/* app/assets/stylesheets/components/buttons.css */

/* ===============================================
   BASE BUTTON STYLES - DARK THEME WITH OSWALD
   =============================================== */

.btn {
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
  font-size: var(--text-base);
  letter-spacing: var(--tracking-wide);
  border-radius: 8px;
  text-transform: none;
  line-height: var(--leading-normal);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
  pointer-events: none;
}

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

.btn:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-sm);
}

.btn:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  box-shadow: var(--shadow-sm), 0 0 0 0.2rem rgba(88, 166, 255, 0.25);
}

/* ===============================================
   PRIMARY BUTTON VARIANTS - DARK THEME
   =============================================== */

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-primary:hover {
  background: #4c9aff;
  border-color: #4c9aff;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:focus {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm), 0 0 0 0.2rem rgba(88, 166, 255, 0.5);
}

.btn-primary:active {
  background: #3d8bfd;
  border-color: #3d8bfd;
  color: #ffffff;
}

/* ===============================================
   SUCCESS BUTTON VARIANTS - DARK THEME
   =============================================== */

.btn-success {
  background: var(--accent-success);
  color: #ffffff;
  border-color: var(--accent-success);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-success:hover {
  background: #2ea043;
  border-color: #2ea043;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-success:focus {
  background: var(--accent-success);
  border-color: var(--accent-success);
  color: #ffffff;
  box-shadow: var(--shadow-sm), 0 0 0 0.2rem rgba(63, 185, 80, 0.5);
}

.btn-success:active {
  background: #2d8738;
  border-color: #2d8738;
  color: #ffffff;
}

/* ===============================================
   OUTLINE BUTTON VARIANTS - DARK THEME
   =============================================== */

.btn-outline-primary {
  background: transparent;
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-outline-primary:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-primary:focus {
  box-shadow: 0 0 0 0.2rem rgba(88, 166, 255, 0.5);
}

.btn-outline-primary:active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

.btn-outline-success {
  background: transparent;
  color: var(--accent-success);
  border-color: var(--accent-success);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-outline-success:hover {
  background: var(--accent-success);
  border-color: var(--accent-success);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-success:focus {
  box-shadow: 0 0 0 0.2rem rgba(63, 185, 80, 0.5);
}

.btn-outline-success:active {
  background: var(--accent-success);
  border-color: var(--accent-success);
  color: #ffffff;
}

.btn-outline-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--text-secondary);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-outline-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--text-primary);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-secondary:focus {
  box-shadow: 0 0 0 0.2rem rgba(139, 148, 158, 0.5);
}

.btn-outline-secondary:active {
  background: var(--surface-hover);
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.btn-outline-danger {
  background: transparent;
  color: var(--accent-warning);
  border-color: var(--accent-warning);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-outline-danger:hover {
  background: var(--accent-warning);
  border-color: var(--accent-warning);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-danger:focus {
  box-shadow: 0 0 0 0.2rem rgba(248, 81, 73, 0.5);
}

.btn-outline-danger:active {
  background: var(--accent-warning);
  border-color: var(--accent-warning);
  color: #ffffff;
}

/* ===============================================
   SECONDARY & LIGHT VARIANTS - DARK THEME
   =============================================== */

.btn-secondary {
  background: var(--surface-hover);
  color: var(--text-primary);
  border-color: var(--border-default);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-secondary:hover {
  background: var(--surface-active);
  border-color: var(--border-emphasis);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary:focus {
  background: var(--surface-hover);
  border-color: var(--border-default);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm), 0 0 0 0.2rem rgba(139, 148, 158, 0.5);
}

.btn-light {
  background: var(--surface-primary);
  color: var(--text-primary);
  border-color: var(--border-muted);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-light:hover {
  background: var(--surface-hover);
  border-color: var(--border-default);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-light:focus {
  background: var(--surface-primary);
  border-color: var(--border-muted);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm), 0 0 0 0.2rem rgba(161, 177, 194, 0.5);
}

/* ===============================================
   BUTTON SIZES - OSWALD OPTIMIZED
   =============================================== */

.btn-sm {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  letter-spacing: var(--tracking-normal);
}

.btn-lg {
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  letter-spacing: var(--tracking-wide);
}

/* Extra small button size */
.btn-xs {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: var(--weight-medium);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  letter-spacing: var(--tracking-normal);
  min-width: 32px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ===============================================
   BUTTON STATES - DARK THEME
   =============================================== */

.btn:disabled,
.btn.disabled {
  opacity: 0.6;
  pointer-events: none;
  background: var(--surface-hover);
  border-color: var(--border-muted);
  color: var(--text-muted);
  box-shadow: none;
  transform: none;
}

.btn.loading {
  pointer-events: none;
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin: -0.5rem 0 0 -0.5rem;
  border: 2px solid currentColor;
  border-radius: 50%;
  border-right-color: transparent;
  animation: btn-loading-spin 0.75s linear infinite;
}

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

/* ===============================================
   BUTTON GROUPS - DARK THEME
   =============================================== */

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
}

.btn-group .btn:last-child {
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
}

.btn-group .btn + .btn {
  border-left: 0;
}

.btn-group .btn:hover,
.btn-group .btn:focus {
  z-index: 1;
}

/* ===============================================
   LINK BUTTONS - DARK THEME
   =============================================== */

.btn-link {
  background: transparent;
  border: none;
  color: var(--accent-primary);
  font-family: var(--font-primary);
  font-weight: var(--weight-normal);
  text-decoration: none;
  box-shadow: none;
  padding: 0;
}

.btn-link:hover {
  color: var(--accent-info);
  text-decoration: underline;
  background: transparent;
  border: none;
  box-shadow: none;
  transform: none;
}

.btn-link:focus {
  color: var(--accent-primary);
  text-decoration: underline;
  box-shadow: none;
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.btn-link:disabled {
  color: var(--text-muted);
  text-decoration: none;
}

/* ===============================================
   CLOSE BUTTONS - DARK THEME
   =============================================== */

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  opacity: 0.8;
  padding: 0.25rem;
  transition: all var(--transition-fast);
}

.btn-close:hover {
  color: var(--text-primary);
  opacity: 1;
  background: var(--surface-hover);
  border-radius: 4px;
}

.btn-close:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  opacity: 1;
}

/* ===============================================
   DANGER BUTTONS (GENERAL) - DARK THEME
   =============================================== */

.btn-danger {
  background: var(--accent-warning);
  color: #ffffff;
  border-color: var(--accent-warning);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
}

.btn-danger:hover {
  background: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-danger:focus {
  background: var(--accent-warning);
  border-color: var(--accent-warning);
  color: #ffffff;
  box-shadow: var(--shadow-sm), 0 0 0 0.2rem rgba(248, 81, 73, 0.5);
}

.btn-danger:active {
  background: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
}

/* ===============================================
   SET/EXERCISE DELETE BUTTONS - UNIFIED BY DATA-ACTION
   =============================================== */

button[data-action*="deleteExercise"],
button[data-action*="removeSet"] {
  background: var(--accent-warning) !important;
  border: 1px solid var(--accent-warning) !important;
  color: #ffffff !important;
  width: 28px !important;
  height: 28px !important;
  min-width: 28px !important;
  min-height: 28px !important;
  padding: 0 !important;
  border-radius: 6px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 0.75rem !important;
  font-family: var(--font-primary) !important;
  font-weight: var(--weight-medium) !important;
  transition: all var(--transition-fast) !important;
  flex-shrink: 0 !important;
  cursor: pointer !important;
  line-height: 1 !important;
  text-decoration: none !important;
  box-shadow: none !important;
  margin-left: auto !important;
  order: 999 !important;
  touch-action: manipulation !important;
  user-select: none !important;
}

button[data-action*="deleteExercise"]:hover,
button[data-action*="deleteExercise"]:focus,
button[data-action*="deleteExercise"]:active,
button[data-action*="removeSet"]:hover,
button[data-action*="removeSet"]:focus,
button[data-action*="removeSet"]:active {
  background: #dc2626 !important;
  border-color: #dc2626 !important;
  color: #ffffff !important;
  transform: scale(1.05) !important;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.3) !important;
  text-decoration: none !important;
}

/* Bootstrap trash icons for delete buttons */
button[data-action*="deleteExercise"] i,
button[data-action*="deleteExercise"] .bi,
button[data-action*="deleteExercise"] .bi-trash,
button[data-action*="removeSet"] i,
button[data-action*="removeSet"] .bi,
button[data-action*="removeSet"] .bi-trash {
  font-size: 0.75rem !important;
  color: #ffffff !important;
  display: inline-block !important;
  line-height: 1 !important;
  pointer-events: none !important;
  margin: 0 !important;
}

/* Kill any pseudo-elements that might interfere */
button[data-action*="deleteExercise"]::before,
button[data-action*="deleteExercise"]::after,
button[data-action*="removeSet"]::before,
button[data-action*="removeSet"]::after {
  display: none !important;
  content: none !important;
}

/* Positioning in parent containers */
.exercise-header button[data-action*="deleteExercise"],
.set-line button[data-action*="removeSet"] {
  margin-left: auto !important;
  order: 999 !important;
  position: relative !important;
  flex-shrink: 0 !important;
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .btn-xs {
    min-width: 36px;
    min-height: 36px;
    padding: 0.375rem 0.625rem;
    font-size: 0.875rem;
  }

  button[data-action*="deleteExercise"],
  button[data-action*="removeSet"] {
    width: 26px !important;
    height: 26px !important;
    min-width: 26px !important;
    min-height: 26px !important;
    font-size: 0.7rem !important;
    border-radius: 4px !important;
  }

  button[data-action*="deleteExercise"] i,
  button[data-action*="deleteExercise"] .bi,
  button[data-action*="deleteExercise"] .bi-trash,
  button[data-action*="removeSet"] i,
  button[data-action*="removeSet"] .bi,
  button[data-action*="removeSet"] .bi-trash {
    font-size: 0.7rem !important;
  }
}

@media (max-width: 480px) {
  button[data-action*="deleteExercise"],
  button[data-action*="removeSet"] {
    width: 24px !important;
    height: 24px !important;
    min-width: 24px !important;
    min-height: 24px !important;
    font-size: 0.65rem !important;
  }

  button[data-action*="deleteExercise"] i,
  button[data-action*="deleteExercise"] .bi,
  button[data-action*="deleteExercise"] .bi-trash,
  button[data-action*="removeSet"] i,
  button[data-action*="removeSet"] .bi,
  button[data-action*="removeSet"] .bi-trash {
    font-size: 0.65rem !important;
  }

  /* Extra compact on very small screens */
  .btn-success.btn-lg {
    min-height: 36px !important;
    padding: 0.4rem 0.8rem !important;
    font-size: 0.9rem !important;
  }

  .current-position-indicator-inline {
    font-size: 0.75rem !important;
  }

  .current-position-indicator-inline .small {
    font-size: 0.65rem !important;
  }

  .current-position-indicator-inline .fw-bold {
    font-size: 0.8rem !important;
  }

  .current-position-indicator-inline .btn-sm {
    width: 28px !important;
    height: 28px !important;
    min-height: 28px !important;
  }

  .fixed-bottom {
    padding: 0.5rem !important;
  }
}

/* ===============================================
   MOBILE OPTIMIZATIONS
   =============================================== */

@media (max-width: 768px) {
  .btn {
    min-height: 44px;
    touch-action: manipulation;
    border-radius: 6px;
    font-size: var(--text-base);
    padding: 0.5rem 1rem;
  }

  .btn-sm {
    min-height: 40px;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: var(--text-sm);
  }

  .btn-lg {
    min-height: 48px;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: var(--text-lg);
  }

  .btn-group .btn {
    flex: 1;
  }

  /* Make finish workout button more compact on mobile */
  .btn-success.btn-lg {
    min-height: 40px !important;
    padding: 0.5rem 1rem !important;
    font-size: var(--text-base) !important;
  }

  /* Compact current position indicator */
  .current-position-indicator-inline {
    font-size: 0.8rem !important;
  }

  .current-position-indicator-inline .small {
    font-size: 0.7rem !important;
  }

  .current-position-indicator-inline .fw-bold {
    font-size: 0.85rem !important;
    line-height: 1.2 !important;
  }

  /* Make navigation buttons smaller */
  .current-position-indicator-inline .btn-sm {
    width: 32px !important;
    height: 32px !important;
    min-height: 32px !important;
    padding: 0 !important;
  }

  /* Compact fixed bottom section */
  .fixed-bottom .d-flex {
    gap: 0.5rem !important;
  }

  .fixed-bottom {
    padding: 0.75rem !important;
  }
}

/* ===============================================
   WORKOUT-SPECIFIC BUTTON STYLES
   =============================================== */

.btn-workout {
  background: var(--accent-primary);
  color: #ffffff;
  border: 1px solid var(--accent-primary);
  font-family: var(--font-accent);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.btn-workout:hover {
  background: #4c9aff;
  border-color: #4c9aff;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ready {
  background: var(--accent-success);
  color: #ffffff;
  border: 1px solid var(--accent-success);
  font-family: var(--font-accent);
  font-weight: var(--weight-semibold);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: var(--shadow-sm);
  }
  50% {
    box-shadow: 0 0 20px rgba(63, 185, 80, 0.4);
  }
}

.btn-ready:hover {
  background: #2ea043;
  border-color: #2ea043;
  color: #ffffff;
  animation: none;
}

/* ===============================================
   ACCESSIBILITY & REDUCED MOTION
   =============================================== */

@media (prefers-reduced-motion: reduce) {
  .btn,
  button[data-action*="deleteExercise"],
  button[data-action*="removeSet"] {
    transition: none !important;
    animation: none !important;
  }

  .btn:hover,
  .btn:active,
  button[data-action*="deleteExercise"]:hover,
  button[data-action*="deleteExercise"]:active,
  button[data-action*="removeSet"]:hover,
  button[data-action*="removeSet"]:active {
    transform: none !important;
  }

  .btn.loading::after {
    animation: none !important;
  }

  .btn-ready {
    animation: none !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .btn,
  button[data-action*="deleteExercise"],
  button[data-action*="removeSet"] {
    border-width: 2px;
    font-weight: var(--weight-bold);
  }

  .btn:focus,
  button[data-action*="deleteExercise"]:focus,
  button[data-action*="removeSet"]:focus {
    outline-width: 3px;
  }
}

/* ===============================================
   BUTTON ICON ALIGNMENT
   =============================================== */

.btn .bi {
  vertical-align: -0.125em;
  margin-right: 0.25rem;
}

.btn .bi:only-child {
  margin-right: 0;
}

.btn-sm .bi {
  margin-right: 0.2rem;
}

.btn-lg .bi {
  margin-right: 0.3rem;
}