/* Base Styles for Waymark Note */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-primary);
}

h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

h5 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  list-style: none;
}

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

.container-fluid {
  width: 100%;
  padding: 0 var(--container-padding);
}

/* Section */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-sm {
  padding: var(--spacing-xl) 0;
}

.section-lg {
  padding: calc(var(--spacing-xxl) * 1.5) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.justify-evenly {
  justify-content: space-evenly;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* Text Alignment */
.text-left {
  text-align: left;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

/* Text Colors */
.text-primary {
  color: var(--color-primary);
}

.text-secondary {
  color: var(--color-secondary);
}

.link-primary {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.link-primary:hover {
  color: var(--color-secondary);
}

.text-white {
  color: var(--color-white) !important;
}

.text-light {
  color: var(--color-text-light);
  font-weight: bold;
}

/* Background Colors */
.bg-primary {
  background-color: var(--color-primary);
}

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

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

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

.bg-warm {
  background-color: var(--color-warm-light);
}

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

.bg-gradient-secondary {
  background: var(--gradient-secondary);
}

/* Button Base Styles — Elemental UI style (flat, border-based) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  text-decoration: none;
  /* user-select: none; */
}

.btn:hover {
  opacity: 1;
}

.btn:active {
  opacity: 1;
}

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

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

.btn-teal {
  background-color: var(--color-teal);
  border-color: var(--color-teal);
  color: var(--color-white);
}

.btn-teal:hover {
  background-color: var(--color-hover-bg);
  border-color: var(--color-hover-bg);
  color: var(--color-hover-text);
}

.btn-outline {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-hover-bg);
  border-color: var(--color-hover-bg);
  color: var(--color-hover-text);
}

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

.btn-white:hover {
  background-color: var(--color-hover-bg);
  border-color: var(--color-hover-bg);
  color: var(--color-hover-text);
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: var(--font-size-xs);
}

/* Card — Elemental UI style (border-based, flat) */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.card:hover {
  border-color: #c0c0c0;
  box-shadow: var(--shadow-md);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.card-text {
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background-color: var(--color-secondary);
  color: var(--color-white);
}

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

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

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

.badge-outline {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-secondary);
  color: var(--color-secondary);
}

/* Responsive Typography */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

  h3 {
    font-size: var(--font-size-2xl);
  }

  .section {
    padding: var(--spacing-xl) 0;
  }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(1, 1fr);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 奇数枚目の最後が単独になる場合に中央揃え */
  .grid-cols-3 > :last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: calc(50% - var(--spacing-md) / 2);
    margin-left: auto;
    margin-right: auto;
  }
}

/* Animation Utilities */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.8s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease-out;
}

/* Utility Classes */
.hidden {
  display: none;
}

.visible {
  display: block;
}

.overflow-hidden {
  overflow: hidden;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}

.z-10 {
  z-index: 10;
}

.z-20 {
  z-index: 20;
}

.z-30 {
  z-index: 30;
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.opacity-0 {
  opacity: 0;
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-100 {
  opacity: 1;
}

/* Spacing Utilities */
.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.mb-xxl {
  margin-bottom: var(--spacing-xxl);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.p-sm {
  padding: var(--spacing-sm);
}

.p-md {
  padding: var(--spacing-md);
}

.p-lg {
  padding: var(--spacing-lg);
}

.p-xl {
  padding: var(--spacing-xl);
}