:root {
  --color-bg: #ffffff;
  --color-surface: #f7f9fa;
  --color-surface-alt: #eef2f3;
  --color-border: #d9e0e2;
  --color-border-strong: #b5c0c4;
  --color-text: #132022;
  --color-text-soft: #4a5a5e;
  --color-text-fade: #758589;
  --color-primary: #2f6b2f;
  --color-primary-hover: #285b28;
  --color-primary-soft: #dbe7db;
  --color-accent: #1d4f91;
  --color-danger: #b9352f;
  --color-warning: #d39d17;
  --color-success: #2f6b2f;
  --focus-ring: 0 0 0 3px rgba(29, 79, 145, 0.35);

  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px -4px rgba(0, 0, 0, 0.12);

  --font-heading: "Oswald", "Arial Narrow", Arial, sans-serif; 
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;

  --fs-xs: clamp(0.78rem, 0.7vw, 0.82rem);
  --fs-sm: clamp(0.9rem, 0.85vw, 0.95rem);
  --fs-base: clamp(1.05rem, 1vw, 1.15rem);
  --fs-md: clamp(1.25rem, 1.4vw, 1.4rem);
  --fs-lg: clamp(1.6rem, 2vw, 1.9rem);
  --fs-xl: clamp(2.2rem, 3vw, 2.6rem);

  --line-tight: 1.18;
  --line-normal: 1.45;
  --line-relaxed: 1.65;

  --space-2xs: 0.25rem;
  --space-xs: 0.4rem;
  --space-sm: 0.65rem;
  --space: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --container: 1180px;
  --transition: 160ms cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-steps {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  margin: var(--space-lg) 0 var(--space-md);
  position: relative;
}
.progress-steps .step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  min-width: 110px;
  position: relative;
}
.progress-steps .step .circle {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: all var(--transition);
}
.progress-steps .step .label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  color: var(--color-text-fade);
  text-align: center;
}
.progress-steps .step.active .circle {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.progress-steps .step.active .label {
  color: var(--color-primary);
}
.progress-steps .step.completed .circle {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}
.progress-steps .step.completed .label {
  color: var(--color-success);
}
.progress-steps .step.locked .circle {
  opacity: 0.55;
}
.progress-steps .step.locked .label {
  opacity: 0.5;
}
.progress-steps .step .lock {
  font-size: 0.9rem;
  position: absolute;
  top: -6px;
  right: -6px;
}
.progress-steps .admin-link {
  margin-left: auto;
}
.progress-steps .admin-nav-link {
  font-size: var(--fs-xs);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  text-decoration: none;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition);
}
.progress-steps .admin-nav-link:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.back-link { display:inline-flex; align-items:center; gap:.35rem; text-decoration:none; color: var(--color-accent); font-weight:600; }
.back-link:hover { color: var(--color-primary-hover); }

.idea-item {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  padding: var(--space);
  border-radius: var(--radius);
  margin-bottom: var(--space);
}
.idea-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.4rem;
}
.idea-title {
  font-weight: 500;
  font-size: var(--fs-md);
  letter-spacing: 0.6px;
}
.idea-category {
  background: var(--color-primary);
  color: #fff;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  letter-spacing: 0.5px;
  font-weight: 600;
  text-transform: uppercase;
}
.idea-description {
  font-size: var(--fs-base);
  line-height: var(--line-relaxed);
  white-space: pre-wrap;
  letter-spacing: 0.25px;
}
.idea-meta {
  margin-top: 0.65rem;
}
.idea-date {
  font-size: var(--fs-xs);
  color: var(--color-text-fade);
  letter-spacing: 0.5px;
}

* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--line-relaxed);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.2px;
}
img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}
button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}


h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: var(--line-tight);
  margin: 0 0 0.6em;
  text-rendering: optimizeLegibility;
}
h1 {
  font-size: var(--fs-xl);
  font-weight: 600;
  letter-spacing: 1px;
}
h2 {
  font-size: var(--fs-lg);
  letter-spacing: 0.8px;
}
h3 {
  font-size: var(--fs-md);
  letter-spacing: 0.5px;
}
h4 {
  font-size: var(--fs-base);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
p {
  margin: 0 0 1em;
}
small {
  font-size: var(--fs-xs);
}
.lead {
  font-size: var(--fs-md);
  font-weight: 400;
  color: var(--color-text-soft);
  line-height: var(--line-relaxed);
}
.muted {
  color: var(--color-text-fade);
}
strong {
  font-weight: 600;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: 0 var(--space);
}
header.site-header {
  padding: calc(var(--space-lg) * 1.1) 0 var(--space-md);
  text-align: left;
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
header.site-header h1 {
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}
header.site-header p {
  color: var(--color-text-soft);
  font-size: var(--fs-md);
  margin: 0;
}
header.site-header {
  position: relative;
}
.logo-wrap {
  position: relative;
  width: clamp(140px, 22vw, 205px);
  aspect-ratio: 205/123;
  display: flex;
  align-items: center;
  justify-content: center;
}
.header-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.site-logo {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.nav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0 var(--space);
  justify-content: center;
}
.nav-tab {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-soft);
  padding: 0.75rem 1.35rem;
  font-size: var(--fs-sm);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition);
  letter-spacing: 0.5px;
}
.nav-tab:hover {
  background: var(--color-surface-alt);
}
.nav-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.tab-content {
  display: none;
  animation: fade 0.35s ease;
}
.tab-content.active {
  display: block;
}
@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-group {
  margin-bottom: var(--space);
}
.form-group label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-fade);
  margin-bottom: 0.4rem;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: var(--fs-base);
  transition: border-color var(--transition), box-shadow var(--transition),
    background var(--transition);
  letter-spacing: 0.3px;
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: var(--focus-ring);
  outline: none;
}
.form-group small {
  color: var(--color-text-fade);
  font-size: var(--fs-xs);
}

.button,
.btn-primary,
.btn-secondary,
.btn-danger {
  --btn-bg: var(--color-primary);
  --btn-color: #fff;
  --btn-border: var(--btn-bg);
  font: inherit;
  font-size: var(--fs-base);
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-color);
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.1;
  transition: background var(--transition), box-shadow var(--transition),
    transform var(--transition);
  letter-spacing: 0.4px;
}
.button:hover,
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary:hover { background: #173e78; }
.btn-danger:hover { background: #9e2d28; }
.button:active {
  transform: translateY(1px);
}
.button:focus-visible {
  box-shadow: var(--focus-ring);
}
.btn-secondary {
  --btn-bg: var(--color-accent);
}
.btn-danger {
  --btn-bg: var(--color-danger);
}

.confetti-container { position:fixed; inset:0; pointer-events:none; overflow:hidden; z-index:1500; }
.confetti-piece { position:absolute; width:10px; height:14px; top:-20px; opacity:0; animation: confetti-fall linear forwards; will-change: transform, opacity; }
@keyframes confetti-fall { 
  0% { transform: translateY(-20px) rotate(0deg); opacity:0; }
  5% { opacity:1; }
  100% { transform: translateY(110vh) rotate(720deg); opacity:0; }
}

.submission-pulse { animation: submissionPulse 1s ease; }
@keyframes submissionPulse { 0% { transform:scale(.98); box-shadow:0 0 0 0 rgba(47,107,47,.4);} 60% { transform:scale(1.02); box-shadow:0 0 0 18px rgba(47,107,47,0);} 100% { transform:scale(1); } }
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-primary);
}
.btn-ghost:hover {
  background: var(--color-primary-soft);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: calc(var(--space-lg) * 1.15);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space);
}
.card h2 {
  margin-top: 0;
  font-size: var(--fs-lg);
  color: var(--color-primary);
}
.card:hover {
  box-shadow: var(--shadow);
}

.stat-card {
  background: linear-gradient(#2f6b2f, #285b28);
  color: #fff;
  padding: var(--space);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.stat-card h3 {
  margin: 0 0 0.4rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.5px;
  opacity: 0.85;
}
.stat-card span {
  font-size: var(--fs-lg);
  font-weight: 600;
}

.admin-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space);
}
.admin-stats {
  display: grid;
  gap: var(--space);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: var(--space-lg);
}
.admin-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--space-lg);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space);
  z-index: 1000;
}
.modal.active {
  display: flex;
}
.modal-content {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: calc(var(--space-lg) * 1.1);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow-lg);
}
.modal-content h3 {
  margin-top: 0;
  color: var(--color-primary);
}
.verification-step {
  margin-bottom: var(--space);
}

#message-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 1200;
  max-width: 320px;
}
.message {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-success);
  padding: 1rem 1.1rem;
  font-size: var(--fs-base);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  animation: slideIn 0.35s ease;
  letter-spacing: 0.3px;
}
.message.error {
  border-left-color: var(--color-danger);
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--space);
}
.filter-chips { display:flex; flex-wrap:wrap; gap:.5rem; }
.chip-btn { 
  background:#fff; 
  color: var(--color-text-soft);
  border:1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding:.55rem .9rem;
  font-weight:500;
  letter-spacing:.2px;
  cursor:pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.chip-btn:hover { background: var(--color-surface-alt); border-color: var(--color-border-strong); color: var(--color-text); }
.chip-btn.active { background: var(--color-primary); color:#fff; border-color: var(--color-primary); box-shadow: var(--shadow-sm); }

.hidden {
  display: none !important;
}
.text-center {
  text-align: center;
}

.radio-row { display:flex; flex-wrap:wrap; gap:1.1rem; }
.radio-chip { display:inline-flex; position:relative; cursor:pointer; user-select:none; }
.radio-chip input { position:absolute; opacity:0; pointer-events:none; }
.radio-chip span {
  display:inline-block;
  padding:.7rem 1.05rem;
  border:1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background:#fff;
  color: var(--color-text-soft);
  font-weight: 500;
  letter-spacing: .2px;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.radio-chip:hover span {
  border-color: var(--color-primary);
  background: var(--color-surface);
  color: var(--color-text);
}
.radio-chip:active span { transform: translateY(1px); }
.radio-chip input:focus-visible + span { box-shadow: var(--focus-ring); }
.radio-chip input:checked + span {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: none;
}

@media (max-width: 780px) {
  header.site-header h1 {
    font-size: 1.9rem;
  }
  .card {
    padding: calc(var(--space-md) * 1.2);
  }
  .idea-meta {
    flex-direction: column;
    align-items: flex-start;
  }
  .admin-header {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 480px) {
  header.site-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .logo-wrap {
    margin: 0.5rem 0 0 auto;
    width: clamp(140px, 55vw, 205px);
  }
  .nav-tab {
    flex: 1;
    text-align: center;
  }
  .modal-content {
    padding: var(--space);
  }
}