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

:root {
  --c-primary: #1d4ed8;
  --c-secondary: #1e3a8a;
  --c-bg: #f8fafc;
  --c-text: #0f172a;
  --c-accent: #3b82f6;
  --c-surface: #ffffff;
  --c-border: #e2e8f0;
  --c-muted: #64748b;
}

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--c-bg, #f8fafc);
  color: var(--c-text, #0f172a);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary, #1d4ed8); }
.icon { width: 22px; height: 22px; flex: 0 0 auto; }

/* --- Full screen profile background --- */
.profile-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-color: var(--c-bg, #f8fafc);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.profile-bg.theme-bg {
  background-image: linear-gradient(160deg, var(--c-primary, #1d4ed8), var(--c-secondary, #1e3a8a));
}
.profile-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.6));
}

/* --- Linktree style column --- */
.profile {
  max-width: 480px;
  margin: 0 auto;
  padding: 34px 18px 40px;
}
.profile-head { text-align: center; color: #fff; color: var(--c-on-bg, #fff); }
.avatar {
  width: 110px; height: 110px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  margin: 0 auto;
}
.avatar-initials {
  width: 110px; height: 110px; line-height: 110px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.85);
  background: var(--c-primary, #1d4ed8);
  color: #fff;
  color: var(--c-on-primary, #fff);
  font-size: 40px; font-weight: 800;
  text-align: center;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  text-shadow:
    1px 1px 0 var(--c-on-primary-shadow, rgba(0, 0, 0, 0.65)),
    -1px 1px 0 var(--c-on-primary-shadow, rgba(0, 0, 0, 0.65)),
    1px -1px 0 var(--c-on-primary-shadow, rgba(0, 0, 0, 0.65)),
    -1px -1px 0 var(--c-on-primary-shadow, rgba(0, 0, 0, 0.65));
}
.profile-name {
  font-size: 22px; font-weight: 800;
  margin: 14px 0 2px;
}
.profile-subtitle { margin: 0 0 4px; font-size: 15px; font-weight: 600; }
.profile-bio { margin: 6px 0 0; font-size: 14px; }

/* Contrasting outline for text placed over the profile background. */
.profile-name,
.profile-subtitle,
.profile-bio {
  color: #fff;
  color: var(--c-on-bg, #fff);
  text-shadow:
    1px 1px 0 var(--c-on-bg-shadow, rgba(0, 0, 0, 0.65)),
    -1px 1px 0 var(--c-on-bg-shadow, rgba(0, 0, 0, 0.65)),
    1px -1px 0 var(--c-on-bg-shadow, rgba(0, 0, 0, 0.65)),
    -1px -1px 0 var(--c-on-bg-shadow, rgba(0, 0, 0, 0.65)),
    0 2px 8px var(--c-on-bg-shadow, rgba(0, 0, 0, 0.5));
}

/* --- Links --- */
.links { margin-top: 24px; display: flex; flex-direction: column; }
.link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 12px 16px;
  margin-bottom: 12px;
  background: var(--c-surface, #fff);
  color: var(--c-text, #0f172a);
  text-decoration: none;
  border: 1px solid var(--c-border, #e2e8f0);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.14);
  transition: transform 0.12s ease;
}
.link:active { transform: scale(0.975); }
.links > .link:last-child { margin-bottom: 0; }
.link .icon { color: var(--c-primary, #1d4ed8); }
.link-label { font-weight: 700; text-shadow: 0 1px 1px var(--c-on-surface-shadow, rgba(0, 0, 0, 0)); }
.link-text {
  margin-left: auto;
  max-width: 45%;
  font-size: 13px;
  color: var(--c-muted, #64748b);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-shadow: 0 1px 1px var(--c-on-surface-shadow, rgba(0, 0, 0, 0));
}
.link-info { cursor: default; }

/* Layout: destacado */
.layout-destacado .link-featured {
  min-height: 104px;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  gap: 8px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--c-primary, #1d4ed8), var(--c-secondary, #1e3a8a));
  color: #fff;
  color: var(--c-on-bg, #fff);
  border-color: transparent;
}
.layout-destacado .link-featured .icon { width: 30px; height: 30px; color: #fff; color: var(--c-on-bg, #fff); }
.layout-destacado .link-featured .link-label { font-size: 18px; }
.layout-destacado .link-featured .link-text { margin-left: 0; max-width: 100%; color: inherit; }
.layout-destacado .link-featured .link-label,
.layout-destacado .link-featured .link-text {
  text-shadow:
    1px 1px 0 var(--c-on-bg-shadow, rgba(0, 0, 0, 0.65)),
    -1px -1px 0 var(--c-on-bg-shadow, rgba(0, 0, 0, 0.65)),
    0 2px 6px var(--c-on-bg-shadow, rgba(0, 0, 0, 0.5));
}

/* Layout: cuadricula (flex based for maximum compatibility) */
.layout-cuadricula .links { flex-direction: row; flex-wrap: wrap; margin: 24px -6px 0; }
.layout-cuadricula .link {
  flex-direction: column;
  justify-content: center;
  text-align: center;
  width: calc(50% - 12px);
  margin: 6px;
  min-height: 118px;
  gap: 8px;
}
.layout-cuadricula .link-text { margin-left: 0; max-width: 100%; white-space: normal; font-size: 12px; }
.layout-cuadricula .link-featured { width: calc(100% - 12px); min-height: 92px; }

/* --- QR card --- */
.qr-box {
  margin-top: 28px;
  background: #fff;
  color: #111827;
  border-radius: 18px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}
.qr-box h2 {
  font-size: 14px; text-transform: uppercase; letter-spacing: 0.04em;
  color: #4b5563; margin: 0 0 14px;
}
.qr-box img { width: 200px; height: 200px; margin: 0 auto 14px; display: block; }

.btn {
  display: inline-block;
  min-height: 44px;
  padding: 12px 22px;
  background: var(--c-primary, #1d4ed8);
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 700;
}

.profile-footer {
  text-align: center;
  color: #fff;
  color: var(--c-on-bg, rgba(255, 255, 255, 0.85));
  font-size: 12px;
  margin-top: 26px;
  text-shadow: 0 1px 3px var(--c-on-bg-shadow, rgba(0, 0, 0, 0.6));
}
.profile-footer a { color: #fff; color: var(--c-on-bg, #fff); }

/* --- Simple pages (home, 404) --- */
.container { max-width: 680px; margin: 0 auto; padding: 0 16px 40px; }
.cover {
  position: relative;
  height: 190px;
  background-color: var(--c-secondary, #1e3a8a);
  background-size: cover;
  background-position: center;
}
.cover-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.05), rgba(0,0,0,0.45)); }
.profile-head.simple { margin-top: -40px; }
.card {
  background: var(--c-surface, #fff);
  border: 1px solid var(--c-border, #e2e8f0);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
}
.card h2 {
  font-size: 15px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--c-muted, #64748b); margin: 0 0 10px;
  border-left: 4px solid var(--c-primary, #1d4ed8); padding-left: 8px;
}
.social { list-style: none; margin: 0; padding: 0; }
.social li { margin-bottom: 10px; }
.social a {
  display: block; padding: 12px 14px; min-height: 48px;
  background: var(--c-primary, #1d4ed8); color: #fff;
  text-decoration: none; border-radius: 12px; font-weight: 600;
}
.social a:active { transform: scale(0.98); }
.empty { text-align: center; color: var(--c-muted, #64748b); padding: 40px 16px; }
footer { text-align: center; color: var(--c-muted, #64748b); font-size: 13px; padding: 20px 16px; }

@media (min-width: 640px) {
  .profile { padding-top: 48px; }
  .cover { height: 240px; }
}