/**
 * HatchEDU Design System — Reusable Components
 * Buttons, cards, forms, and other UI elements
 */

/* ===== BUTTONS ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  font-family: var(--font-primary);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

a.btn-primary,
a.btn-primary:visited {
  color: #FFFFFF !important;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  transform: scale(1.05);
}

a.btn-primary:hover {
  color: #FFFFFF !important;
}

.btn-primary:active:not(:disabled) {
  background-color: var(--color-primary-dark);
  transform: scale(0.98);
}

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.05);
}

/* Secondary button on dark backgrounds */
.hero-section .btn-secondary {
  color: white;
  border-color: white;
  background-color: rgba(255, 255, 255, 0.1);
}

.hero-section .btn-secondary:hover:not(:disabled) {
  background-color: white;
  color: var(--color-primary);
}

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

.btn-cta:hover:not(:disabled) {
  background-color: #ffc107;
  transform: scale(1.05);
}

/* Danger Button */
.btn-danger {
  background-color: var(--color-error);
  color: var(--color-white);
}

.btn-danger:hover:not(:disabled) {
  background-color: #d32f2f;
  transform: scale(1.05);
}

/* Size Variants */
.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
}

.btn-lg {
  padding: var(--space-md) var(--space-2xl);
  font-size: 1.125rem;
}

.btn-full {
  width: 100%;
}

/* ===== CARDS ===== */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.card-body {
  margin-bottom: var(--space-md);
}

.card-footer {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.card-accent {
  border-left: 4px solid var(--color-primary);
}

/* ===== FORMS ===== */

.form-group {
  margin-bottom: var(--space-lg);
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

label .required {
  color: var(--color-error);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-help {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.form-error {
  color: var(--color-error);
}

input.error,
textarea.error,
select.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.1);
}

/* Checkboxes and Radio Buttons */
.form-check {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-md);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: auto;
  margin-right: var(--space-md);
  cursor: pointer;
}

.form-check label {
  margin-bottom: 0;
  cursor: pointer;
}

/* ===== NAVIGATION ===== */

nav {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.nav-menu a {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-primary);
}

.nav-menu a.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu a {
    display: block;
    padding: var(--space-md) var(--space-lg);
  }

  .nav-toggle {
    display: block;
  }
}

/* ===== BADGES ===== */

.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
}

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

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

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

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

/* ===== ALERTS ===== */

.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  border-left: 4px solid;
}

.alert-success {
  background-color: #e8f5e9;
  border-color: var(--color-success);
  color: #1b5e20;
}

.alert-warning {
  background-color: #fff3e0;
  border-color: var(--color-warning);
  color: #e65100;
}

.alert-error {
  background-color: #ffebee;
  border-color: var(--color-error);
  color: #b71c1c;
}

.alert-info {
  background-color: #e3f2fd;
  border-color: var(--color-info);
  color: #0d47a1;
}

/* ===== TABLES ===== */

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
}

thead {
  background-color: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
}

th {
  padding: var(--space-md);
  text-align: left;
  font-weight: var(--font-weight-semibold);
}

td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

tbody tr:hover {
  background-color: var(--color-bg);
}

/* ===== MODALS ===== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* ===== RESPONSIVE GRID ===== */

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}

.col-1 {
  grid-column: span 1;
}
.col-2 {
  grid-column: span 2;
}
.col-3 {
  grid-column: span 3;
}
.col-4 {
  grid-column: span 4;
}
.col-5 {
  grid-column: span 5;
}
.col-6 {
  grid-column: span 6;
}
.col-7 {
  grid-column: span 7;
}
.col-8 {
  grid-column: span 8;
}
.col-9 {
  grid-column: span 9;
}
.col-10 {
  grid-column: span 10;
}
.col-11 {
  grid-column: span 11;
}
.col-12 {
  grid-column: span 12;
}

/* Responsive columns */
@media (max-width: 1024px) {
  .col-lg-6 {
    grid-column: span 6;
  }
  .col-lg-12 {
    grid-column: span 12;
  }
}

@media (max-width: 768px) {
  .col-md-6 {
    grid-column: span 6;
  }
  .col-md-12 {
    grid-column: span 12;
  }
  .grid-12 {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 640px) {
  .col-sm-12 {
    grid-column: span 12;
  }
  .grid-12 {
    grid-template-columns: 1fr;
  }
}