-md);
}

/* ========== Mobile Responsive ========== */
@media (max-width: 768px) {
  .mode-selector {
    flex-wrap: wrap;
  }

  /* Full-width button group on mobile */
  .button-group {
    flex-direction: column;
  }

  .button-group button {
    width: 100%;
  }

  /* Touch-friendly buttons */
  .back-button {
    min-height: var(--touch-target-min);
    padding: var(--space-3) 0;
  }

  .mode-btn {
    min-height: var(--touch-target-min);
    flex: 1;
    justify-content: center;
  }

  .practice-btn {
    min-height: var(--touch-target-min);
  }

  .start-interview-btn {
    width: 100%;
    justify-content: center;
    min-height: var(--touch-target-min);
  }

  .btn-clear-filters {
    min-height: var(--touch-target-min);
  }
}