:root {
  --green: #10b981;
  --green-dark: #059669;
  /* Light theme by default */
  --text: #111827;
  --mute: #6b7280;
  --bg: #ffffff;
  --card-bg: #ffffff;
  --border: #e5e7eb;
  --navbar-bg: #ffffff;
  --hover-bg: rgba(0, 0, 0, 0.06);
}

/* Admin dark theme and User dark theme overrides */
body.admin-theme, body.dark-theme {
  --text: #f3f4f6;
  --mute: #9ca3af;
  --bg: #0f172a;
  --card-bg: #1e293b;
  --border: #334155;
  --navbar-bg: rgba(15, 23, 42, 0.9);
  --hover-bg: rgba(255, 255, 255, 0.1);
}

body.admin-theme .nav-icon, body.dark-theme .nav-icon {
  color: #ffffff;
}

body.admin-theme .nav-icon svg, body.dark-theme .nav-icon svg {
  fill: currentColor;
}

/* Fix select options in dark theme */
body.admin-theme select option, body.dark-theme select option {
  background-color: var(--card-bg);
  color: var(--text);
}

* {
  box-sizing: border-box;
}
html {
  height: 100%;
}
body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial,
    sans-serif;
  color: var(--text);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.navbar {
  position: sticky;
  top: 0;
  background: var(--navbar-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  color: var(--text);
  z-index: 1000;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}
.brand {
  font-weight: 700;
  letter-spacing: 0.4px;
  color: #fff;
  text-decoration: none;
  font-size: 1.05rem;
}
.brand-logo { height: 56px; width: auto; display: block; }

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
}
.nav-icon { background: transparent; border: 0; color: #111827; font-size: 24px; cursor: pointer; padding: 8px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: all 0.2s; }
.nav-icon:hover { background-color: var(--hover-bg); color: var(--green); }

main {
  padding-top: 28px;
  flex: 1;
}

.hero {
  padding: 60px 0 40px;
  background: transparent;
  text-align: center;
}
.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin: 10px 0;
  color: var(--text);
  text-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}
.hero-sub {
  color: var(--mute);
  font-weight: 500;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}
.hero-logo { height: 72px; width: auto; display: none; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media (max-width: 920px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 620px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  background: var(--card-bg);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  border-color: var(--green);
}
.card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  color: var(--text);
}
.card p { margin: 0 0 16px; color: var(--mute); line-height: 1.5; }
.btn { display: inline-block; background: var(--green); color: #fff; text-decoration: none; padding: 10px 14px; border-radius: 8px; font-weight: 600; border: none; cursor: pointer; transition: all 0.2s; }
.btn:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-primary { display:inline-flex; align-items:center; gap:6px; background: var(--green); color:#fff; border:none; padding:6px 10px; border-radius:6px; font-weight:600; font-size:.85rem; cursor:pointer; transition:all .2s; }
.btn-primary:hover { background: var(--green-dark); }
.btn-outline { display:inline-flex; align-items:center; gap:6px; background:transparent; border:1px solid var(--border); color: var(--text); padding:6px 10px; border-radius:6px; font-weight:600; font-size:.85rem; cursor:pointer; transition:all .2s; }
.btn-outline:hover { background: var(--hover-bg); }
.btn-outline.success { border-color:#10b981; color:#10b981; }
.btn-outline.danger { border-color:#ef4444; color:#ef4444; }
.btn-outline.gray { border-color:#64748b; color:#64748b; }

.site-footer { margin-top: 36px; border-top: 1px solid var(--border); padding: 18px 0; color: var(--mute); }
.site-footer { animation: slideUp .5s ease-out; }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.footer-inner { display:flex; align-items:center; justify-content:space-between; }
.footer-right a { color: var(--mute); text-decoration:none; margin-left:10px; }
.footer-right a:hover { color: var(--green); }

.modal { display:none; position:fixed; inset:0; z-index:1100; }
.modal[aria-hidden="false"] { display:block; }
.modal-backdrop { position:absolute; inset:0; background:rgba(0,0,0,.7); backdrop-filter: blur(4px); }
.modal-dialog { position:relative; max-width:560px; margin:10% auto; background:var(--card-bg); padding:18px; border-radius:12px; box-shadow:0 10px 30px rgba(0,0,0,.5); border: 1px solid var(--border); color: var(--text); }
.modal-dialog h3 { margin:0 0 8px; color: #fff; }
.tabs { display:flex; gap:8px; margin:10px 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.modal-dialog { animation: fadeIn .25s ease-out; }
@keyframes fadeIn { from { transform: translateY(10px); opacity:0; } to { transform: translateY(0); opacity:1; } }
#modal-notice .modal-dialog { position:fixed; bottom:0; left:50%; transform:translateX(-50%); margin:0; width:min(560px,92%); border-radius:12px 12px 0 0; }
.toast-container { position:fixed; left:20px; bottom:20px; display:grid; gap:10px; z-index:1400; }
.toast { background:var(--card-bg); color: var(--text); border: 1px solid var(--border); border-left:4px solid var(--green); border-radius:8px; box-shadow:0 10px 15px -3px rgba(0,0,0,.3); padding:12px 14px; display:flex; align-items:center; gap:10px; animation: slideUp .4s ease-out; }
.toast.success { border-left-color: #10b981; }
.toast.error { border-left-color: #ef4444; }
.btn.loading { position:relative; pointer-events:none; opacity:.8; }
.btn.loading::after { content:""; position:absolute; right:10px; width:16px; height:16px; border-radius:50%; border:2px solid #fff; border-top-color:transparent; animation:spin .8s linear infinite; }

.cookie-banner {
  position: fixed;
  left: 20px;
  bottom: 20px;
  right: auto;
  width: min(400px, calc(100% - 40px));
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--green);
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  z-index: 1200;
  display: none;
  animation: slideUp .5s ease-out;
  color: var(--text);
}
.cookie-banner[aria-hidden="false"] { display: block; }
.cookie-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
}
.cookie-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}
.cookie-actions .btn { flex: 1; text-align: center; }
.cookie-actions a { color: var(--mute); font-size: 0.9rem; }
/* Table Improvements */
th {
    background-color: rgba(255,255,255,0.03);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--mute);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
tr { border-bottom: 1px solid var(--border); transition: background 0.2s; }
tr:last-child { border-bottom: none; }
tr:hover { background-color: rgba(255,255,255,0.02); }

.btn.btn-sm { padding:8px 10px; }
.btn-icon { background:transparent; border:none; cursor:pointer; padding:6px; border-radius:50%; transition:background .2s; display:inline-flex; align-items:center; justify-content:center; }
.btn-icon:hover { background:rgba(255,255,255,0.1); }

/* Responsive Adjustments */
@media (max-width: 600px) {
    .container {
        width: 95%;
    }
    
    .nav-inner {
        flex-wrap: wrap;
        gap: 10px;
        padding: 10px 0;
    }
    
    .brand {
        font-size: 1rem;
    }
    
    .nav-actions {
        width: 100%;
        justify-content: flex-end;
        margin-left: 0;
        margin-top: 5px;
        border-top: 1px solid rgba(0,0,0,0.05);
        padding-top: 10px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .card {
        padding: 18px;
    }
    
    .modal-dialog {
        width: 95%;
        margin: 20px auto;
    }
    
    /* Optimize table for small screens */
    th, td {
        padding: 8px !important;
        font-size: 0.85rem !important;
    }

    .toast-container {
        left: 10px;
        right: 10px;
        bottom: 10px;
        width: auto;
    }
    
    .toast {
        width: 100%;
        justify-content: space-between;
    }
}

.form { display: grid; gap: 12px; }
.form .row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 860px) { .form .row { grid-template-columns: 1fr; } }
.input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; background: var(--bg); color: var(--text); }
.input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2); }
.label { font-size: .9rem; font-weight: 600; color: var(--text); }
.result { margin-top: 10px; font-weight: 600; }

/* Theme Toggle Button */
.theme-toggle-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1.5rem;
}

.theme-toggle-btn:hover {
  transform: translateY(-3px) rotate(15deg);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  border-color: var(--green);
  color: var(--green);
}

body {
  transition: background-color 0.3s ease, color 0.3s ease;
}