:root {
  --bg: #f7f9fb;
  --text: #222222;
  --muted-text: #3a4664;
  --header-bg: #1a2236;
  --footer-bg: #1a2236;
  --primary: #2e8b57;
  --primary-contrast: #ffffff;
  --card-bg: #ffffff;
  --border: rgba(0,0,0,0.08);
  --input-bg: #ffffff;
  --input-border: #e0e6ed;
}

[data-theme="dark"] {
  --bg: #0f1422;
  --text: #e6e9ef;
  --muted-text: #c3cad8;
  --header-bg: #101727;
  --footer-bg: #101727;
  --primary: #2e8b57;
  --primary-contrast: #ffffff;
  --card-bg: #141b2d;
  --border: rgba(255,255,255,0.12);
  --input-bg: #0f1422;
  --input-border: rgba(255,255,255,0.18);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', 'Noto Sans', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* Sticky header base */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--header-bg);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: transform 0.35s ease;
}

.logo-placeholder {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-btn {
    background: none;
    color: #fff;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s, border-bottom 0.2s;
    margin-right: 0.25rem;
}
.nav-btn:hover { color: var(--primary); border-bottom: 2px solid var(--primary); background: none; }

.account-btn {
    background: #fff;
    color: var(--header-bg);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    margin-left: 0.5rem;
}
.account-btn:hover { background: #e0e6ed; }

/* Theme toggle */
.theme-toggle {
  position: absolute;
  right: 3.25rem;
  top: 0.85rem;
  z-index: 1002;
}
.theme-toggle button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.theme-toggle button:hover { border-color: var(--primary); }

@media (min-width: 801px) {
  .theme-toggle { position: static; right: auto; top: auto; display: inline-flex; }
}

@media (max-width: 800px) {
  .theme-toggle {
    position: absolute;
    right: 4.5rem; /* Position it next to the hamburger menu */
    top: 0.85rem;
    z-index: 1002;
  }
}

.main-footer {
    text-align: center;
    padding: 1rem 0;
    background: var(--footer-bg);
    color: #fff;
    position: fixed;
    width: 100%;
    bottom: 0;
    left: 0;
    font-size: 0.95rem;
}

button { font-family: inherit; outline: none; }

.logo-link { text-decoration: none; color: inherit; display: flex; align-items: center; }
.logo-link:hover { opacity: 0.85; cursor: pointer; }

/* Global mobile hamburger and dropdown nav */
.hamburger_menu{ display:none; }
.mobile_nav{ display:none; }

@media (max-width: 800px){
  .main-header { position: sticky; top: 0; }
  .main-nav { display: none; }
  .hamburger_menu{
    display:flex;
    flex-direction:column;
    width:32px;
    cursor:pointer;
    position: absolute;
    right: .75rem;
    top: 0.8rem;
    z-index: 1001;
  }
  .hamburger_menu span{
    background: #fff;
    border-radius:8px;
    height:4px;
    margin: 4px 0;
    transition: .4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
    margin-left: auto;
  }
  .hamburger_menu .layer1{ width:50%; }
  .hamburger_menu .layer2{ width:100%; }
  .hamburger_menu .layer3{ width:75%; }
  .hamburger_menu.hamburger_menu_closing .layer1{ transform-origin:bottom; transform:rotatez(45deg) translate(-6px,12px); }
  .hamburger_menu.hamburger_menu_closing .layer2{ transform-origin:top; transform:rotatez(-45deg); }
  .hamburger_menu.hamburger_menu_closing .layer3{ transform-origin:bottom; width:50%; transform: translate(-3px,-6px) rotatez(45deg); }

  .mobile_nav{
    display:block;
    position: sticky; /* stick to header */
    top: 4.75rem;
    right: 0; left: 0;
    margin: 0 1rem;
    background: rgba(26,34,54,0.98);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    overflow: hidden;
    max-height: 0;
    padding: 0;
    transition: max-height 0.8s ease, padding 0.8s;
    z-index: 1000;
  }
  .mobile_nav.open{ max-height: 20rem; padding: 0.5rem 0; }
  .mobile_nav a{ display: block; color: #fff; text-decoration: none; padding: 0.9rem 1rem; font-weight: 500; }
  .mobile_nav a + a{ border-top: 1px solid rgba(255,255,255,0.08); }
}

/* Generic dark mode overrides for shared components across pages */
/* Cards and containers */
.dashboard-card,
.sports-container,
.calculator-container,
.results-container,
.parlay-breakdown,
.rr-breakdown,
.form-section {
  background: var(--card-bg);
  color: var(--text);
}

/* Text tones */
.dashboard-card p,
.sports-description,
.calculator-description { color: var(--muted-text); }

/* Inputs */
input, select, textarea {
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--input-border);
}

/* Improve default select padding for dropdown arrow space */
select {
  padding-right: 2.2rem !important;
}

/* Ensure consistent typography for form controls */
input, select, textarea {
  font-family: inherit;
}

/* Calculator nav */
.calculator-nav { background: var(--header-bg); }
.calc-nav-btn {
  color: #fff;
  border-color: var(--primary);
}
.calc-nav-btn:hover, .calc-nav-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
} 

/* Footer adjustments */
.main-footer p { margin: 0.2rem 0; }
.main-footer .footer-disclaimer { font-size: 0.85rem; opacity: 0.9; }