/* ThemeDokan Requirement Portal — design system (no framework, PHP friendly) */

:root {
  --radius: 16px;
  --bg: #f4f6fc;
  --fg: #16204a;
  --card: #ffffff;
  --muted: #6b7590;
  --border: #e2e7f3;
  --input: #dfe4f2;
  --primary: #3b4fe4;
  --primary-fg: #ffffff;
  --glow: #29c0ea;
  --success: #16a34a;
  --danger: #dc2626;
  --shadow: 0 1px 2px rgba(22, 32, 74, 0.05), 0 24px 48px -28px rgba(22, 32, 74, 0.35);
  --font: "Plus Jakarta Sans", "Hind Siliguri", system-ui, sans-serif;
  --font-bangla: "Hind Siliguri", "Plus Jakarta Sans", system-ui, sans-serif;
}

[data-theme="dark"] {
  --bg: #0d1330;
  --fg: #eef1fb;
  --card: #161e42;
  --muted: #a3adcd;
  --border: rgba(255, 255, 255, 0.12);
  --input: rgba(255, 255, 255, 0.16);
  --primary: #6b7dff;
  --primary-fg: #0d1330;
  --glow: #4bd6f5;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 24px 48px -28px rgba(0, 0, 0, 0.7);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

.bangla { font-family: var(--font-bangla); }

.text-gradient {
  background-image: linear-gradient(100deg, var(--primary), var(--glow));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Header / footer ---------- */
.siteheader {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px);
}

.siteheader__inner,
.sitefooter__inner,
.hero__inner,
.formwrap {
  margin: 0 auto;
  max-width: 960px;
  padding: 0 16px;
}

.siteheader__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: inherit;
  text-decoration: none;
}

.siteheader__actions { display: flex; align-items: center; gap: 8px; }

.sitefooter {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 55%, transparent);
  padding: 26px 0;
  color: var(--muted);
  font-size: 14px;
}

.sitefooter__inner { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }
.sitefooter__links { display: flex; flex-wrap: wrap; gap: 16px; }
.sitefooter__links a { color: inherit; text-decoration: none; }
.sitefooter__links a:hover { color: var(--fg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 56px 0 24px; text-align: center; }

.hero__glow {
  position: absolute;
  inset-inline: 0;
  top: -180px;
  margin: 0 auto;
  height: 300px;
  max-width: 680px;
  border-radius: 999px;
  background-image: linear-gradient(120deg, var(--primary), var(--glow));
  opacity: 0.22;
  filter: blur(70px);
  pointer-events: none;
}

.hero__inner { position: relative; }

.pill {
  display: inline-block;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.hero__title { margin: 22px 0 0; font-size: clamp(28px, 5vw, 46px); line-height: 1.2; font-weight: 800; }
.hero__lead { margin: 18px auto 0; max-width: 620px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.hero__badges { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

.badge {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
}

/* ---------- Panels ---------- */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.progress-panel { padding: 16px 18px; }
.progress-panel__top { display: flex; justify-content: space-between; font-size: 14px; font-weight: 600; }
.progress-panel__hint { margin: 10px 0 0; font-size: 12px; color: var(--muted); }

.progress { margin-top: 10px; height: 8px; border-radius: 999px; background: var(--input); overflow: hidden; }
.progress__bar {
  height: 100%;
  border-radius: 999px;
  background-image: linear-gradient(90deg, var(--primary), var(--glow));
  transition: width 0.35s ease;
}

/* ---------- Sections (accordion via <details>) ---------- */
.section { overflow: hidden; }
.section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.section__head::-webkit-details-marker { display: none; }

.section__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 12px;
  color: var(--primary-fg);
  background-image: linear-gradient(120deg, var(--primary), var(--glow));
}
.section__icon svg { width: 19px; height: 19px; }

.section__titles { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.section__title { font-weight: 700; font-size: 15px; }
.section__hint { font-size: 12.5px; color: var(--muted); }

.section__flag {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.section__chevron { color: var(--muted); transition: transform 0.2s ease; }
.section[open] .section__chevron { transform: rotate(180deg); }

.section__body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 4px 18px 20px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

@media (max-width: 640px) {
  .section__body { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
}

/* ---------- Fields ---------- */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field__label { font-size: 13px; font-weight: 600; }
.field__req { color: var(--danger); margin-left: 2px; }
.field__error { margin: 0; font-size: 12px; color: var(--danger); }

.control {
  width: 100%;
  border: 1px solid var(--input);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 45%, var(--card));
  color: inherit;
  font: inherit;
  font-size: 14px;
  padding: 10px 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
}
.control--area { resize: vertical; min-height: 96px; font-family: var(--font-bangla); }
.control--error { border-color: var(--danger); }

.colorrow { display: flex; gap: 8px; }
.control--color { width: 52px; padding: 4px; flex: none; }

.checkgrid { display: flex; flex-wrap: wrap; gap: 8px; }
.checkchip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--input);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}
.checkchip.is-active { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, transparent); }
.checkchip input { accent-color: var(--primary); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 11px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: transform 0.12s ease, opacity 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--sm { padding: 8px 14px; font-size: 13px; }
.btn--icon { padding: 8px 10px; }
.btn--gradient { background-image: linear-gradient(120deg, var(--primary), var(--glow)); color: var(--primary-fg); }
.btn--outline { border-color: var(--input); background: transparent; }
.btn--ghost { background: color-mix(in srgb, var(--bg) 60%, transparent); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; padding: 16px 18px; }
/* Submit bar stays in its natural position at the bottom of the form. */

/* ---------- Alerts / success ---------- */
.alert { border-radius: 12px; padding: 12px 16px; font-size: 14px; margin: 0 0 16px; }
.alert--error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.alert--success { background: color-mix(in srgb, var(--brand, #22c55e) 12%, transparent); color: var(--brand, #22c55e); }


.success-panel { padding: 26px 22px; text-align: center; }
.success-panel__icon {
  margin: 0 auto 12px;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: color-mix(in srgb, var(--success) 16%, transparent);
  color: var(--success);
  font-size: 26px;
}
.success-panel h2 { margin: 0 0 8px; font-size: 22px; }
.success-panel p { margin: 0; color: var(--muted); line-height: 1.7; }
.success-panel .actions { justify-content: center; }

/* ---------- Back to top ---------- */
.backtotop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 999px;
  background-image: linear-gradient(120deg, var(--primary), var(--glow));
  color: var(--primary-fg);
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  box-shadow: var(--shadow);
}
.backtotop.is-visible { opacity: 1; pointer-events: auto; }

@media print {
  .no-print { display: none !important; }
}