:root {
  color-scheme: dark;
  --bg: #06142b;
  --bg-2: #0b1f3a;
  --accent: #00d9ff;
  --orange: #e65100;
  --text: #ffffff;
  --muted: #94a3b8;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.15);
  --line-strong: rgba(255, 255, 255, 0.25);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Segoe UI", Tahoma, sans-serif;
  background:
    radial-gradient(1100px 520px at 8% -10%, rgba(0, 217, 255, 0.18), transparent 55%),
    radial-gradient(900px 480px at 100% 0%, rgba(123, 92, 255, 0.22), transparent 46%),
    linear-gradient(180deg, var(--bg), var(--bg-2) 42%, var(--bg));
}

button, input, select { font: inherit; color: inherit; }

.wrap {
  width: min(980px, calc(100% - 28px));
  margin: 28px auto 48px;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 28px;
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.28);
}

.panel { padding: 22px 22px 26px; }

h1 {
  margin: 0 0 18px;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
}

.who {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
}

.filters { display: grid; gap: 10px; }

.field {
  position: relative;
  display: block;
}

.field .chevron {
  position: absolute;
  left: 16px;
  top: 18px;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 9px solid var(--accent);
  pointer-events: none;
}

select, .title-input, .sign-input {
  width: 100%;
  height: 46px;
  border-radius: 8px;
  border: 1px solid rgba(0, 217, 255, 0.85);
  background: var(--glass-strong);
  padding: 0 16px 0 40px;
  text-align: center;
  outline: none;
}

select:disabled, .title-input:disabled { opacity: 0.55; }

select:focus, .title-input:focus, .sign-input:focus {
  box-shadow: 0 0 0 2px rgba(0, 217, 255, 0.25);
}

.sign-card {
  width: min(420px, 100%);
  margin: 12vh auto;
  padding: 22px 18px 18px;
}

.sign-card h1 { margin-bottom: 8px; }

.hint {
  color: var(--muted);
  text-align: center;
  margin: 0 0 16px;
  font-size: 13px;
}

.sign-label {
  display: block;
  margin: 10px 0 6px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
}

.sign-input {
  padding: 0 12px;
  text-align: left;
  border-color: var(--line-strong);
}

.sign-btn, .btn, .linkish {
  border: 0;
  border-radius: 6px;
  background: var(--orange);
  color: white;
  cursor: pointer;
  font-weight: 650;
}

.sign-btn {
  width: 100%;
  height: 42px;
  margin-top: 16px;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 10px;
}

#add-cc {
  background: transparent;
  color: white;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

.rows { display: grid; gap: 10px; }

.row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.title-input { text-align: left; padding-left: 12px; }

.title-text {
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(0, 217, 255, 0.85);
  border-radius: 8px;
  background: var(--glass-strong);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.file-btn { display: inline-flex; }

.btn, .linkish {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 10px;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.4; cursor: default; }

.ghost {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: white;
}

.error {
  color: #ff8a80;
  min-height: 1.2em;
  margin: 10px 0 0;
  font-size: 13px;
}

.empty {
  color: var(--muted);
  margin: 8px 0 0;
}

@media (max-width: 800px) {
  .row { grid-template-columns: 1fr; }
  .actions { justify-content: flex-start; }
}