/* =============================================
   GRINDPOINT — Global Stylesheet
   Dark mode, Nigerian hustle energy
   ============================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0a0a0b;
  --bg2:      #111114;
  --bg3:      #18181d;
  --bg4:      #1f1f26;
  --accent:   #f5a623;
  --accent2:  #ff6b35;
  --success:  #22c55e;
  --danger:   #ef4444;
  --warning:  #f59e0b;
  --text:     #f0eee8;
  --muted:    #888880;
  --border:   rgba(255,255,255,0.08);
  --card:     rgba(255,255,255,0.04);
  --radius:   14px;
  --radius-sm:8px;
  --shadow:   0 4px 24px rgba(0,0,0,0.4);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Typography ─────────────────────────────── */
h1,h2,h3,h4,h5 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.85; }

p { color: var(--muted); line-height: 1.7; }

/* ── Layout ─────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 5%; }
.container-sm { max-width: 560px; margin: 0 auto; padding: 0 5%; }

/* ── Navigation ─────────────────────────────── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 5%;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10,10,11,0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  color: var(--text);
}
.logo span { color: var(--accent); }

.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.9rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }

.nav-mobile-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.15s;
  text-decoration: none;
}
.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--accent); color: #0a0a0b; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.25); background: var(--card); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 0.4rem 1rem; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; border-radius: var(--radius); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ── Cards ───────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s;
}
.card:hover { border-color: rgba(245,166,35,0.25); }
.card-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.4rem;
}

/* ── Forms ───────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 0.4rem;
  letter-spacing: 0.3px;
}
.form-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--muted); }
select.form-input { cursor: pointer; }

/* ── Alerts ──────────────────────────────────── */
.alert {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: none;
}
.alert.show { display: block; }
.alert-error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.alert-info { background: rgba(245,166,35,0.1); border: 1px solid rgba(245,166,35,0.25); color: var(--accent); }

/* ── Badges ──────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.7rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
}
.badge-accent { background: rgba(245,166,35,0.12); color: var(--accent); border: 1px solid rgba(245,166,35,0.25); }
.badge-success { background: rgba(34,197,94,0.12); color: var(--success); }
.badge-danger { background: rgba(239,68,68,0.12); color: var(--danger); }
.badge-muted { background: var(--card); color: var(--muted); }

/* ── Points display ──────────────────────────── */
.points-big {
  font-family: 'Syne', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.points-label { font-size: 0.82rem; color: var(--muted); margin-top: 0.3rem; }

/* ── Tables ──────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
thead { background: var(--bg3); }
thead th { padding: 0.9rem 1rem; text-align: left; font-size: 0.78rem; color: var(--muted); font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase; }
tbody tr { border-top: 1px solid var(--border); transition: background 0.15s; }
tbody tr:hover { background: var(--card); }
tbody td { padding: 0.85rem 1rem; color: var(--text); }

/* ── Section styles ──────────────────────────── */
.section { padding: 4rem 0; }
.section-label { font-size: 0.75rem; font-weight: 500; color: var(--accent); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.6rem; }
.section-title { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 0.75rem; }
.section-sub { color: var(--muted); max-width: 480px; margin-bottom: 2.5rem; }

/* ── Divider ─────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* ── Loader ──────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(245,166,35,0.3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.page-loader {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
  transition: opacity 0.3s;
}
.page-loader.hidden { opacity: 0; pointer-events: none; }

/* ── Toast notifications ─────────────────────── */
#toast-container {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.toast {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text);
  min-width: 260px;
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.toast.success { border-color: rgba(34,197,94,0.4); }
.toast.error { border-color: rgba(239,68,68,0.4); }
@keyframes slideIn { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: translateX(0); } }

/* ── Stats grid ──────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.stat-num { font-family: 'Syne', sans-serif; font-size: 1.8rem; font-weight: 800; color: var(--accent); }
.stat-lbl { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }

/* ── Auth pages ──────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 5%;
}
.auth-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  max-width: 440px;
}
.auth-logo { text-align: center; margin-bottom: 2rem; }
.auth-title { font-family: 'Syne', sans-serif; font-size: 1.6rem; font-weight: 800; margin-bottom: 0.4rem; }
.auth-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }

/* ── Dashboard sidebar layout ────────────────── */
.dash-layout {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 240px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 50;
  transition: transform 0.3s;
}
.sidebar-logo { padding: 0 1.5rem 1.5rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.sidebar-nav { list-style: none; }
.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.2s, background 0.2s;
  border-radius: 0;
}
.sidebar-nav li a:hover { color: var(--text); background: var(--card); }
.sidebar-nav li a.active { color: var(--accent); background: rgba(245,166,35,0.08); border-right: 2px solid var(--accent); }
.sidebar-nav li a .nav-icon { font-size: 1.1rem; width: 20px; text-align: center; }

.dash-main {
  margin-left: 240px;
  flex: 1;
  padding: 2rem;
  max-width: calc(100% - 240px);
}
.dash-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
.dash-header-bar h1 { font-size: 1.5rem; }

/* ── Task cards ──────────────────────────────── */
.tasks-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 1.25rem; }
.task-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s;
}
.task-card:hover { border-color: rgba(245,166,35,0.3); }
.task-card.completed { opacity: 0.5; pointer-events: none; }
.task-icon { font-size: 2rem; }
.task-title { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1rem; color: var(--text); }
.task-desc { font-size: 0.85rem; color: var(--muted); flex: 1; }
.task-pts { color: var(--accent); font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.1rem; }
.task-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 0.5rem; }

/* ── Leaderboard ─────────────────────────────── */
.lb-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
}
.lb-rank { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.1rem; width: 32px; color: var(--muted); }
.lb-rank.gold { color: #fbbf24; }
.lb-rank.silver { color: #94a3b8; }
.lb-rank.bronze { color: #c2895a; }
.lb-name { flex: 1; font-weight: 500; }
.lb-pts { font-family: 'Syne', sans-serif; font-weight: 800; color: var(--accent); }

/* ── Footer ──────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 4rem;
}
footer p { font-size: 0.85rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--muted); font-size: 0.85rem; }

/* ── Animations ──────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.5s ease both; }
.fade-up-2 { animation: fadeUp 0.5s 0.1s ease both; }
.fade-up-3 { animation: fadeUp 0.5s 0.2s ease both; }

/* ── Responsive ──────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg2); border-bottom: 1px solid var(--border); padding: 1.5rem 5%; gap: 1.25rem; }
  .nav-mobile-toggle { display: block; }

  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .dash-main { margin-left: 0; max-width: 100%; }

  .tasks-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }

  footer { flex-direction: column; text-align: center; }
}