/* Alapok */
:root {
  --bg: #0b1020;
  --bg-soft: #121a31;
  --panel: rgba(18, 26, 49, 0.88);
  --panel-strong: rgba(24, 35, 66, 0.98);
  --border: rgba(255, 255, 255, 0.1);
  --text: #eef3ff;
  --muted: #aab7d6;
  --accent: #6ea8fe;
  --accent-strong: #8f7dff;
  --success: #52d6a7;
  --warning: #ffcc66;
  --danger: #ff7b91;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(143, 125, 255, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(110, 168, 254, 0.18), transparent 24%),
    linear-gradient(180deg, #08101f 0%, #0b1020 100%);
  min-height: 100vh;
  line-height: 1.55;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent 85%);
}

header,
main {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

header {
  padding: 44px 0 20px;
}

header h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

header p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

main {
  display: grid;
  gap: 22px;
  padding-bottom: 56px;
}

section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 24px;
}

section h2 {
  margin: 0 0 16px;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

section h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

section p,
section li {
  color: var(--muted);
}

ul {
  margin: 0;
  padding-left: 20px;
}

/* Kiemelt fix adatok */
#beepitett-adatok ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  padding-left: 0;
  list-style: none;
}

#beepitett-adatok li {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
}

#beepitett-adatok strong {
  color: var(--text);
}

/* Formok */
form {
  display: grid;
  gap: 18px;
}

fieldset {
  margin: 0;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  display: grid;
  gap: 14px;
}

legend {
  padding: 0 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.01em;
}

#general-form fieldset,
#candidate-count-form fieldset,
#external-votes-form fieldset,
#district-block-form > fieldset {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: start;
}

#district-block-form fieldset fieldset {
  grid-column: 1 / -1;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 600;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  background: rgba(7, 12, 26, 0.72);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

input::placeholder {
  color: #8190b5;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(110, 168, 254, 0.16);
  transform: translateY(-1px);
}

/* Gombok */
button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

button:hover {
  transform: translateY(-2px);
}

button:active {
  transform: translateY(0);
}

#add-block-btn,
#calculate-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  box-shadow: 0 12px 24px rgba(111, 132, 255, 0.22);
}

button[type="reset"] {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

#actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* EVK blokkok lista */
#blocks-list {
  display: grid;
  gap: 12px;
}

#blocks-list > * {
  margin: 0;
}

.block-card {
  background: var(--panel-strong);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.block-card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.block-card p {
  margin: 6px 0;
}

.block-card .meta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.block-card .tag {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(110, 168, 254, 0.14);
  border: 1px solid rgba(110, 168, 254, 0.24);
  color: #dce9ff;
  font-size: 0.88rem;
}

/* Eredménydoboz */
#results-output {
  min-height: 120px;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(255,255,255,0.16);
  background: rgba(255, 255, 255, 0.03);
  padding: 18px;
}

#results-output p {
  margin: 0;
}

/* Segédosztályok a későbbi JS-hez */
.input-error {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 4px rgba(255, 123, 145, 0.14) !important;
}

.validation-message {
  margin-top: 6px;
  font-size: 0.88rem;
  color: var(--warning);
}

.success-text {
  color: var(--success);
}

.error-text {
  color: var(--danger);
}

/* Reszponzív */
@media (max-width: 900px) {
  section {
    padding: 20px;
  }

  #general-form fieldset,
  #candidate-count-form fieldset,
  #external-votes-form fieldset,
  #district-block-form > fieldset,
  #district-block-form fieldset fieldset {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  body {
    line-height: 1.45;
  }

  header {
    padding-top: 28px;
  }

  section {
    border-radius: 18px;
    padding: 16px;
  }

  #general-form fieldset,
  #candidate-count-form fieldset,
  #external-votes-form fieldset,
  #district-block-form > fieldset,
  #district-block-form fieldset fieldset,
  #beepitett-adatok ul {
    grid-template-columns: 1fr;
  }

  #actions {
    flex-direction: column;
    align-items: stretch;
  }

  button {
    width: 100%;
  }
}