/* ==========================================================================
   Shared theme
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sen:wght@400;600;700;800&display=swap');

:root {
  --font-sans: 'Sen', system-ui, sans-serif;
  --color-bg: #10120f;
  --color-surface: #1a201a;
  --color-border: #2f362d;
  --color-text: #e8ece8;
  --color-text-muted: #88a08b;
  --color-accent: #63f178;
  --color-accent-hover: #81f885;
  --color-accent-glow: rgba(99, 241, 111, 0.35);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.35s;
}

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

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
}

/* ==========================================================================
   Card layout
   ========================================================================== */

.center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90%;
  max-width: 520px;
  max-height: 70vh;
  margin: 0;
  padding: 2.5rem 2rem;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translate(-50%, -50%);
  scroll-behavior: smooth;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  animation: cardIn 0.6s var(--ease-out) both;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-surface);
}

.center::-webkit-scrollbar {
  width: 8px;
}

.center::-webkit-scrollbar-track {
  background: var(--color-surface);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.center::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border: 2px solid var(--color-surface);
  border-radius: 10px;
}

.center::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

.center center {
  display: block;
  text-align: center;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translate(-50%, -48%) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* ==========================================================================
   Text
   ========================================================================== */

h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h3 {
  margin: 0;
}

/* ==========================================================================
   Forms and controls
   ========================================================================== */

form {
  display: block;
  margin-top: 1.5rem;
}

input {
  display: block;
  width: 100%;
  max-width: 460px;
  margin: 0 auto 0.75rem;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--duration-normal),
    box-shadow var(--duration-normal),
    max-width var(--duration-normal) var(--ease-out);
}

input::placeholder {
  color: var(--color-text-muted);
}

input:hover {
  border-color: rgba(118, 241, 99, 0.4);
}

input:focus {
  outline: none;
  max-width: 100%;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

input[type="submit"] {
  max-width: 140px;
  margin-top: 0.5rem;
  padding: 0.7rem 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  cursor: pointer;
  background: var(--color-accent);
  border: none;
  box-shadow: 0 2px 12px var(--color-accent-glow);
  transition:
    background var(--duration-fast),
    transform var(--duration-fast),
    box-shadow var(--duration-fast);
}

input[type="submit"]:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

input[type="submit"]:active {
  transform: translateY(0);
  box-shadow: 0 2px 12px var(--color-accent-glow);
}

.button-group {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin: 0.5rem auto 1rem;
}

button {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    background var(--duration-fast),
    border-color var(--duration-fast),
    transform var(--duration-fast),
    box-shadow var(--duration-fast);
}

button:hover {
  color: var(--color-accent);
  background: var(--color-bg);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

/* ==========================================================================
   Footer links
   ========================================================================== */

.footer-links {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  display: flex;
  gap: 1rem;
  white-space: nowrap;
  transform: translateX(-50%);
}

.footer-links a {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition:
    color var(--duration-fast),
    background var(--duration-fast),
    transform var(--duration-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.12);
  transform: translateY(-2px);
}

.footer-links a:active {
  transform: translateY(0);
}

/* ==========================================================================
   Poll vote page
   ========================================================================== */

.poll-options {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0 1.25rem;
}

.poll-option {
  display: grid;
  grid-template-columns: 1.15rem auto;
  align-items: center;
  column-gap: 1rem;
  width: max-content;
}

.poll-option input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  display: grid;
  place-content: center;
  width: 1.15rem;
  height: 1.15rem;
  max-width: 1.15rem;
  margin: 0;
  padding: 0;
  cursor: pointer;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  box-shadow: none;
  transition:
    border-color var(--duration-fast),
    box-shadow var(--duration-fast),
    background var(--duration-fast),
    transform var(--duration-fast);
}

.poll-option input[type="radio"]::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-accent);
  transform: scale(0);
  transition: transform var(--duration-fast) var(--ease-out);
}

.poll-option input[type="radio"]:hover {
  border-color: var(--color-accent-hover);
}

.poll-option input[type="radio"]:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.poll-option input[type="radio"]:checked {
  border-color: var(--color-accent);
  background: rgba(99, 102, 241, 0.12);
  animation: radioSelect var(--duration-normal) var(--ease-out);
}

.poll-option input[type="radio"]:checked::before {
  transform: scale(1);
}

.poll-option label {
  display: block;
  cursor: pointer;
}

@keyframes radioSelect {
  0% {
    transform: scale(0.9);
  }
  60% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}

/* ==========================================================================
   Poll results page
   ========================================================================== */

.poll-title {
  margin: 0 0 0.4rem;
}

.poll-summary {
  margin: 0 0 1.1rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  width: 100%;
  max-width: 460px;
  margin: 0 auto 1rem;
}

.result-item {
  padding: 0.75rem 0.85rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.result-option {
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
}

.result-count {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.result-bar {
  width: 100%;
  height: 0.6rem;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
}

.result-fill {
  height: 100%;
  min-width: 0;
  background: var(--color-accent);
  border-radius: inherit;
  box-shadow: 0 0 12px var(--color-accent-glow);
  transition: width var(--duration-normal) var(--ease-out);
}

.result-percent {
  margin-top: 0.4rem;
  font-size: 0.82rem;
  text-align: right;
  color: var(--color-text-muted);
}