/* ====================================
   Josep Costas - Disseny Modern
   ==================================== */

:root {
  --bg-dark: #0a0a0f;
  --bg-card: #1a1a2e;
  --bg-hover: #252540;
  --text-light: #e8e8f0;
  --text-muted: #a0a0b8;
  --accent-blue: #4a90e2;
  --accent-gold: #f4a261;
  --accent-purple: #9d4edd;
  --border-color: #2a2a40;
  --shadow: rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a3e 100%);
  color: var(--text-light);
  line-height: 1.7;
  min-height: 100vh;
  background-attachment: fixed;
}

/* ====== Container ====== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ====== Header ====== */
header {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--border-color);
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px var(--shadow);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

h1 {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  letter-spacing: 1px;
}

/* ====== Language Switcher ====== */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-switcher img {
  width: 32px;
  height: 24px;
  cursor: pointer;
  transition: transform 0.3s, filter 0.3s;
  border: 2px solid transparent;
  border-radius: 4px;
}

.lang-switcher img:hover {
  transform: scale(1.1);
  filter: brightness(1.2);
  border-color: var(--accent-blue);
}

/* ====== Navigation ====== */
nav {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 0.5rem;
  margin: 2rem 0;
  box-shadow: 0 8px 32px var(--shadow);
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

nav a {
  display: block;
  padding: 0.8rem 1.5rem;
  color: var(--text-light);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s;
  font-weight: 500;
}

nav a:hover {
  background: var(--bg-hover);
  color: var(--accent-gold);
  transform: translateY(-2px);
}

nav a.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white;
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

/* ====== Memorial Banner ====== */
.memorial {
  background: linear-gradient(135deg, #f4a261, #e76f51);
  color: white;
  padding: 1.5rem;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 12px;
  margin: 2rem 0;
  box-shadow: 0 8px 24px rgba(231, 111, 81, 0.3);
  animation: fadeIn 1s;
}

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

/* ====== Content Card ====== */
.content-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2.5rem;
  margin: 2rem 0;
  box-shadow: 0 12px 40px var(--shadow);
  border: 1px solid var(--border-color);
}

.content-card h2 {
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.content-card p {
  margin-bottom: 1rem;
  text-align: justify;
}

/* ====== Profile Section ====== */
.profile-section {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  align-items: start;
}

.profile-image {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 32px var(--shadow);
  border: 3px solid var(--accent-blue);
}

/* ====== Diaries Grid ====== */
.diaries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.diary-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.diary-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px var(--shadow);
  border-color: var(--accent-blue);
}

.diary-card img {
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.diary-card h3 {
  color: var(--accent-gold);
  font-size: 1.3rem;
}

.diary-card .date {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.diary-card .label {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* ====== Viewer (for diaries) ====== */
.viewer {
  background: var(--bg-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}

.viewer-controls {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  box-shadow: 0 8px 32px var(--shadow);
  flex-wrap: wrap;
  justify-content: center;
}

.viewer-controls button {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white;
  border: none;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-size: 1.1rem;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s;
  min-width: 80px;
}

.viewer-controls button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(74, 144, 226, 0.4);
}

.viewer-controls button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.viewer-controls input[type="number"] {
  background: var(--bg-dark);
  color: var(--text-light);
  border: 2px solid var(--border-color);
  padding: 0.8rem;
  border-radius: 8px;
  font-size: 1rem;
  width: 100px;
  text-align: center;
  font-weight: 600;
}

.viewer-controls input[type="number"]:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.viewer-image {
  max-width: 90%;
  max-height: 70vh;
  border-radius: 12px;
  box-shadow: 0 16px 64px var(--shadow);
  border: 3px solid var(--border-color);
}

.page-info {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin: 0 1rem;
  font-weight: 500;
}

/* ====== Footer ====== */
footer {
  background: var(--bg-card);
  padding: 2rem 0;
  margin-top: 4rem;
  text-align: center;
  border-top: 2px solid var(--border-color);
}

footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ====== Responsive ====== */
@media (max-width: 768px) {
  h1 {
    font-size: 1.5rem;
  }

  .profile-section {
    grid-template-columns: 1fr;
  }

  .diaries-grid {
    grid-template-columns: 1fr;
  }

  nav ul {
    flex-direction: column;
    width: 100%;
  }

  nav a {
    text-align: center;
    width: 100%;
  }

  .content-card {
    padding: 1.5rem;
  }

  .viewer-controls {
    flex-direction: column;
    width: 100%;
  }

  .viewer-controls button,
  .viewer-controls input {
    width: 100%;
  }
}

/* ====== Utilities ====== */
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

strong {
  color: var(--accent-gold);
}

a {
  color: var(--accent-blue);
  transition: color 0.3s;
}

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