/* ===== Variables CSS para temas ===== */
:root {
  --bg-primary: #F3F3E6;
  --bg-secondary: #C3A3ED;
  --text-primary: #40258B;
  --border-color: #642AA8;
  --accent-orange: #FF7700;
  --hover-bg: #642AA8;
  --hover-text: #F3F3E6;
  --shadow-color: rgba(100, 42, 168, 0.15);
  --scrollbar-thumb: #C3A3ED;
  --scrollbar-track: #F3F3E6;
}

[data-theme="dark"] {
  --bg-primary: #1a1525;
  --bg-secondary: #2d2245;
  --text-primary: #E8E8D9;
  --border-color: #C3A3ED;
  --accent-orange: #FF9E55;
  --hover-bg: #40258B;
  --hover-text: #F3F3E6;
  --shadow-color: rgba(0, 0, 0, 0.4);
  --scrollbar-thumb: #642AA8;
  --scrollbar-track: #1a1525;
}

/* ===== Reset y base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'SF Mono', Monaco, Inconsolata, 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', monospace;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 16px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== Frame principal ===== */
.frame {
  width: 390px;
  height: 800px;
  max-width: 100%;
  max-height: 95vh;
  border: 2px solid var(--border-color);
  border-radius: 16px;
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 16px 24px;
  box-shadow: 0 4px 20px var(--shadow-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* ===== Foto principal ===== */
.photo-main {
  margin-top: 20px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  transition: border-radius 0.3s ease, transform 0.2s ease, border-color 0.3s ease;
  flex-shrink: 0;
  z-index: 10;
}

.photo-main:hover {
  transform: scale(1.02);
  border-color: var(--border-color);
}

.photo-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-main.square {
  border-radius: 16px;
}

/* ===== Fila de controles ===== */
.controls-row {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-shrink: 0;
  z-index: 10;
}

.toggle-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--bg-secondary);
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  flex-shrink: 0;
}

.toggle-btn:hover {
  border-color: var(--border-color);
  background-color: var(--bg-secondary);
  transform: scale(1.1);
}

.toggle-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.8);
}

[data-theme="dark"] .toggle-btn img {
  filter: brightness(1.2);
}

/* ===== Username ===== */
.username {
  margin-top: 15px;
  font-weight: bold;
  font-size: 1.125rem;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: 0.5px;
  flex-shrink: 0;
  z-index: 10;
  transition: color 0.3s ease;
}

/* ===== Navegación de sección ===== */
.section-nav {
  margin-top: 12px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  z-index: 10;
}

.section-subtitle {
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.section-subtitle small {
  display: block;
  font-size: 0.75rem;
  opacity: 0.85;
  margin-top: 2px;
}

.section-numbers {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}

.section-numbers span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: bold;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.section-numbers span:hover,
.section-numbers span.active {
  background-color: var(--border-color);
  color: var(--bg-primary);
  transform: scale(1.1);
}

/* ===== Contenedor de links ===== */
.links-container {
  margin-top: 16px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  overflow-y: hidden;
  overflow-x: hidden;
  padding: 4px 2px 8px;
  scroll-behavior: smooth;
}

/* ===== Estado con scroll habilitado ===== */
.frame.scroll-unlocked .links-container {
  overflow-y: auto;
}

/* ===== Estilo de cada link/botón ===== */
.link-btn {
  padding: 12px 16px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  text-align: center; /* ← CAMBIAR: de 'left' a 'center' */
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: block;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.link-btn:hover,
.link-btn:focus {
  background-color: var(--hover-bg);
  color: var(--hover-text);
  border-color: var(--border-color);
  outline: none;
  transform: translateX(2px);
}

.link-btn.accent {
  color: var(--accent-orange);
  border-color: var(--accent-orange);
  font-weight: 600;
}

.link-btn.accent:hover {
  background-color: var(--accent-orange);
  color: var(--bg-primary);
}

.link-btn.hidden-link {
  display: none;
}

.frame.scroll-unlocked .link-btn.hidden-link {
  display: block;
}

/* Indicador de "abre en nueva ventana" */
.link-btn::after {
  content: "↗";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8rem;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.link-btn:hover::after {
  opacity: 1;
}

/* ===== Botón bottom para ver ocultos ===== */
.scroll-toggle {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--border-color);
  border: 2px solid var(--bg-primary);
  color: var(--bg-primary);
  font-weight: bold;
  font-size: 0.8rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 20;
  box-shadow: 0 2px 10px var(--shadow-color);
}

.scroll-toggle.visible {
  display: flex;
}

.scroll-toggle:hover {
  transform: translateX(-50%) scale(1.1);
  background-color: var(--hover-bg);
}

/* ===== Botón "menos" para colapsar ===== */
.collapse-btn {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--border-color);
  border: 2px solid var(--bg-primary);
  color: var(--bg-primary);
  font-weight: bold;
  font-size: 1.2rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 20;
  box-shadow: 0 2px 10px var(--shadow-color);
}

.collapse-btn.visible {
  display: flex;
}

.collapse-btn:hover {
  transform: translateX(-50%) scale(1.1);
  background-color: var(--hover-bg);
}

/* ===== Scrollbar personalizado ===== */
.links-container::-webkit-scrollbar {
  width: 5px;
}

.links-container::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

.links-container::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

.links-container::-webkit-scrollbar-thumb:hover {
  background: var(--border-color);
}

/* ===== Responsividad ===== */
@media (max-width: 420px) {
  .frame {
    width: 100%;
    height: auto;
    min-height: 800px;
    max-height: 95vh;
  }
}