/* =========================
   Base UI Components
   Core building blocks for MVP
   ========================= */

/* === RESET & NORMALIZE === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Remove scrollbars */
html, body {
  overflow: hidden;
  height: 100vh;
}

/* Hide scrollbars for webkit browsers */
::-webkit-scrollbar {
  display: none;
}

/* Hide scrollbars for Firefox */
html {
  scrollbar-width: none;
}

/* Disable all tooltips and hover titles */
* {
  cursor: default !important;
}

svg * {
  cursor: inherit !important;
}

/* Remove any title attributes that show tooltips */
[title] {
  position: relative;
}

[title]:hover::before {
  display: none !important;
}

/* === CONTAINER === */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

/* === CARD COMPONENT === */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card--compact {
  padding: var(--space-4);
}

.card--large {
  padding: var(--space-8);
}

/* === BUTTON COMPONENT === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

/* Primary Button */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

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

.btn--primary:active {
  background-color: var(--color-primary-active);
  transform: scale(0.98);
}

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

.btn--secondary:hover {
  background-color: var(--color-surface-hover);
}

.btn--secondary:active {
  background-color: var(--color-surface-pressed);
}

/* Button Sizes */
.btn--small {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.btn--large {
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-md);
}

/* === INPUT COMPONENT === */
.input {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  transition: border-color var(--transition-fast);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.2);
}

.input:disabled {
  background-color: var(--color-surface-hover);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

.input::placeholder {
  color: var(--color-text-tertiary);
}

/* === SELECT COMPONENT === */
.select {
  position: relative;
  display: inline-block;
  width: 100%;
}

.select__input {
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="6,9 12,15 18,9"></polyline></svg>');
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 16px;
  padding-right: var(--space-10);
}

/* === BADGE COMPONENT === */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.badge--success {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.badge--warning {
  background-color: var(--color-warning);
  color: var(--color-text-inverse);
}

.badge--error {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
}

/* === LOADING SPINNER === */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.spinner--large {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

/* === DIVIDER === */
.divider {
  height: 1px;
  background-color: var(--color-divider);
  border: none;
  margin: var(--space-4) 0;
}

.divider--vertical {
  width: 1px;
  height: auto;
  margin: 0 var(--space-4);
}

/* === UTILITIES === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}