/* ==========================================================================
   Own Your Manual - Components
   ========================================================================== */

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-bg-layer);
}

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

@media (min-width: 768px) {
  .nav-container {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

.nav-logo {
  font-size: var(--font-size-large);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

.nav-logo:hover {
  text-decoration: none;
  opacity: 0.9;
}

/* Desktop Navigation */
.nav-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-links li {
  margin: 0;
}

.nav-links a {
  color: var(--color-text);
  font-weight: var(--font-weight-regular);
  padding: var(--spacing-xs) 0;
  position: relative;
}

.nav-links a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--color-primary);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}

/* Mobile Navigation */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 101;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  padding: calc(60px + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
  z-index: 99;
}

.nav-mobile.is-open {
  display: block;
}

@media (min-width: 768px) {
  .nav-mobile {
    display: none !important;
  }
}

.nav-mobile-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-mobile-links li {
  margin-bottom: var(--spacing-sm);
}

.nav-mobile-links a {
  display: block;
  color: var(--color-text);
  font-size: var(--font-size-large);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-bg-layer);
}

.nav-mobile-links a:hover,
.nav-mobile-links a.active {
  color: var(--color-primary);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ==========================================================================
   Theme Toggle
   ========================================================================== */

.theme-toggle {
  background: none;
  border: 2px solid var(--color-bg-layer);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs);
  cursor: pointer;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
}

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

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-bg-layer);
  padding: var(--spacing-lg) 0;
  margin-top: auto;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-container {
    padding: 0 var(--spacing-md);
  }
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin: var(--spacing-sm) 0;
  flex-wrap: wrap;
}

.footer-social a {
  color: var(--color-text);
}

.footer-social a:hover {
  color: var(--color-primary);
}

.footer-credit {
  font-size: var(--font-size-small);
  color: var(--color-text);
  opacity: 0.7;
  margin-top: var(--spacing-sm);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 44px;
  border: none;
}

.btn:hover {
  text-decoration: none;
}

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

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

.btn-primary:hover {
  opacity: 0.9;
}

.btn-primary:visited {
  color: var(--color-bg);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-secondary:visited {
  color: var(--color-primary);
}

.btn-secondary:hover:visited {
  color: var(--color-bg);
}

.btn-large {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-large);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-bg-layer);
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.card:last-child {
  margin-bottom: 0;
}

.card h3 {
  margin-top: 0;
}

.card-write {
  border-left-color: var(--color-accent-write);
}

.card-own {
  border-left-color: var(--color-accent-own);
}

/* ==========================================================================
   Tags
   ========================================================================== */

.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-small);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

.tag-write {
  background: var(--color-accent-write);
  color: var(--color-bg);
}

[data-theme="light"] .tag-write {
  color: #2A3A45;
}

.tag-own {
  background: var(--color-accent-own);
  color: var(--color-bg);
}

[data-theme="light"] .tag-own {
  color: #2A3A45;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group:last-of-type {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.label-required::after {
  content: ' *';
  color: var(--color-error);
}

input[type="text"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--color-bg-layer);
  border-radius: var(--border-radius);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

[data-theme="light"] input[type="text"],
[data-theme="light"] input[type="email"],
[data-theme="light"] textarea,
[data-theme="light"] select {
  border-color: #D0CEC8;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 139, 139, 0.2);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23F8F6F2' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

[data-theme="light"] select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%232A3A45' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

.form-error-message {
  color: var(--color-error);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: var(--color-error);
}

.form-group.has-error .form-error-message {
  display: block;
}

/* Honeypot */
.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* Form Messages */
.form-message {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  display: none;
}

.form-message.is-visible {
  display: block;
}

.form-message-success {
  background: rgba(126, 232, 168, 0.15);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.form-message-error {
  background: rgba(232, 155, 126, 0.15);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

/* ==========================================================================
   Lists (styled)
   ========================================================================== */

.list-check {
  list-style: none;
  padding-left: 0;
}

.list-check li {
  position: relative;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.list-check li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.list-numbered {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
}

.list-numbered li {
  counter-increment: list-counter;
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.list-numbered li::before {
  content: counter(list-counter);
  position: absolute;
  left: 0;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: var(--color-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
}

/* ==========================================================================
   Placeholder Image
   ========================================================================== */

.placeholder-image {
  background: var(--color-bg-layer);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  opacity: 0.5;
  aspect-ratio: 16 / 9;
}

.placeholder-image-square {
  aspect-ratio: 1 / 1;
}

.placeholder-image svg {
  width: 48px;
  height: 48px;
  fill: currentColor;
}