:root {
  --bg-color:           #ffffff;
  --text-color:         #000000;
  --nav-bg:             #f4f4f4;
  --link-hover:         #7ab8ff;
  --card-bg:            #f2f2f2;
  --card-border-color:  #aaaaaa;
}
[data-theme="dark"] {
  --bg-color:           #0d0d0d;
  --text-color:         #e6e2dc;
  --nav-bg:             #141414;
  --link-hover:         #8ab5c8;
  --card-bg:            #1c1c1c;
  --card-border-color:  #262626;
}
#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.3s;
}
[data-theme="dark"] #bg-canvas {
  opacity: 1;
}
nav, .content, .login-form, h1, h2 { position: relative; z-index: 1; }

html, body { height: 100%; margin: .5rem; }
body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: system-ui, sans-serif;
  transition: background .25s, color .25s;
  padding-top: 3.5rem;

}
.top-nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3.5rem;
  background: var(--nav-bg);
  box-shadow: 0 2px 4px rgba(0,0,0,.15);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  z-index: 1000;
}
.nav-list {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0 1.5rem 0 0;
  padding: 0;
}
.nav-list a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
}
.nav-list li {
  display: flex;
  align-items: center;
}
.nav-list a:hover { color: var(--link-hover); }
.switch {
  position: relative;
  width: 48px;
  height: 24px;
  flex-shrink: 0;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; inset: 0;
  background: #bbb;
  border-radius: 24px;
  cursor: pointer;
  transition: background .3s;
}
.slider:before {
  content: "";
  position: absolute;
  left: 2px; top: 2px;
  width: 20px; height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform .3s;
}
input:checked + .slider       { background: #4d4d4d; }
input:checked + .slider:before{ transform: translateX(24px); }
.cigar-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border-color);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: 2px 2px 6px rgba(0,0,0,.10);
  text-wrap: initial;
  overflow: hidden;
}
img.cigar-image {
  float: right;
  width: 10rem;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  margin-left: 1rem;
  margin-bottom: .5rem;
}
.content {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}
@media (max-width: 700px) {
  img.cigar-image {
    float: none;
    display: block;
    margin: 1rem auto;
  }
}

/* ── Hamburger ─────────────────────────────────── */
#nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0 1rem;
  line-height: 3.5rem;
}
@media (max-width: 640px) {
  #nav-hamburger { display: block; }
  .top-nav {
    justify-content: space-between;
    flex-wrap: wrap;
    height: auto;
    min-height: 3.5rem;
    padding: 0;
  }
  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    margin: 0;
    padding: 0.5rem 0;
    background: var(--nav-bg);
    border-top: 1px solid var(--card-border-color);
  }
  .top-nav.nav-open .nav-list { display: flex; }
  .nav-list li {
    padding: 0.5rem 1.5rem;
  }
  .nav-list label.switch {
    margin: 0.25rem 0;
  }
}
.cigar-card > summary {
  list-style: none;
  cursor: pointer;
  margin: 0;
}
.cigar-card > summary h2 {
  display: inline-block;
  font-size: 1.25rem;
  margin: 0;
}
.cigar-card[open] > summary h2 {
  color: var(--link-hover);
}
.cigar-body {
  animation: fadeDown 2500ms ease;
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0);    }
}
.login-form {
  max-width: 360px;
  margin: 2rem auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border-color);
  border-radius: 6px;
  padding: 2rem;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.1);
}
.login-form h2 {
  margin-bottom: 1.5rem;
  text-align: center;
  color: var(--text-color);
}
.login-form .form-group {
  margin-bottom: 1rem;
}
.login-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}
.login-form input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-color);
  color: var(--text-color);
  transition: border-color .25s;
}
.login-form input:focus {
  border-color: var(--link-hover);
  outline: none;
}
.login-form button {
  width: 100%;
  padding: 0.75rem;
  background: var(--link-hover);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: filter .2s;
}
.login-form button:hover {
  filter: brightness(0.9);
}
.edit-btn {
  margin-top: .75rem;
  margin-right: .5rem;
  padding: .4rem .9rem;
  background: #2e6da4;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}
.edit-btn:hover { filter: brightness(0.85); }
.delete-btn {
  margin-top: .75rem;
  padding: .4rem .9rem;
  background: #c0392b;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}
.delete-btn:hover { filter: brightness(0.85); }
table { border-collapse: collapse; width: 100%; margin-top: 1rem; }
th, td { padding: .5rem 1rem; border: 1px solid var(--card-border-color); text-align: left; }
th { background: var(--nav-bg); }

/* ── Add Cigar Form ────────────────────────────── */
.page-title {
  margin: 2rem 0 1.5rem;
  font-size: 1.5rem;
}
.cigar-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 720px;
  padding-bottom: 3rem;
}
.form-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border-color);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
}
.form-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--link-hover);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--card-border-color);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1.25rem;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.form-field label {
  font-size: 0.78rem;
  color: var(--text-color);
  opacity: 0.7;
}
.form-field select,
.form-field input,
.form-field textarea {
  background: var(--bg-color);
  border: 1px solid var(--card-border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.45rem 0.65rem;
  width: 100%;
  resize: vertical;
  transition: border-color 0.15s;
}
.form-field select:focus,
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--link-hover);
}
.form-checks {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
}
.check-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  cursor: pointer;
}
.check-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--link-hover);
  cursor: pointer;
}
.required { color: var(--link-hover); }
.submit-btn {
  align-self: flex-start;
  padding: 0.6rem 2rem;
  background: var(--link-hover);
  color: var(--bg-color);
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s;
}
.submit-btn:hover { filter: brightness(0.88); }
#form-status {
  font-size: 0.875rem;
  padding: 0.5rem 0;
  min-height: 1.5rem;
}
#form-status.success { color: #6abf8a; }
#form-status.error   { color: #e07070; }
@media (max-width: 540px) {
  .form-grid { grid-template-columns: 1fr; }
}