:root {
  --bg-base: #02040a;
  --bg-panel: rgba(6, 12, 26, 0.82);
  --bg-panel-strong: rgba(8, 16, 34, 0.92);
  --line: rgba(111, 246, 255, 0.18);
  --line-strong: rgba(111, 246, 255, 0.36);
  --text-primary: #f3fbff;
  --text-secondary: rgba(219, 242, 255, 0.78);
  --text-muted: rgba(183, 213, 235, 0.58);
  --cyan: #6ff6ff;
  --accent: #4eb7ff;
  --radius-lg: 24px;
  --radius-md: 18px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-primary);
  background: linear-gradient(180deg, #010309 0%, #030713 40%, #02050d 100%);
  font-family: "Segoe UI Variable Text", "Bahnschrift", "Trebuchet MS", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1100px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 36px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 20px;
  border: 1px solid rgba(111, 246, 255, 0.16);
  background: rgba(6, 12, 26, 0.7);
  backdrop-filter: blur(16px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 50px;
  border-radius: 16px;
  border: 1px solid rgba(111, 246, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
}

.brand-logo {
  width: 76px;
  height: auto;
  display: block;
  transform: translate(-1px, -8px);
  filter: drop-shadow(0 0 16px rgba(111, 246, 255, 0.2));
}

.page-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.page-nav a {
  padding: 6px 14px;
  border-radius: 14px;
  border: 1px solid rgba(111, 246, 255, 0.14);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  transition: all 0.2s ease;
}

.page-nav a:hover {
  border-color: var(--line-strong);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.page-main {
  padding: 42px 0 20px;
  display: grid;
  gap: 28px;
}

.feedback-hero {
  padding: 28px 28px 10px;
}

.kicker {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(111, 246, 255, 0.2);
  background: rgba(111, 246, 255, 0.08);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feedback-hero h1 {
  margin: 18px 0 10px;
  font-size: clamp(38px, 5vw, 64px);
  letter-spacing: -0.04em;
}

.subtitle {
  max-width: 640px;
  color: var(--text-secondary);
  font-size: 17px;
}

.feedback-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 22px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-panel);
  box-shadow: var(--shadow);
}

.feedback-form,
.feedback-preview {
  background: var(--bg-panel-strong);
  border-radius: var(--radius-md);
  border: 1px solid rgba(111, 246, 255, 0.12);
  padding: 22px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

label,
.label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(111, 246, 255, 0.16);
  background: rgba(5, 10, 20, 0.7);
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 2px rgba(111, 246, 255, 0.18);
}

.rating {
  display: flex;
  gap: 6px;
}

.star {
  position: relative;
  cursor: pointer;
  font-size: 24px;
  color: rgba(111, 246, 255, 0.2);
  transition: color 0.2s ease, transform 0.2s ease;
}

.star input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.star.active,
.star:hover,
.star:hover ~ .star {
  color: rgba(111, 246, 255, 0.28);
}

.star.is-on {
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(111, 246, 255, 0.35);
}

.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  border-radius: 14px;
  padding: 10px 18px;
  font-weight: 700;
  border: 1px solid rgba(111, 246, 255, 0.25);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: linear-gradient(120deg, rgba(111, 246, 255, 0.95), rgba(78, 183, 255, 0.9));
  color: #04121f;
  box-shadow: 0 18px 38px rgba(78, 183, 255, 0.22);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.form-status {
  margin: 14px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#clearFeedback {
  border: 1px solid rgba(255, 120, 120, 0.4);
  background: rgba(255, 120, 120, 0.1);
  color: #ffb3b3;
  padding: 6px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.preview-list {
  display: grid;
  gap: 12px;
}

.preview-item {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(111, 246, 255, 0.12);
  background: rgba(4, 10, 20, 0.72);
}

.preview-item strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.preview-item span {
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.preview-item p {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.page-footer {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 980px) {
  .feedback-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .page-nav {
    justify-content: center;
  }

  .form-actions {
    flex-direction: column;
  }

  .page-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}