/* ===== LumiNya · 联系我 — 简洁名片风 ===== */

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

:root {
  --bg: linear-gradient(160deg, #f6fbff 0%, #eef7f2 100%);
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --border: rgba(20, 40, 60, 0.08);
  --text: #22303c;
  --text-soft: #5a6b7c;
  --text-faint: #93a3b0;
  --chip-bg: rgba(20, 40, 60, 0.05);
  --chip-bg-hover: rgba(20, 40, 60, 0.09);
  --shadow: 0 16px 40px -18px rgba(30, 60, 90, 0.25);
  --radius: 18px;
  --radius-sm: 12px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  --toast-bg: #22303c;
  --toast-text: #f4f8fc;
}

[data-theme="dark"] {
  --bg: linear-gradient(160deg, #14181d 0%, #1c242c 100%);
  --surface: rgba(255, 255, 255, 0.06);
  --surface-solid: #202730;
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef3f8;
  --text-soft: #a5b3c2;
  --text-faint: #6c7b8b;
  --chip-bg: rgba(255, 255, 255, 0.07);
  --chip-bg-hover: rgba(255, 255, 255, 0.13);
  --shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.55);
  --toast-bg: #eef3f8;
  --toast-text: #1a222c;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1.1rem 4rem;
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s ease, color 0.3s ease;
}

/* ===== Theme toggle (floating) ===== */
.theme-toggle {
  position: fixed;
  top: 1.1rem;
  right: 1.1rem;
  z-index: 50;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(10px);
  color: var(--text-soft);
  font-size: 1.2rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.theme-toggle:hover {
  color: var(--text);
  border-color: var(--text-soft);
  transform: rotate(12deg) scale(1.06);
}

/* ===== Shell ===== */
.shell {
  width: 100%;
  max-width: 460px;
  position: relative;
  animation: fadeInUp 0.6s ease-out 0.05s both;
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Profile ===== */
.profile {
  text-align: center;
  margin-bottom: 1.8rem;
  padding-top: 0.6rem;
}
.avatar {
  width: 88px;
  height: 88px;
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  background: linear-gradient(135deg, #6B9FD4 0%, #75BFA7 100%);
  box-shadow: 0 14px 30px -12px rgba(107, 159, 212, 0.5);
  margin: 0 auto 0.9rem;
  animation: avatarFloat 4s ease-in-out infinite;
}
@keyframes avatarFloat {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: 0 14px 30px -12px rgba(107, 159, 212, 0.45);
  }
  50% {
    transform: translateY(-5px);
    box-shadow: 0 22px 38px -12px rgba(107, 159, 212, 0.62);
  }
}
.profile-name {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.profile-bio {
  margin-top: 0.35rem;
  color: var(--text-soft);
  font-size: 0.95rem;
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
}
.profile-loc {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.65rem;
  font-size: 0.82rem;
  color: var(--text-faint);
  background: var(--chip-bg);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
}

/* ===== Cards ===== */
.cards {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.card {
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 1rem 1.05rem 1.05rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    border-color 0.3s ease, background 0.3s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.card-main {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.card-icon {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}
.card-body {
  min-width: 0;
}
.card-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.card-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  word-break: break-all;
}
.card-note {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-faint);
}

/* ===== Chips / action buttons ===== */
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}
.chip {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: var(--text-soft);
  border-radius: 999px;
  padding: 0.42rem 0.95rem;
  font-size: 0.84rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
}
.chip:hover {
  background: var(--chip-bg-hover);
  color: var(--text);
  transform: translateY(-1px);
}
.chip:active {
  transform: scale(0.97);
}
.chip--primary {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: color-mix(in srgb, var(--accent) 75%, var(--text));
}
.chip--primary:hover {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: color-mix(in srgb, var(--accent) 90%, var(--text));
}
.chip--accent {
  background: var(--accent);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 8px 18px -8px color-mix(in srgb, var(--accent) 70%, transparent);
}
.chip--accent:hover {
  background: color-mix(in srgb, var(--accent) 88%, #000);
  color: #ffffff;
}
.chip--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-soft);
}
.chip--ghost:hover {
  color: var(--text);
}
.chip--disabled,
.chip--disabled:hover {
  background: var(--chip-bg);
  border-color: var(--border);
  color: var(--text-faint);
  cursor: not-allowed;
  transform: none;
}
.card .chip-toggle {
  margin-top: 0.7rem;
}
.card--placeholder .card-value {
  color: var(--text-faint);
  font-weight: 600;
}
.card--placeholder .card-icon {
  opacity: 0.7;
}

/* ===== Steps (roadmap) ===== */
.card-steps {
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--border);
  display: grid;
  gap: 0.5rem;
  animation: fadeInUp 0.3s ease both;
}
.card-steps[hidden] {
  display: none;
}
.step {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.86rem;
  color: var(--text-soft);
}
.step-num {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: color-mix(in srgb, var(--accent) 80%, var(--text));
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.05rem;
}

/* ===== Card hint (fallback message) ===== */
.card-hint {
  margin-top: 0.7rem;
  font-size: 0.82rem;
  color: var(--text-soft);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  animation: fadeInUp 0.3s ease both;
}
.card-hint[hidden] {
  display: none;
}

/* ===== Footer ===== */
.footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-faint);
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.6rem;
  transform: translateX(-50%) translateY(16px);
  background: var(--toast-bg);
  color: var(--toast-text);
  padding: 0.7rem 1.2rem;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s ease;
  z-index: 100;
  max-width: 82vw;
  text-align: center;
}
.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 420px) {
  body {
    padding: 1.4rem 0.9rem 3.2rem;
  }
  .card {
    padding: 0.95rem;
  }
  .card-icon {
    width: 42px;
    height: 42px;
    font-size: 1.35rem;
  }
}