/* =============================================
   Season Predictions — Design System
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg:          #07111d;
  --bg-card:     #0c1a2e;
  --bg-raised:   #112240;
  --bg-input:    #081525;
  --border:      rgba(255,255,255,0.07);
  --border-hover:rgba(255,255,255,0.14);
  --green:       #00e676;
  --green-dim:   rgba(0,230,118,0.12);
  --green-glow:  rgba(0,230,118,0.25);
  --gold:        #fbbf24;
  --silver:      #94a3b8;
  --bronze:      #d97706;
  --red:         #f43f5e;
  --blue:        #38bdf8;
  --text:        #e2eaf4;
  --text-muted:  #4d6a85;
  --text-sub:    #8ba4bc;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 8px 40px rgba(0,0,0,0.5);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.35);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 15px;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-raised); border-radius: 3px; }

a { color: var(--green); text-decoration: none; transition: opacity 0.15s; }
a:hover { opacity: 0.8; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: none;
  transition: all 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--green);
  color: #021a0e;
  font-weight: 700;
  box-shadow: 0 0 0 0 var(--green-glow);
}
.btn-primary:hover {
  background: #1aff85;
  box-shadow: 0 4px 24px var(--green-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-sub);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.04);
}

.btn-danger { background: var(--red); color: #fff; }
.btn-sm  { padding: 7px 16px; font-size: 0.8rem; border-radius: 7px; }
.btn-lg  { padding: 14px 32px; font-size: 1rem; border-radius: 10px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ---- Site Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 300;
  border-bottom: 1px solid var(--border);
  background: rgba(7,17,29,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.logo-icon { font-size: 1.35em; line-height: 1; }
.logo-text strong { color: var(--green); }
.logo:hover { opacity: 1; }

.header-nav { display: flex; align-items: center; gap: 8px; }

/* ---- Landing: Hero ---- */
.hero {
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(0,230,118,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
}
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-dim);
  border: 1px solid rgba(0,230,118,0.25);
  color: var(--green);
  padding: 5px 13px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--green-glow); }
  50%       { opacity: 0.7; box-shadow: 0 0 0 4px transparent; }
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  background: linear-gradient(150deg, #ffffff 30%, #90b8d8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  color: var(--text-sub);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 460px;
}

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

/* ---- Mock leaderboard widget ---- */
.mock-leaderboard {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.mock-leaderboard::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), #00b0ff, var(--green));
  background-size: 200%;
  animation: shimmer 3s linear infinite;
}
@keyframes shimmer {
  0% { background-position: 200% center; }
  100% { background-position: -200% center; }
}
.mock-header {
  padding: 16px 20px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.mock-header-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}
.mock-header-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(0,230,118,0.2);
  padding: 2px 9px;
  border-radius: 10px;
}
.mock-row {
  display: flex;
  align-items: center;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  gap: 13px;
  transition: background 0.15s;
}
.mock-row:last-child { border-bottom: none; }
.mock-row:hover { background: rgba(255,255,255,0.02); }
.mock-row.rank-top { background: rgba(251,191,36,0.04); }

.mock-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
}
.mock-row.rank-top .mock-avatar { background: rgba(251,191,36,0.15); color: var(--gold); }
.mock-row:not(.rank-top) .mock-avatar { background: var(--bg-raised); color: var(--text-muted); }

.mock-rank-num {
  width: 20px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
}
.mock-row.rank-top .mock-rank-num { color: var(--gold); }

.mock-info { flex: 1; min-width: 0; }
.mock-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mock-detail {
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.mock-pts {
  font-size: 1rem;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.02em;
}
.mock-row:not(.rank-top) .mock-pts { color: var(--text-sub); font-weight: 700; font-size: 0.9rem; }

/* ---- How it works ---- */
.how-it-works {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}
.section-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--green);
  margin-bottom: 12px;
}
.section-heading {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 56px;
  color: var(--text);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), var(--border), transparent);
  z-index: 0;
}

.step {
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--green);
  font-weight: 800;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
}
.step-num::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--green-dim);
  z-index: -1;
}
.step h3 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
  color: var(--text);
}
.step p {
  font-size: 0.84rem;
  color: var(--text-sub);
  line-height: 1.65;
  text-align: center;
}

/* ---- Competitions ---- */
.competitions {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}
.comp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.comp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all 0.2s;
  cursor: pointer;
}
.comp-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.comp-card.active {
  border-color: rgba(0,230,118,0.3);
  box-shadow: 0 0 0 1px rgba(0,230,118,0.1) inset;
}
.comp-flag { font-size: 2.4em; line-height: 1; }
.comp-info h3 { font-size: 0.93rem; font-weight: 700; margin-bottom: 3px; color: var(--text); }
.comp-info p  { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 9px; }

.comp-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
}
.comp-badge.live {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(0,230,118,0.25);
}
.comp-badge.live::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s infinite;
}
.comp-badge.soon {
  background: rgba(255,255,255,0.05);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ---- CTA section ---- */
.cta {
  padding: 96px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,230,118,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.cta p { color: var(--text-sub); margin-bottom: 32px; font-size: 1rem; }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--text-sub); }

/* ---- Auth Pages ---- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  position: relative;
}
.auth-wrap::before {
  content: '';
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0,230,118,0.05) 0%, transparent 65%);
  pointer-events: none;
}
.auth-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 36px;
  letter-spacing: -0.01em;
}
.auth-logo strong { color: var(--green); }
.auth-logo:hover { opacity: 0.85; }

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
  position: relative;
}
.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,230,118,0.4), transparent);
}
.auth-card h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 6px;
}
.auth-card .sub {
  color: var(--text-sub);
  font-size: 0.875rem;
  margin-bottom: 32px;
  line-height: 1.5;
}

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.form-group input,
.form-group select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 15px;
  color: var(--text);
  font-size: 0.93rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus {
  border-color: rgba(0,230,118,0.5);
  box-shadow: 0 0 0 3px rgba(0,230,118,0.08);
}
.form-group input::placeholder { color: var(--text-muted); }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-card); }

.form-hint {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.5;
}
.form-divider {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin: 22px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}
.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.alert {
  padding: 12px 15px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 20px;
  line-height: 1.5;
}
.alert-error   { background: rgba(244,63,94,0.1); border: 1px solid rgba(244,63,94,0.25); color: #fca5a5; }
.alert-success { background: var(--green-dim); border: 1px solid rgba(0,230,118,0.25); color: var(--green); }

/* ---- App layout ---- */
.app-layout { display: flex; flex-direction: column; min-height: 100vh; }

.app-nav {
  background: rgba(12,26,46,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  position: sticky;
  top: 60px;
  z-index: 200;
  padding: 0 24px;
}
.app-nav::-webkit-scrollbar { display: none; }
.app-nav a {
  padding: 14px 16px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  letter-spacing: 0.01em;
}
.app-nav a:hover { color: var(--text-sub); opacity: 1; }
.app-nav a.active { color: var(--text); border-color: var(--green); }

.app-main { flex: 1; padding: 36px 0 60px; }

.page-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 4px;
}
.page-sub { color: var(--text-sub); font-size: 0.875rem; margin-bottom: 32px; }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  background: var(--bg-raised);
  padding: 12px 18px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.section { margin-bottom: 40px; }
.section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* ---- Tables ---- */
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--bg-raised);
  padding: 10px 18px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  vertical-align: middle;
  color: var(--text);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.018); }

/* ---- Pills ---- */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
}
.pill-green  { background: var(--green-dim); color: var(--green); }
.pill-blue   { background: rgba(56,189,248,0.1); color: var(--blue); }
.pill-red    { background: rgba(244,63,94,0.1); color: #fca5a5; }
.pill-grey   { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.pill-gold   { background: rgba(251,191,36,0.1); color: var(--gold); }

/* ---- Rank colours ---- */
.rank-1 { color: var(--gold); font-weight: 700; }
.rank-2 { color: var(--silver); font-weight: 700; }
.rank-3 { color: var(--bronze); font-weight: 700; }
.pts    { color: var(--green); font-weight: 700; font-size: 1.05em; }

/* ---- Empty states ---- */
.empty-state {
  padding: 56px 24px;
  text-align: center;
  color: var(--text-muted);
}
.empty-state-icon { font-size: 2.5em; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 0.875rem; line-height: 1.6; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 460px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 32px; }
  .steps::before { display: none; }
  .comp-grid { grid-template-columns: 1fr; }
}
@media (max-width: 580px) {
  .steps { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .auth-card { padding: 28px 22px; }
  .hero-visual { display: none; }
}