/* KFU Graduation 47 — Survey Theme
   Colors derived from the official 47.psd design.
   Layout: RTL, mobile-first, fluid card with side ornaments. */

:root {
  --kfu-teal:        #1B6F73;
  --kfu-teal-d:      #145557;
  --kfu-teal-l:      #2C9499;
  --kfu-gold:        #C9A875;
  --kfu-gold-l:      #E5D4AC;
  --kfu-gold-soft:   #F2E6C9;
  --kfu-bg:          #FDFBF6;
  --kfu-ink:         #1F2937;
  --kfu-ink-soft:    #4B5563;
  --kfu-line:        #E5E7EB;
  --kfu-danger:      #B91C1C;
  --kfu-danger-bg:   #FEE2E2;
  --kfu-radius:      14px;
  --kfu-radius-sm:   8px;
  --kfu-shadow:      0 6px 20px rgba(0,0,0,.06);
  --kfu-shadow-lg:   0 10px 40px rgba(27,111,115,.10);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--kfu-bg);
  color: var(--kfu-ink);
  font-family: 'Tajawal', 'Cairo', system-ui, -apple-system, 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--kfu-teal); text-decoration: none; }
a:hover { color: var(--kfu-teal-d); text-decoration: underline; }

/* ==== Header ==== */
.kfu-header {
  background: #fff;
  border-bottom: 2px solid var(--kfu-gold);
  padding: 16px 0;
  box-shadow: 0 2px 6px rgba(0,0,0,.04);
}
.kfu-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 20px;
}
.kfu-header__logo  { height: 84px; width: auto; }
.kfu-header__brand { height: 84px; width: auto; }
@media (max-width: 600px) {
  .kfu-header__logo  { height: 60px; }
  .kfu-header__brand { height: 60px; }
}

/* ==== Main + card ==== */
.kfu-main {
  max-width: 820px;
  margin: 32px auto;
  padding: 0 16px;
}

.kfu-card {
  position: relative;
  background: #fff;
  border-radius: var(--kfu-radius);
  border: 1px solid var(--kfu-gold-l);
  box-shadow: var(--kfu-shadow-lg);
  overflow: hidden;
}
.kfu-card--narrow { max-width: 620px; margin: 0 auto; }

.kfu-card__body {
  padding: 36px 64px;
  position: relative;
  z-index: 1;
}
.kfu-card__body--center { text-align: center; }

@media (max-width: 700px) {
  .kfu-card__body { padding: 24px 36px; }
}

/* الزخرفة الجانبية المستوحاة من تصميم كفو 47 */
.kfu-card__pattern {
  position: absolute;
  top: 24px;
  bottom: 24px;
  width: 36px;
  background-image: url('/assets/img/pattern.png');
  background-repeat: repeat-y;
  background-size: 36px auto;
  opacity: .55;
  z-index: 0;
  pointer-events: none;
}
.kfu-card__pattern--right { right: 14px; }
.kfu-card__pattern--left  { left: 14px; transform: scaleX(-1); }

@media (max-width: 700px) {
  .kfu-card__pattern {
    width: 22px;
    top: 16px;
    bottom: 16px;
    background-size: 22px auto;
    opacity: .4;
  }
  .kfu-card__pattern--right { right: 6px; }
  .kfu-card__pattern--left  { left: 6px; }
}

.kfu-card__mark {
  text-align: center;
  margin: 0 0 20px;
}
.kfu-card__mark img {
  max-width: 240px;
  height: auto;
}

.kfu-title {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 8px 0 6px;
  color: var(--kfu-teal);
  letter-spacing: -.01em;
}
.kfu-subtitle {
  text-align: center;
  color: var(--kfu-ink-soft);
  margin: 0 0 24px;
  font-size: 1rem;
}

/* ==== Alerts ==== */
.kfu-alert {
  padding: 12px 16px;
  border-radius: var(--kfu-radius-sm);
  margin: 0 0 20px;
  font-weight: 500;
}
.kfu-alert--error {
  background: var(--kfu-danger-bg);
  color: var(--kfu-danger);
  border: 1px solid #FCA5A5;
}

/* ==== Form ==== */
.kfu-form { display: flex; flex-direction: column; gap: 22px; }

.kfu-q { border: 0; padding: 0; margin: 0; }
.kfu-q__label {
  display: block;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--kfu-ink);
  font-size: 1.02rem;
}
.kfu-q__hint {
  margin: -4px 0 10px;
  color: var(--kfu-ink-soft);
  font-size: .88rem;
}
.kfu-q__req { color: var(--kfu-danger); margin-inline-start: 4px; }
.kfu-q__opt { color: var(--kfu-ink-soft); font-weight: 400; font-size: .85rem; margin-inline-start: 6px; }

.kfu-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important; height: 1px !important;
  opacity: 0 !important;
}

.kfu-input, .kfu-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--kfu-line);
  border-radius: var(--kfu-radius-sm);
  font: inherit;
  font-size: 1rem;
  background: #fff;
  color: var(--kfu-ink);
  transition: border-color .15s, box-shadow .15s;
}
.kfu-input:focus, .kfu-textarea:focus {
  outline: 0;
  border-color: var(--kfu-teal);
  box-shadow: 0 0 0 3px rgba(27,111,115,.12);
}
.kfu-textarea { resize: vertical; min-height: 110px; line-height: 1.6; }

/* ==== Choice cards ==== */
.kfu-choices { display: flex; flex-direction: column; gap: 10px; }
.kfu-choice {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1.5px solid var(--kfu-line);
  border-radius: var(--kfu-radius-sm);
  background: #fff;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .05s;
  user-select: none;
}
.kfu-choice:hover { border-color: var(--kfu-gold); background: #FFFCF5; }
.kfu-choice input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.kfu-choice__check {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--kfu-line);
  background: #fff;
  flex-shrink: 0;
  position: relative;
  transition: border-color .15s;
}
.kfu-choice__check::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--kfu-teal);
  transform: scale(0);
  transition: transform .15s;
}
.kfu-choice.is-selected,
.kfu-choice:has(input:checked) {
  border-color: var(--kfu-teal);
  background: #F2F9F9;
}
.kfu-choice:has(input:checked) .kfu-choice__check { border-color: var(--kfu-teal); }
.kfu-choice:has(input:checked) .kfu-choice__check::after { transform: scale(1); }
.kfu-choice__text { font-size: 1rem; line-height: 1.5; }

/* ==== Slider ==== */
.kfu-slider {
  background: var(--kfu-bg);
  border: 1px solid var(--kfu-gold-l);
  border-radius: var(--kfu-radius-sm);
  padding: 22px 18px 16px;
}
.kfu-slider__range {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: linear-gradient(to left, var(--kfu-gold), var(--kfu-gold-l));
  border-radius: 8px;
  outline: 0;
  margin: 0 0 10px;
  cursor: pointer;
  direction: ltr;
}
.kfu-slider__range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 26px; height: 26px;
  background: var(--kfu-teal);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(27,111,115,.4);
  border-radius: 50%;
  cursor: pointer;
  transition: transform .1s;
}
.kfu-slider__range::-webkit-slider-thumb:hover { transform: scale(1.1); }
.kfu-slider__range::-moz-range-thumb {
  width: 26px; height: 26px;
  background: var(--kfu-teal);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(27,111,115,.4);
  border-radius: 50%;
  cursor: pointer;
}
.kfu-slider__scale {
  display: flex; justify-content: space-between;
  font-size: .85rem; color: var(--kfu-ink-soft);
  padding: 0 2px;
  direction: ltr;
}
.kfu-slider__value {
  margin-top: 12px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
}
.kfu-slider__num {
  font-size: 1.7rem;
  color: var(--kfu-teal);
  line-height: 1;
}
.kfu-slider__text {
  color: var(--kfu-gold);
  font-size: 1rem;
}

/* ==== Divider ==== */
.kfu-divider {
  border: 0;
  height: 1px;
  background: linear-gradient(to left, transparent, var(--kfu-gold), transparent);
  margin: 8px 0;
}

/* ==== Button ==== */
.kfu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--kfu-radius-sm);
  border: 0;
  font: inherit;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform .05s, box-shadow .15s, background .15s;
}
.kfu-btn:hover { text-decoration: none; }
.kfu-btn--primary {
  background: linear-gradient(135deg, var(--kfu-gold), #B89860);
  color: #fff;
  box-shadow: 0 4px 14px rgba(201,168,117,.4);
}
.kfu-btn--primary:hover {
  background: linear-gradient(135deg, #B89860, #A68449);
  color: #fff;
  box-shadow: 0 6px 18px rgba(201,168,117,.5);
}
.kfu-btn--primary:active { transform: translateY(1px); }
.kfu-btn--small { padding: 8px 18px; font-size: .95rem; }

/* ==== Footer ==== */
.kfu-footer {
  text-align: center;
  padding: 28px 16px 36px;
  margin-top: 28px;
  color: var(--kfu-ink-soft);
  font-size: .92rem;
  border-top: 1px solid var(--kfu-gold-l);
  background: #fff;
}
.kfu-footer p { margin: 4px 0; }

/* ==== Admin ==== */
.admin-body { background: #F5F5F0; }
.admin-nav {
  background: var(--kfu-teal);
  display: flex;
  gap: 4px;
  padding: 0 24px;
  flex-wrap: wrap;
}
.admin-nav a {
  color: #fff;
  padding: 14px 18px;
  text-decoration: none;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: background .15s, border-color .15s;
}
.admin-nav a:hover { background: var(--kfu-teal-d); color: #fff; text-decoration: none; }
.admin-nav a.is-active { border-bottom-color: var(--kfu-gold); background: var(--kfu-teal-d); }
.admin-nav__logout { margin-inline-start: auto; }

.admin-main {
  max-width: 1100px;
  margin: 28px auto;
  padding: 0 24px;
}
.admin-h1 { color: var(--kfu-teal); font-size: 1.6rem; margin: 0 0 24px; }
.admin-h2 { color: var(--kfu-teal); font-size: 1.25rem; margin: 0 0 6px; }
.admin-muted { color: var(--kfu-ink-soft); }

.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 0 0 32px;
}
.admin-card {
  background: #fff;
  border: 1px solid var(--kfu-gold-l);
  border-radius: var(--kfu-radius);
  padding: 20px;
  box-shadow: var(--kfu-shadow);
  text-align: center;
}
.admin-card--big { border-color: var(--kfu-teal); }
.admin-card--big .admin-card__num { color: var(--kfu-teal); font-size: 2.6rem; }
.admin-card--link { text-decoration: none; color: inherit; transition: transform .1s, box-shadow .15s; }
.admin-card--link:hover { transform: translateY(-2px); box-shadow: var(--kfu-shadow-lg); text-decoration: none; }
.admin-card__num { font-size: 2rem; font-weight: 700; color: var(--kfu-gold); }
.admin-card__label { color: var(--kfu-ink-soft); margin-top: 4px; font-size: .95rem; }

.admin-section {
  background: #fff;
  border: 1px solid var(--kfu-gold-l);
  border-radius: var(--kfu-radius);
  padding: 24px;
  margin: 0 0 24px;
  box-shadow: var(--kfu-shadow);
}

.admin-stat { padding: 16px 0; border-top: 1px dashed var(--kfu-line); }
.admin-stat:first-of-type { border-top: 0; }
.admin-stat__label { font-size: 1rem; margin: 0 0 12px; color: var(--kfu-ink); }

.admin-avg { display: flex; flex-direction: column; gap: 6px; }
.admin-avg__num { font-size: 1.5rem; font-weight: 700; color: var(--kfu-teal); }
.admin-avg__label { color: var(--kfu-gold); font-weight: 600; }
.admin-bar { background: var(--kfu-gold-soft); height: 10px; border-radius: 5px; overflow: hidden; }
.admin-bar__fill { background: linear-gradient(to left, var(--kfu-teal), var(--kfu-teal-l)); height: 100%; }

.admin-dist { display: flex; flex-direction: column; gap: 10px; }
.admin-dist__row {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  align-items: center;
  gap: 12px;
}
.admin-dist__lbl { color: var(--kfu-ink); }
.admin-dist__bar { background: var(--kfu-gold-soft); height: 12px; border-radius: 6px; overflow: hidden; }
.admin-dist__fill { background: linear-gradient(to left, var(--kfu-gold), var(--kfu-gold-l)); height: 100%; }
.admin-dist__num { font-weight: 600; color: var(--kfu-teal); white-space: nowrap; }
@media (max-width: 600px) {
  .admin-dist__row { grid-template-columns: 1fr; gap: 4px; }
}

.admin-filter {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  margin: 0 0 18px;
}
.admin-filter select {
  padding: 8px 12px;
  border: 1.5px solid var(--kfu-line);
  border-radius: var(--kfu-radius-sm);
  font: inherit;
  background: #fff;
}
.admin-filter label { display: inline-flex; gap: 8px; align-items: center; }

.admin-table-wrap { overflow-x: auto; background: #fff; border-radius: var(--kfu-radius); box-shadow: var(--kfu-shadow); }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: right; }
.admin-table th { background: var(--kfu-teal); color: #fff; font-weight: 600; white-space: nowrap; }
.admin-table tbody tr:nth-child(even) { background: #FAFAF6; }
.admin-table tbody tr:hover { background: #F2F9F9; }

.admin-detail {
  background: #fff;
  border: 2px solid var(--kfu-teal);
  border-radius: var(--kfu-radius);
  padding: 20px;
  margin: 0 0 24px;
  box-shadow: var(--kfu-shadow-lg);
}
.admin-detail__head {
  display: flex; justify-content: space-between; align-items: center;
  margin: 0 0 16px;
}
.admin-detail__head h2 { margin: 0; color: var(--kfu-teal); }
.admin-dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 16px;
  margin: 0 0 16px;
}
.admin-dl dt { font-weight: 600; color: var(--kfu-ink-soft); }
.admin-dl dd { margin: 0; }
.admin-ans { padding: 10px 0; border-top: 1px dashed var(--kfu-line); }
.admin-ans__q { font-weight: 600; color: var(--kfu-ink); margin: 0 0 4px; }
.admin-ans__a { color: var(--kfu-ink-soft); }