/* =====================================================================
   Doctor Prep Portal — base theme
   Change the CSS variables below to re-theme the whole app.
   ===================================================================== */
:root{
  --brand-primary: #0e7c86;      /* teal — medical/academic */
  --brand-primary-dark: #0a5c64;
  --brand-accent: #e8734a;       /* warm coral accent for CTAs/highlights */
  --brand-success: #1f9d55;
  --brand-danger: #d64545;
  --brand-warning: #e0a52c;
  --bg-app: #f6f9fb;
  --bg-card: #ffffff;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --border-soft: #e5edf1;
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow-soft: 0 2px 10px rgba(16, 42, 48, 0.06);
  --shadow-hover: 0 8px 24px rgba(16, 42, 48, 0.10);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body{
  font-family: var(--font-main);
  background: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
}

/* ---- Navbar ---- */
.app-navbar{
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}
.app-navbar .navbar-brand{
  color: var(--brand-primary-dark);
  font-weight: 700;
}
.app-navbar .navbar-brand i{ color: var(--brand-accent); }
.app-navbar .nav-link{
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.92rem;
}
.app-navbar .nav-link:hover{ color: var(--brand-primary); }

.app-main{ max-width: 1200px; margin: 0 auto; }

/* ---- Cards ---- */
.card, .dpp-card{
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: box-shadow .15s ease, transform .15s ease;
}
.dpp-card--hover:hover{ box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.card-body{ padding: 1.25rem 1.4rem; }

/* ---- Buttons ---- */
.btn-primary{
  background: var(--brand-primary);
  border-color: var(--brand-primary);
}
.btn-primary:hover{
  background: var(--brand-primary-dark);
  border-color: var(--brand-primary-dark);
}
.btn-accent{
  background: var(--brand-accent);
  border-color: var(--brand-accent);
  color: #fff;
}
.btn-accent:hover{ filter: brightness(0.94); color: #fff; }

/* ---- Badges ---- */
.badge-subject{
  background: rgba(14,124,134,.10);
  color: var(--brand-primary-dark);
  font-weight: 600;
  border-radius: 999px;
  padding: .35em .8em;
}
.badge-status-not-started{ background:#eef2f7; color:#475569; }
.badge-status-in-progress{ background:#fff4e0; color:#9a6a00; }
.badge-status-completed{ background:#e6f7ec; color:#177a3d; }
.badge-status-expired{ background:#fdeaea; color:#b13333; }

/* ---- Progress bars ---- */
.progress{ height: 10px; border-radius: 999px; background: #eef2f7; }
.progress-bar{ background: var(--brand-primary); }

/* ---- Countdown ---- */
.countdown{
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--brand-primary-dark);
  letter-spacing: 1px;
}
.countdown.text-danger{ color: var(--brand-danger) !important; }

/* ---- Score card ---- */
.score-circle{
  width: 96px; height: 96px; border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  background: conic-gradient(var(--brand-primary) calc(var(--pct,0) * 1%), #eef2f7 0);
  font-weight: 700; font-size: 1.1rem; color: var(--brand-primary-dark);
  margin: 0 auto;
}
.score-circle span.inner{
  background: var(--bg-card); width: 74px; height: 74px; border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
}

/* ---- Empty / loading states ---- */
.empty-state{
  text-align: center; padding: 3rem 1rem; color: var(--text-muted);
}
.empty-state i{ font-size: 2.2rem; margin-bottom: .75rem; color: var(--brand-primary); opacity:.6; }

/* ---- Auth pages ---- */
.auth-wrapper{
  min-height: 100vh; display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
  padding: 1.5rem;
}
.auth-card{
  background: var(--bg-card); border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0,0,0,.18);
  padding: 2.25rem; width: 100%; max-width: 400px;
}
.auth-card .brand-icon{ color: var(--brand-primary); font-size: 2.2rem; }

/* ---- Footer ---- */
.app-footer{ color: var(--text-muted); }

/* ---- Utility ---- */
.rounded-xl{ border-radius: var(--radius-lg) !important; }
.text-brand{ color: var(--brand-primary) !important; }