@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");

:root {
  --font-default: "Inter", system-ui, -apple-system, sans-serif;

  --bg-base: #f6f6fa;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #e5e5ea;

  --text-main: #1c1c1e;
  --text-paragraph: #4a4a4a;
  --text-muted: #76767b;
  --text-on-accent: #ffffff;

  --color-red: #b12e52;
  --color-gold: #f59e0b;

  --accent: #3b69d5;
  --accent-hover: #2d54b3;
  --accent-soft: rgba(59, 105, 213, 0.12);

  --status-success: #28cd41;
  --status-warning: #ffcc00;
  --status-error: #ff3b30;

  --border-default: #f0f0f4;
  --border-subtle: rgba(0, 0, 0, 0.04);

  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(0, 0, 0, 0.05);

  --glass-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  --glass-blur-m: blur(12px);
  --glass-blur-l: blur(20px);

  --status-badge-padding: 4px 10px;

  --shadow-s: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-m: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-l: 0 24px 60px rgba(0, 0, 0, 0.16);

  --bg-gradient-soft: linear-gradient(
    to right,
    var(--border-default),
    rgba(240, 240, 244, 0.47) 50%,
    transparent 100%
  );
  --scrim-gradient: linear-gradient(
    to top,
    rgba(255, 255, 255, 0.92) 0%,
    rgba(255, 255, 255, 0.5) 50%,
    transparent 100%
  );

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-s: 1rem;
  --space-sm: 1.25rem;
  --space-m: 1.5rem;
  --space-l: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  --radius-s: 12px;
  --radius-m: 16px;
  --radius-l: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.3s ease;
  --transition-smooth: 0.7s cubic-bezier(0.4, 0, 0.2, 1);

  --header-height: 48px;
  --container-default: 1024px;
  --container-wide: 1280px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-base: #0a0a0a;
    --bg-surface: #1c1c1e99;
    --bg-surface-elevated: #1c1c1e;

    --text-main: #f5f5f7;
    --text-paragraph: #a1a1a6;
    --text-muted: #86868b;

    --accent: #0a84ff;
    --accent-hover: #2d54b3;

    --border-default: #222224;
    --border-subtle: rgba(255, 255, 255, 0.08);

    --glass-bg: rgba(28, 28, 30, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);

    --glass-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-s: 0 4px 12px rgba(0, 0, 0, 0.12);

    --shadow-m: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-l: 0 24px 60px rgba(0, 0, 0, 0.35);

    --bg-gradient-soft: linear-gradient(
      to right,
      var(--border-default),
      rgba(44, 44, 46, 0.47) 50%,
      transparent 100%
    );
    --scrim-gradient: linear-gradient(
      to top,
      rgba(0, 0, 0, 0.92) 0%,
      rgba(0, 0, 0, 0.5) 50%,
      transparent 100%
    );
  }
}

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

::selection {
  background: #3b69d51e !important;
  color: #f59e0b !important;
}

html {
  scroll-behavior: smooth;
}
html,
body {
  font-family: var(--font-default);
  background-color: var(--bg-base);
  color: var(--text-main);
  line-height: 1.5;

  text-rendering: optimizeLegibility;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.004);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

main {
  flex: 1;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  flex-shrink: 0;
}

a {
  /* display: block; */
  color: inherit;
  text-decoration: none;
  transition:
    color var(--transition-fast),
    opacity var(--transition-fast);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: none;
  outline: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

button:hover {
  opacity: 0.92;
}

button:active {
  transform: scale(0.98);
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-main);
  border-radius: var(--radius-s);
  padding: 0.875rem 1rem;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
}

ul,
ol {
  list-style: none;
}

::selection {
  background: var(--accent);
  color: var(--text-on-accent);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.15;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-paragraph);
}

.container {
  max-width: var(--container-default);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-l);
  -webkit-backdrop-filter: var(--glass-blur-l);
  border-bottom: 1px solid var(--border-default);
  z-index: 100;
  animation-delay: 0.3s !important;
}
.nav-container {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 100%;
  padding: var(--space-sm);
}

.nav-avatar {
  display: none;
  width: var(--space-xl);
  height: var(--space-xl);
  border-radius: var(--radius-full);
  object-fit: cover;
  object-position: top;
  background: var(--text-muted);
  border: 2px solid var(--border-subtle);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-info {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 0.85rem;
}

.nav-info span {
  color: var(--text-muted);
  font-weight: 500;
}

.nav-link {
  display: none;
}

.nav-link .svg-icon {
  color: var(--text-muted);
}

.svg-icon {
  width: 24px;
  height: 24px;
  color: currentColor;
}

.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl) 0;
}

.hero-section span {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--accent);
}

.hero-section h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
}

.hero-section p {
  font-size: 1.125rem;
  margin-top: var(--space-xs);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-paragraph);
}

.card-img-box img {
  will-change: transform;
  object-position: center;
}

.project-card .status-badge {
  position: absolute;
  top: var(--space-xs);
  left: var(--space-xs);
  padding: var(--status-badge-padding);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;

  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-m);
  -webkit-backdrop-filter: var(--glass-blur-m);
  border: 1px solid var(--glass-border);

  z-index: 2;
}

.status-badge.status-completed {
  color: var(--status-success);
}
.status-badge.status-progress {
  color: var(--status-warning);
}

.card-type {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.card-text {
  font-size: 14px;
  color: var(--text-paragraph);
  line-height: 1.6;
  margin-bottom: var(--space-m);
}

.card-tags-box {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-m);
}

.tag-badge {
  font-size: 12px;
  font-weight: 500;
  padding: var(--status-badge-padding);
  border-radius: var(--radius-s);
  background: var(--bg-base);
  color: var(--text-paragraph);
  border: 1px solid var(--border-subtle);
}

.card-link-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--accent-hover);
  color: var(--text-on-accent);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-s);
  /* box-shadow: 0 4px 12px rgba(59, 105, 213, 0.2); */
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);

  margin-top: auto;
}

.card-link-btn:hover {
  background-color: var(--accent-hover);
  color: var(--text-on-accent);
}

.card-link-btn:active {
  transform: scale(0.98);
}

/* ============================= */

.projects-section {
  padding: var(--space-l) 0;
  background: var(--bg-base);
}

.project-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  padding-bottom: var(--space-s);
  margin-bottom: var(--space-s);
  border-bottom: 4px solid var(--border-default);
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  padding: 0.8rem 1rem 0.8rem 2.75rem;
  font-size: 13px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  -webkit-appearance: none;
  appearance: none;
}

.search-box .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 2;
}

.controls-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 100%;
}

.select-wrapper {
  position: relative;
  display: inline-block;
}

.sort-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;

  padding: 8px 2rem 8px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-paragraph);
  outline: none;
  cursor: pointer;

  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-m);
  -webkit-backdrop-filter: var(--glass-blur-m);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-m);
  box-shadow: var(--glass-shadow);

  -webkit-tap-highlight-color: transparent;

  transition:
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.select-wrapper::after {
  content: "";
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 0;
  height: 0;

  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--text-muted);
  pointer-events: none;

  transition: border-top-color var(--transition-fast);
}

.sort-select:focus {
  outline: none;
  border-color: transparent;
  box-shadow: var(--glass-shadow);
}

.select-wrapper:hover::after {
  border-top-color: var(--accent);
}

.sort-select option {
  background: var(--bg-surface);
  color: var(--text-main);
}

@media (max-width: 600px) {
  .controls-right {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
  }
  .select-wrapper,
  .sort-select {
    flex: 1;
    width: 100%;
  }
  .layout-switcher {
    flex: none;
  }
}

.layout-switcher {
  display: inline-flex;
  padding: 4px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-m);
  -webkit-backdrop-filter: var(--glass-blur-m);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-m);
  box-shadow: var(--glass-shadow);
}

.switcher-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-paragraph);
  border-radius: var(--radius-s);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.switcher-btn svg {
  width: 16px;
  height: 16px;
}

.switcher-btn.active {
  background: var(--bg-surface);
  color: var(--accent);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.projects-grid {
  display: grid;
  min-height: 50vh;
  gap: var(--space-m);
}

.empty-state {
  gap: 6px;
}

.projects-grid .empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) 0;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  opacity: 0;
  animation: fadeIn var(--transition-smooth) forwards;
}

.projects-grid .project-card {
  background: var(--bg-surface);
  border: 2px solid var(--border-default);
  border-radius: var(--radius-m);
  padding: var(--space-s);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color var(--transition-fast);
}

.projects-grid .project-card .card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  margin-top: var(--space-s);
}

.projects-grid .project-card .card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: var(--space-2xs);
}

.projects-grid .project-card .card-text {
  margin-bottom: var(--space-s);
}

.projects-grid .project-card .card-tags-box {
  margin-bottom: var(--space-m);
}

.projects-grid.view-grid {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.projects-grid.view-grid .project-card {
  padding: 0 !important;
}

.projects-grid.view-grid .card-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-s);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  overflow: hidden;
  background: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-default);
}

.projects-grid.view-grid .card-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
  overflow: hidden;
}

.projects-grid.view-grid .project-card .card-title {
  margin-bottom: var(--space-m);
}

.projects-grid.view-grid .project-card .card-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.projects-grid.view-grid .project-card .card-body {
  padding: var(--space-s);
  margin-top: 0;
}

.projects-grid.view-list {
  grid-template-columns: 1fr;
}

.projects-grid.view-list .project-card {
  padding: var(--space-s);
  border-radius: var(--radius-s);
}

.projects-grid.view-list .project-card .card-title {
  margin-top: var(--space-xs);
}

.projects-grid.view-list .project-card .card-text {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  line-clamp: 3;
  overflow: hidden;
  margin-top: var(--space-xs);
}

.projects-grid.view-list .project-card .card-body {
  margin-top: 0;
}

.projects-grid.view-list .card-img-box {
  display: none;
}

/* ============================================ */

.animate-fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn var(--transition-smooth) forwards;
  will-change: transform, opacity;
}

.animate-search-fade {
  opacity: 0;
  animation: searchFadeIn 0.2s ease-out forwards;
  will-change: opacity;
}

.animate-fade-left {
  opacity: 0;
  animation: fadeLeft var(--transition-smooth) forwards;
  will-change: transform, opacity;
}

.animate-fade-right {
  opacity: 0;
  animation: fadeRight var(--transition-smooth) forwards;
  will-change: transform, opacity;
}

.animate-fade-top {
  opacity: 0;
  animation: fadeInTop var(--transition-smooth) forwards;
  will-change: transform, opacity;
}

@keyframes fadeInTop {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes searchFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

footer {
  margin-top: auto;
  padding: 10px;
  background: var(--glass-bg);
  border-top: 1px solid var(--border-default);
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 400;
}

@keyframes FadeInOpacity {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: auto;
  }
  .nav-container {
    padding: 12px var(--space-sm);
  }
  .nav-avatar {
    display: block;
  }
  .nav-info {
    flex-direction: column;
  }
  .nav-link {
    display: block;
  }
  .nav-info a {
    font-size: 15px;
  }
  .hero-section p {
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .project-controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-s);
    border-bottom: none;
    padding-bottom: none;
    margin-bottom: 0;
  }
  .search-box {
    max-width: 100%;
  }
  .layout-switcher {
    justify-content: center;
  }
}

@media (hover: hover) {
  .project-card:hover .card-img-box img {
    transform: scale(1.05);
  }
  .projects-grid .project-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-m);
  }
  .sort-select:hover {
    border-color: var(--accent);
    color: var(--text-main);
  }
  .layout-switcher:hover {
    border-color: var(--accent);
  }
}

.min-h-45vh {
  min-height: 45vh;
}