/* =========================
   Base
   ========================= */

:root {
  --bg-0: #0b1220;
  --bg-1: #111a2e;

  --line: rgba(255, 255, 255, 0.10);

  --text: #edf3e9;
  --muted: rgba(237, 243, 233, 0.75);

  --navy: #2c395d;
  --navy-2: #35496b;
  --teal: #678e8c;
  --mint: #a7d9a6;
  --sun: #dee1a6;

  --primary: var(--teal);
  --primary-2: var(--mint);

  --radius: 14px;

  --fs-base: 17px;
  --fs-sm: 14px;
  --fs-h1: 28px;
  --fs-h2: 22px;
  --fs-h3: 18px;
}

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

html,
body {
  height: 100%;
}

html {
  background: #070b14;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: var(--fs-base);
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(1100px 420px at 30% 10%, rgba(222, 225, 166, 0.45), transparent 55%),
    radial-gradient(900px 400px at 55% 0%, rgba(167, 217, 166, 0.35), transparent 55%),
    radial-gradient(900px 520px at 5% 15%, rgba(103, 142, 140, 0.35), transparent 55%),
    linear-gradient(180deg, var(--bg-0), #070b14 75%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}

a {
  color: var(--sun);
  text-decoration: none;
  transition: opacity 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover {
  opacity: 0.9;
  text-decoration: underline;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.center-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 26, 46, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.hr {
  margin: 16px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

label {
  display: block;
  margin: 12px 0 6px;
  font-size: var(--fs-sm);
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  outline: none;
  background: rgba(11, 18, 32, 0.78);
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(222, 225, 166, 0.55);
  box-shadow: 0 0 0 4px rgba(103, 142, 140, 0.18);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(17, 26, 46, 0.75);
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  opacity: 0.95;
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  border: 1px solid rgba(222, 225, 166, 0.35);
  background: linear-gradient(135deg, rgba(103, 142, 140, 0.95), rgba(167, 217, 166, 0.85));
  color: #08101c;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 18, 32, 0.55);
  color: var(--muted);
  font-size: 13px;
}

.msg-ok {
  margin: 10px 0;
  padding: 10px;
  border: 1px solid rgba(167, 217, 166, 0.35);
  border-radius: 12px;
  background: rgba(167, 217, 166, 0.12);
}

.msg-err {
  margin: 10px 0;
  padding: 10px;
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: 12px;
  background: rgba(239, 68, 68, 0.14);
}

.hint {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

.logo-preview {
  display: block;
  width: auto;
  height: auto;
  max-width: 300px;
  max-height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, 0.35);
  object-fit: contain;
  object-position: center;
}