:root {
  --shadow: 0 24px 80px rgba(1, 11, 58, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 195, 247, 0.16), transparent 32%),
    radial-gradient(circle at bottom right, rgba(130, 228, 198, 0.12), transparent 28%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1));
}

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 48px auto;
}

.page-stack {
  display: grid;
  gap: 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 48px;
  box-shadow: var(--shadow);
  padding: 40px;
  backdrop-filter: blur(18px);
  text-align: center;
}
.card > div {
  text-align: center;
}

h1, h2, p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-align: center;
}

h2 {
  font-size: clamp(1rem, 4vw, 1.8rem);
}

p {
  color: var(--muted);
  line-height: 1.6;
 
}
.card > div p {
   max-width: 600px;
   margin: auto;
}

.grid {
  display: grid;
  gap: 18px;
}

.two-col {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

textarea,
input,
select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--input-line, rgba(255, 255, 255, 0.1));
  background: var(--input-bg);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
    text-align: center;
}
select {
  appearance: none;
  height: 48px;
  border-radius: 16px;
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-image:url("data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4gPHN2ZyBpZD0iTGFhZ18xIiBkYXRhLW5hbWU9IkxhYWcgMSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB2aWV3Qm94PSIwIDAgMzUyLjA1IDIwOC4wNSI+IDxwYXRoIGQ9Ik0zNDIuNjgsNTQuNjhjMTIuNS0xMi41LDEyLjUtMzIuOCwwLTQ1LjNzLTMyLjgtMTIuNS00NS4zLDBsLTEyMS4zLDEyMS4zTDU0LjY4LDkuMzhDNDIuMTgtMy4xMiwyMS44OC0zLjEyLDkuMzgsOS4zOHMtMTIuNSwzMi44LDAsNDUuM2wxNDQsMTQ0YzEyLjUsMTIuNSwzMi44LDEyLjUsNDUuMywwTDM0Mi42OCw1NC42OFoiLz4gPC9zdmc+");
  background-size: 12px auto;
}
html[data-theme="dark"] select {
  background-image:url("data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4gPHN2ZyBpZD0iTGFhZ18xIiBkYXRhLW5hbWU9IkxhYWcgMSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB2aWV3Qm94PSIwIDAgMzUyLjA1IDIwOC4wNSI+IDxwYXRoIGQ9Ik0zNDIuNjgsNTQuNjhjMTIuNS0xMi41LDEyLjUtMzIuOCwwLTQ1LjNzLTMyLjgtMTIuNS00NS4zLDBsLTEyMS4zLDEyMS4zTDU0LjY4LDkuMzhDNDIuMTgtMy4xMiwyMS44OC0zLjEyLDkuMzgsOS4zOHMtMTIuNSwzMi44LDAsNDUuM2wxNDQsMTQ0YzEyLjUsMTIuNSwzMi44LDEyLjUsNDUuMywwTDM0Mi42OCw1NC42OFoiIHN0eWxlPSJmaWxsOiAjZmZmOyIvPiA8L3N2Zz4=")
}

textarea {
  min-height: 180px;
  resize: vertical;
}
#mail-card {
  text-align: left;
}
#mail-card textarea,
#mail-card input,
#mail-card select {
 font-weight: 400;
 text-align: left;
}

.actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

button,
.button {
  border: 0;
  border-radius: 100px;
  padding: 14px 26px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--button-text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

button.secondary,
.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}
html[data-theme="light"] {
  button.secondary,
  .button.secondary {
    border: 1px solid rgba(1, 11, 58, 0.136)
  }
}

button.danger {
  background: linear-gradient(135deg, #ff7b7b, var(--danger));
  color: white;
}

.hero {
  display: grid;
  gap: 28px;
}

.badge {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 7px 12px;
  border: 1px solid rgba(130, 228, 198, 0.3);
  color: var(--accent-2);
  background: rgba(130, 228, 198, 0.08);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.notice {

  border-radius: 18px;
  padding: 16px 15px 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--soft-bg-strong);
  color: var(--text);
  font-size: 13px;
  text-align: center;
}

.secret-box {
  text-align: center;
  border-radius: 20px;
  padding: 22px;
  border: 1px solid rgba(79, 195, 247, 0.24);
  cursor: pointer;
  background:
  linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)),
  var(--secret-bg);
}

.secret-tools {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

.secret-text {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 84px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.3;
  white-space: pre-wrap;
  word-break: break-word;
  
}

.blurred {
  filter: blur(14px);
  user-select: none;
  cursor: pointer;
}

.meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.link-box {
  font-size: clamp(1rem, 2vw, 1.35rem);
  overflow-wrap: anywhere;
  font-family: "IBM Plex Mono", monospace;
}

.small {
  font-size: 0.95rem;
}

.brand-lockup {
  display: grid;
  gap: 12px;
  justify-items: center;
  text-align: center;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 25px 20px 25px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--soft-bg);
}

.brand-logo svg,
.brand-logo img {
  width: min(220px, 52vw);
  height: auto;
}

.theme-logo {
  display: none;
}

html[data-theme="light"] .theme-logo-light {
  display: inline-flex;
}

html[data-theme="dark"] .theme-logo-dark {
  display: inline-flex;
}

.brand-name {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toolbar {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  justify-content: flex-end;
}

.theme-toggle {
  background: var(--soft-bg);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 20px, 920px);
    margin: 20px auto;
  }

  .card {
    padding: 20px;
    border-radius: 20px;
  }
}