/* ============================================================
   HIO Challenge — Main Stylesheet
   Aesthetic: Premium golf / dark luxury / editorial
   Fonts: Playfair Display + DM Sans
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ---- Reset & Variables ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:      #0a0c0e;
  --dark:       #111418;
  --surface:    #181c21;
  --border:     #2a2f36;
  --border-lt:  #343b44;
  --gold:       #c9a84c;
  --gold-lt:    #e8c876;
  --gold-dim:   #8a6e30;
  --white:      #f4f1ec;
  --muted:      #8a9099;
  --danger:     #e05252;
  --success:    #4caf7d;
  --info:       #4a9fd4;
  --radius:     8px;
  --radius-lg:  14px;
  --transition: 0.2s ease;
  --shadow:     0 4px 24px rgba(0,0,0,0.45);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }
p  { color: #b8bec6; }

a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-lt); }

.gold   { color: var(--gold); }
.muted  { color: var(--muted); font-size: 0.875rem; }
.danger { color: var(--danger); }
.success{ color: var(--success); }

/* ---- Layout ---- */
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.container--narrow { max-width: 680px; }
.container--wide   { max-width: 1300px; }

/* ---- Navigation ---- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,12,14,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}
.nav__inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav__logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem; font-weight: 700;
  color: var(--white); letter-spacing: -0.03em;
}
.nav__logo span { color: var(--gold); }
.nav__links { display: flex; gap: 2rem; }
.nav__links a { color: var(--muted); font-size: 0.9rem; font-weight: 500; }
.nav__links a:hover { color: var(--white); }

/* ---- Hero ---- */
.hero {
  position: relative; overflow: hidden;
  padding: 7rem 1.5rem 5rem;
  text-align: center;
  background: radial-gradient(ellipse 70% 60% at 50% -10%, rgba(201,168,76,0.12), transparent);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a84c' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}
.hero__eyebrow {
  display: inline-block;
  background: rgba(201,168,76,0.12);
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero__prize {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin: 0.5rem 0 1rem;
  text-shadow: 0 0 60px rgba(201,168,76,0.3);
}
.hero__sub {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem; font-weight: 600;
  border-radius: var(--radius);
  border: none; cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn--gold {
  background: var(--gold);
  color: var(--black);
}
.btn--gold:hover {
  background: var(--gold-lt);
  color: var(--black);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.4);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-lt);
}
.btn--outline:hover { border-color: var(--gold); color: var(--gold); }
.btn--danger  { background: var(--danger); color: #fff; }
.btn--success { background: var(--success); color: #fff; }
.btn--sm { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn--lg { padding: 1rem 2.5rem; font-size: 1.05rem; border-radius: 10px; }
.btn--full { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }

/* ---- Cards ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.card--gold-top { border-top: 3px solid var(--gold); }
.card--hover {
  transition: border-color var(--transition), transform var(--transition);
  cursor: pointer;
}
.card--hover:hover { border-color: var(--gold-dim); transform: translateY(-2px); }

/* ---- Form elements ---- */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.85rem; font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.form-control {
  width: 100%;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  padding: 0.7rem 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-control:focus {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}
.form-control::placeholder { color: #4a5260; }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }
.form-hint { font-size: 0.8rem; color: var(--muted); margin-top: 0.3rem; }
.form-error { font-size: 0.82rem; color: var(--danger); margin-top: 0.3rem; }

/* ---- Upload zone ---- */
.upload-zone {
  border: 2px dashed var(--border-lt);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: border-color var(--transition), background var(--transition);
  cursor: pointer;
}
.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--gold-dim);
  background: rgba(201,168,76,0.05);
}
.upload-zone__icon { font-size: 2.5rem; margin-bottom: 0.75rem; opacity: 0.6; }
.upload-zone input[type="file"] { display: none; }

/* ---- Badge / Status pills ---- */
.badge {
  display: inline-block;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
}
.badge--pending  { background: rgba(138,144,153,0.15); color: var(--muted); }
.badge--open     { background: rgba(76,175,125,0.15);  color: var(--success); }
.badge--closed   { background: rgba(224,82,82,0.15);   color: var(--danger); }
.badge--gold     { background: rgba(201,168,76,0.15);  color: var(--gold); }
.badge--info     { background: rgba(74,159,212,0.15);  color: var(--info); }

/* ---- Table ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
thead th {
  text-align: left; padding: 0.65rem 1rem;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  color: #c8cdd4;
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(255,255,255,0.02); }

/* ---- Alert ---- */
.alert {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
  border-left: 3px solid;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}
.alert--success { background: rgba(76,175,125,0.1);  border-color: var(--success); color: var(--success); }
.alert--danger  { background: rgba(224,82,82,0.1);   border-color: var(--danger);  color: var(--danger); }
.alert--info    { background: rgba(74,159,212,0.1);  border-color: var(--info);    color: var(--info); }
.alert--gold    { background: rgba(201,168,76,0.1);  border-color: var(--gold);    color: var(--gold); }

/* ---- Steps / Progress ---- */
.steps { display: flex; gap: 0; margin-bottom: 2.5rem; }
.step {
  flex: 1; position: relative;
  display: flex; flex-direction: column; align-items: center;
  gap: 0.5rem; padding: 0 0.5rem;
}
.step::before {
  content: '';
  position: absolute; top: 18px; left: calc(50% + 18px);
  right: calc(-50% + 18px);
  height: 1px; background: var(--border);
}
.step:last-child::before { display: none; }
.step__num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--dark); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 600; color: var(--muted);
  position: relative; z-index: 1;
}
.step.active .step__num  { background: var(--gold); border-color: var(--gold); color: var(--black); }
.step.done   .step__num  { background: var(--success); border-color: var(--success); color: #fff; }
.step__label { font-size: 0.75rem; color: var(--muted); text-align: center; }
.step.active .step__label { color: var(--white); }

/* ---- Stat cards ---- */
.stat { padding: 1.25rem 1.5rem; }
.stat__label { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.4rem; }
.stat__value { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 700; color: var(--white); }
.stat__value.gold { color: var(--gold); }
.stat__sub { font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }

/* ---- QR display ---- */
.qr-box {
  display: inline-block;
  background: #fff; border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow);
}

/* ---- Divider ---- */
.divider {
  border: none; border-top: 1px solid var(--border);
  margin: 1.75rem 0;
}

/* ---- Utilities ---- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .steps { flex-direction: column; gap: 0.75rem; }
  .step::before { display: none; }
}

/* ---- Admin sidebar layout ---- */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; flex-shrink: 0;
  background: var(--dark);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar__logo {
  padding: 0 1.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem; color: var(--white);
}
.sidebar__logo span { color: var(--gold); }
.sidebar__nav a {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem; color: var(--muted);
  transition: all var(--transition);
  border-left: 3px solid transparent;
}
.sidebar__nav a:hover  { color: var(--white); background: rgba(255,255,255,0.03); }
.sidebar__nav a.active { color: var(--gold); border-left-color: var(--gold); background: rgba(201,168,76,0.05); }
.admin-main { flex: 1; padding: 2rem; overflow-x: hidden; }
.admin-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

/* ---- Loading spinner ---- */
.spinner {
  width: 22px; height: 22px;
  border: 2px solid rgba(201,168,76,0.3);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.4s ease forwards; }