/**
 * Components Stylesheet
 * Navigation, buttons, cards, and reusable UI components
 */

/* Navigation Bar */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0);
  z-index: 100;
  contain: layout style; /* Prevent nav changes from triggering page reflow */
}

nav .nav-header {
  display: flex;
  align-items: center;
  width: 100%;
}

nav .title {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: white;
  font-size: 1.1em;
  flex: 0 0 auto;
  margin-right: 12px;
  cursor: pointer;
  transition: color 0.3s ease;
}

nav .title:hover {
  color: var(--wave-color);
}

nav .title:focus {
  outline: 2px solid var(--wave-color);
  outline-offset: 2px;
}

nav .search-bar {
  display: block;
  padding: 4px 8px;
  font-size: 0.95em;
  border-radius: 4px;
  border: 1px solid #ccc;
  margin-left: auto;
}

nav .menu {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex: 1 1 auto;
  justify-content: flex-end;
}

nav .menu a {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: white;
  text-decoration: none;
  font-size: 0.95em;
  white-space: nowrap;
  padding: 4px 8px;
  transition: color 0.3s ease;
}

nav .menu a i {
  font-size: 1.1em;
}

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

nav .menu a:focus {
  outline: 2px solid var(--wave-color);
  outline-offset: 2px;
  border-radius: 4px;
}

.search-icon {
  position: absolute;
  right: 1rem;
  top: 0.5rem;
  color: white;
  text-decoration: none;
  font-size: 1.2em;
}

/* Homepage FX controls */
#fx-controls {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 180;
}

#home-fx-toggle {
  position: fixed;
  top: 0.85rem;
  right: 0.85rem;
  min-width: 52px;
  min-height: 44px;
  padding: 0.7rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(10, 18, 32, 0.55);
  color: white;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

#home-fx-toggle:hover {
  transform: translateY(-1px);
  background: rgba(20, 32, 56, 0.78);
  border-color: rgba(255, 255, 255, 0.28);
}

#home-fx-toggle[data-active="true"] {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(78, 160, 255, 0.26)),
    rgba(12, 18, 31, 0.78);
  border-color: rgba(160, 212, 255, 0.35);
}

#home-fx-toggle[data-open="true"] {
  box-shadow:
    0 14px 30px rgba(0, 0, 0, 0.32),
    0 0 28px rgba(74, 158, 255, 0.16);
}

#home-fx-toggle:focus-visible {
  outline: 2px solid var(--wave-color);
  outline-offset: 3px;
}

.fx-toggle-label {
  display: block;
  line-height: 1;
}

#home-fx-panel {
  position: fixed;
  top: 4.4rem;
  right: 0.85rem;
  width: min(380px, calc(100vw - 1.7rem));
  max-height: min(76vh, 760px);
  overflow-y: auto;
  padding-right: 0.15rem;
}

.fx-panel-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(15, 19, 30, 0.94), rgba(6, 9, 17, 0.9));
  color: white;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow:
    0 24px 54px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  padding: 1.1rem;
}

.fx-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.fx-heading {
  margin: 0;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.fx-copy {
  margin: 0.3rem 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.85rem;
  line-height: 1.45;
}

.fx-toggle-row {
  display: inline-flex;
  gap: 0.55rem;
}

.fx-toggle-chip {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: white;
  font-family: inherit;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.fx-toggle-chip[aria-pressed="true"] {
  background: white;
  color: black;
  border-color: rgba(255, 255, 255, 0.5);
}

.fx-toggle-chip:focus-visible {
  outline: 2px solid var(--wave-color);
  outline-offset: 2px;
}

.fx-section {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.95rem;
}

.fx-section + .fx-section {
  margin-top: 0.85rem;
}

.fx-section-title {
  margin: 0;
  font-size: 0.84rem;
  font-weight: 600;
  color: white;
}

.fx-section-copy {
  margin: 0.28rem 0 0.8rem;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.75rem;
  line-height: 1.45;
}

.fx-profile-grid,
.fx-preset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.fx-profile-button,
.fx-preset-button {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  padding: 0;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    color var(--transition-fast);
}

.fx-profile-button:hover,
.fx-preset-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
}

.fx-profile-button[data-selected="true"],
.fx-preset-button[data-selected="true"] {
  background: white;
  color: black;
  border-color: rgba(255, 255, 255, 0.45);
}

.fx-profile-button:focus-visible,
.fx-preset-button:focus-visible,
.fx-color-input:focus-visible,
.fx-range-input:focus-visible {
  outline: 2px solid var(--wave-color);
  outline-offset: 2px;
}

.fx-profile-accent {
  display: block;
  height: 4px;
}

.fx-profile-content,
.fx-preset-content {
  padding: 0.78rem;
}

.fx-profile-label,
.fx-preset-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
}

.fx-profile-description,
.fx-preset-description {
  display: block;
  margin-top: 0.32rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.71rem;
  line-height: 1.45;
}

.fx-profile-button[data-selected="true"] .fx-profile-description,
.fx-preset-button[data-selected="true"] .fx-preset-description {
  color: rgba(0, 0, 0, 0.68);
}

.fx-range-stack {
  display: grid;
  gap: 0.7rem;
}

.fx-range-row {
  display: grid;
  gap: 0.45rem;
}

.fx-range-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.fx-range-label {
  font-size: 0.82rem;
  font-weight: 500;
}

.fx-range-output {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
}

.fx-range-input {
  width: 100%;
  accent-color: white;
}

.fx-swatch-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.45rem;
}

.fx-swatch {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  flex: 0 0 auto;
}

.fx-arrow {
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.78rem;
}

.fx-color-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.fx-color-field {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.75rem;
}

.fx-color-label {
  display: block;
  margin-bottom: 0.55rem;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.fx-color-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.fx-color-input {
  width: 52px;
  height: 38px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
}

.fx-color-value {
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Consolas, 'Liberation Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}

.fx-summary {
  display: grid;
  gap: 0.4rem;
}

.fx-summary-title {
  margin: 0;
  font-size: 0.84rem;
  font-weight: 600;
}

.fx-summary-text {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.78rem;
  line-height: 1.55;
}

.fx-note {
  margin: 0.6rem 0 0;
  padding: 0.7rem 0.8rem;
  border-radius: 16px;
  background: rgba(74, 158, 255, 0.12);
  color: rgba(207, 232, 255, 0.94);
  font-size: 0.73rem;
  line-height: 1.5;
}

@media (max-width: 700px) {
  #home-fx-toggle {
    top: 0.7rem;
    right: 0.7rem;
  }

  #home-fx-panel {
    top: 4.2rem;
    right: 0.7rem;
    width: min(360px, calc(100vw - 1.4rem));
  }
}

@media (max-width: 540px) {
  #home-fx-panel {
    right: 0.7rem;
    left: 0.7rem;
    width: auto;
    max-height: calc(100svh - 5rem);
  }

  .fx-profile-grid,
  .fx-preset-grid,
  .fx-color-grid {
    grid-template-columns: 1fr;
  }

  .fx-panel-card {
    padding: 0.95rem;
    border-radius: 24px;
  }
}

/* Responsive Navigation - Tablet and smaller */
@media (max-width: 700px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }

  nav .title {
    margin-bottom: 0;
  }

  nav .search-bar {
    display: block;
    margin-left: 12px;
  }

  nav .menu {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 8px;
  }

  nav .menu.open {
    display: flex;
  }
}

/* Responsive Navigation - Mobile */
@media (max-width: 500px) {
  nav .menu a {
    font-size: 0.8em;
    padding: 2px 4px;
  }
}

/* Mobile touch target sizes (WCAG 2.5.5 - minimum 44x44px) */
@media (pointer: coarse) {
  nav .menu a,
  nav .title,
  footer a {
    min-height: var(--min-touch-target, 44px);
    min-width: var(--min-touch-target, 44px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Ensure buttons and links have adequate touch targets */
  button,
  [role="button"],
  input[type="submit"],
  input[type="button"] {
    min-height: var(--min-touch-target, 44px);
    min-width: var(--min-touch-target, 44px);
  }

  /* Add spacing between interactive elements */
  nav .menu {
    gap: 8px;
  }
}