@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;600;700&display=swap');

:root {
  --rosa: #ffd6e8;
  --rosa-claro: #ffe3f7;
  --azul-pastel: #b2eaff;
  --azul-hover: #baeaff;
  --texto: #3a3a3a;
  --subtitulo: #555;
  --bg-color: #fdf6f9;
  --card-bg: rgba(255, 255, 255, 0.85);
  --header-bg: linear-gradient(120deg, #ffd1dc, #c2f0fc);
}

[data-theme="dark"] {
  --rosa: #c95c89;
  --rosa-claro: #4a2842;
  --azul-pastel: #2d5a6b;
  --azul-hover: #1e3f4d;
  --texto: #fdf6f9;
  --subtitulo: rgba(255, 255, 255, 0.75);
  --bg-color: #121212;
  --card-bg: rgba(30, 30, 30, 0.85);
  --header-bg: linear-gradient(120deg, #4a2842, #2d5a6b);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Quicksand', sans-serif;
  background-color: var(--bg-color);
  color: var(--texto);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Stars effect from bio.css */
.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background: transparent;
}

.stars::before,
.stars::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background-image:
    radial-gradient(white 1px, transparent 1px),
    radial-gradient(var(--rosa-claro) 1.5px, transparent 1.5px),
    radial-gradient(var(--azul-pastel) 1px, transparent 1px);
  background-size: 80px 80px, 120px 120px, 200px 200px;
  background-position: 0 0, 40px 60px, 100px 120px;
  opacity: 0.7;
  animation: stars-move 60s linear infinite;
}

.stars::after {
  background-size: 160px 160px, 240px 240px, 400px 400px;
  background-position: 80px 40px, 60px 100px, 200px 80px;
  opacity: 0.4;
  animation-duration: 90s;
}

@keyframes stars-move {
  0% { transform: translateY(0); }
  100% { transform: translateY(40px); }
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 2rem;
  position: relative;
  z-index: 1;
}

.page-header {
  text-align: center;
  margin-bottom: 4rem;
  background: var(--header-bg);
  padding: 3rem 2rem;
  border-radius: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
  border: 2px solid var(--rosa-claro);
  transition: all 0.3s ease;
}

.page-header h1 {
  font-size: 3.5rem;
  margin: 0 0 0.5rem 0;
  color: var(--texto);
  letter-spacing: -1px;
}

.page-header p {
  font-size: 1.2rem;
  color: var(--subtitulo);
  margin: 0;
  font-weight: 600;
}

.category {
  margin-bottom: 4rem;
}

.category h2 {
  font-size: 2rem;
  color: #e77db0;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px dashed var(--rosa);
  display: inline-block;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.project-card {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  padding: 2.5rem 1.5rem;
  border-radius: 24px;
  text-decoration: none;
  color: var(--texto);
  font-weight: 700;
  font-size: 1.4rem;
  text-align: center;
  border: 2px solid var(--rosa-claro);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.9) 50%, transparent 60%);
  background-size: 300% 300%;
  background-position: 100% 100%;
  transition: all 0.6s ease;
  z-index: -1;
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-10px) scale(1.03);
  background-color: var(--azul-hover);
  border-color: var(--azul-pastel);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 8px 20px rgba(0, 0, 0, 0.1);
  color: var(--texto);
}

.project-card:hover::before {
  background-position: 0% 0%;
}

/* Theme Toggle Styles */
.theme-toggle-wrapper {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 100;
}

.theme-toggle {
  background: var(--card-bg);
  border: 2px solid var(--rosa-claro);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
  background: var(--azul-hover);
}