/* ═══════════════════════════════════════════════
   PASSCRAFT EDUCATION — Stylesheet
   style.css
═══════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  --green-dark:   #2d6a4f;
  --green-mid:    #40916c;
  --green-light:  #74c69d;
  --green-pale:   #b7e4c7;
  --cream:        #fdf8f0;
  --cream-dark:   #f0e8d6;
  --cream-border: #ddd0b8;
  --amber:        #e09f3e;
  --amber-dark:   #b67d1e;
  --text-dark:    #1a2e25;
  --text-mid:     #3d5c4a;
  --text-light:   #6a8a77;
  --red:          #c0392b;
  --red-light:    #fadbd8;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 4px 24px rgba(45,106,79,.12), 0 1px 4px rgba(45,106,79,.08);
  --shadow-btn:  0 3px 10px rgba(45,106,79,.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Nunito', sans-serif;
  background: var(--cream);
  color: var(--text-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── BACKGROUND DECORATION ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 10% 0%, rgba(116,198,157,.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 90% 100%, rgba(64,145,108,.14) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* Leaf / dot pattern */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(45,106,79,.06) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 0;
}

.wrapper {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ── HEADER ── */
header {
  text-align: center;
  padding: 48px 0 36px;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--green-dark);
  color: #fff;
  border-radius: 50px;
  padding: 10px 24px 10px 14px;
  margin-bottom: 18px;
  box-shadow: 0 4px 18px rgba(45,106,79,.35);
  animation: slideDown .6s cubic-bezier(.34,1.56,.64,1) both;
}

.logo-icon {
  width: 38px; height: 38px;
  background: var(--green-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}

.logo-text {
  font-family: 'Baloo 2', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: .3px;
}

.logo-text span { color: var(--green-pale); }

header h1 {
  font-family: 'Baloo 2', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1.15;
  animation: slideDown .7s .1s cubic-bezier(.34,1.56,.64,1) both;
}

header h1 em {
  font-style: normal;
  color: var(--amber-dark);
}

header p {
  margin-top: 10px;
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 520px;
  margin-inline: auto;
  animation: slideDown .7s .2s cubic-bezier(.34,1.56,.64,1) both;
}

/* ── TABS ── */
.tab-bar {
  display: flex;
  gap: 8px;
  background: var(--cream-dark);
  border: 1.5px solid var(--cream-border);
  border-radius: var(--radius-lg);
  padding: 6px;
  margin: 28px 0 24px;
  animation: fadeIn .6s .3s both;
}

.tab-btn {
  flex: 1;
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s ease;
  background: transparent;
  color: var(--text-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.tab-btn.active {
  background: var(--green-dark);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.tab-btn:not(.active):hover {
  background: var(--cream);
  color: var(--green-dark);
}

/* ── CARD ── */
.card {
  background: #fff;
  border: 1.5px solid var(--cream-border);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
  animation: fadeUp .5s .35s both;
}

@media (max-width: 520px) { .card { padding: 22px 18px; } }

.section-label {
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: 16px;
}

/* ── OUTPUT BOX ── */
.output-wrap {
  position: relative;
  margin-bottom: 20px;
}

.output-box {
  background: var(--cream);
  border: 2px solid var(--cream-border);
  border-radius: var(--radius-md);
  padding: 20px 56px 20px 20px;
  font-family: 'Baloo 2', sans-serif;
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 700;
  color: var(--green-dark);
  word-break: break-all;
  min-height: 72px;
  display: flex;
  align-items: center;
  transition: border-color .2s;
  letter-spacing: .5px;
}

.output-box.pulse {
  animation: pulse .4s ease;
}

.copy-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--green-mid);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: background .2s, transform .15s;
}

.copy-btn:hover { background: var(--green-dark); }
.copy-btn:active { transform: translateY(-50%) scale(.9); }

/* ── STRENGTH METER ── */
.strength-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.strength-bars {
  display: flex;
  gap: 4px;
  flex: 1;
}

.bar {
  height: 7px;
  flex: 1;
  border-radius: 99px;
  background: var(--cream-dark);
  transition: background .4s ease;
}

.strength-label {
  font-size: .85rem;
  font-weight: 800;
  min-width: 70px;
  text-align: right;
}

/* ── CONTROLS ── */
.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

@media (max-width: 480px) { .controls-grid { grid-template-columns: 1fr; } }

.control-group label {
  display: block;
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-mid);
  margin-bottom: 6px;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

input[type=range] {
  -webkit-appearance: none;
  flex: 1;
  height: 6px;
  border-radius: 99px;
  background: var(--cream-dark);
  outline: none;
  cursor: pointer;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--green-dark);
  box-shadow: 0 2px 6px rgba(45,106,79,.4);
  cursor: pointer;
  transition: transform .15s;
}

input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.2); }

.range-val {
  font-weight: 800;
  color: var(--green-dark);
  min-width: 28px;
  text-align: center;
}

/* ── CHECKBOXES ── */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  font-size: .92rem;
  font-weight: 600;
  color: var(--text-mid);
  user-select: none;
}

.check-item input[type=checkbox] { display: none; }

.check-box {
  width: 20px; height: 20px;
  border: 2px solid var(--cream-border);
  border-radius: 5px;
  background: var(--cream);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  transition: all .2s;
  flex-shrink: 0;
}

.check-item input:checked + .check-box {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: #fff;
}

/* ── GENERATE BUTTON ── */
.generate-btn {
  width: 100%;
  padding: 15px;
  background: var(--green-dark);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Baloo 2', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  box-shadow: var(--shadow-btn);
  transition: background .2s, transform .15s, box-shadow .2s;
  margin-bottom: 14px;
}

.generate-btn:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(45,106,79,.3);
}

.generate-btn:active { transform: translateY(0); }

/* ── TIP BOX ── */
.tip-box {
  background: #f0faf4;
  border: 1.5px solid var(--green-pale);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: .88rem;
  color: var(--green-dark);
  line-height: 1.55;
}

.tip-box strong { font-weight: 800; }

/* ── PASSPHRASE EXTRA ── */
.word-count-row {
  margin-bottom: 14px;
}

/* ── HISTORY SECTION ── */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--cream);
  border: 1.5px solid var(--cream-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  animation: fadeUp .3s ease both;
}

.history-item-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.history-label {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-light);
}

.history-pw {
  font-family: 'Baloo 2', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  color: var(--green-dark);
  word-break: break-all;
}

.history-copy {
  background: transparent;
  border: 1.5px solid var(--cream-border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: .78rem;
  font-weight: 700;
  color: var(--text-mid);
  cursor: pointer;
  transition: all .2s;
  flex-shrink: 0;
}

.history-copy:hover {
  background: var(--green-dark);
  color: #fff;
  border-color: var(--green-dark);
}

.empty-history {
  text-align: center;
  color: var(--text-light);
  font-size: .9rem;
  padding: 24px 0;
}

/* ── TIPS PANEL (LEARN TAB) ── */
.tips-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

@media (max-width: 560px) { .tips-grid { grid-template-columns: 1fr; } }

.tip-card {
  background: var(--cream);
  border: 1.5px solid var(--cream-border);
  border-radius: var(--radius-md);
  padding: 18px;
}

.tip-card-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.tip-card h3 {
  font-size: .97rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 5px;
}

.tip-card p {
  font-size: .84rem;
  color: var(--text-mid);
  line-height: 1.55;
}

.bad-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
}

.bad-tag {
  background: var(--red-light);
  color: var(--red);
  border-radius: 99px;
  padding: 3px 12px;
  font-size: .82rem;
  font-weight: 700;
}

.good-tag {
  background: #e6f7ee;
  color: var(--green-dark);
  border-radius: 99px;
  padding: 3px 12px;
  font-size: .82rem;
  font-weight: 700;
}

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--green-dark);
  color: #fff;
  padding: 11px 22px;
  border-radius: 99px;
  font-weight: 700;
  font-size: .92rem;
  box-shadow: 0 6px 22px rgba(0,0,0,.2);
  pointer-events: none;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), opacity .35s;
  opacity: 0;
  z-index: 999;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ── ANIMATIONS ── */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-22px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.015); }
  100% { transform: scale(1); }
}

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 24px 0 0;
  font-size: .8rem;
  color: var(--text-light);
}

footer a { color: var(--green-mid); text-decoration: none; font-weight: 700; }

/* ── HIDDEN PANEL ── */
.panel { display: none; }
.panel.active { display: block; }

/* ─────────────────────────────────────────────
   PASSWORD PATTERN CARDS
───────────────────────────────────────────── */

.pattern-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 22px;
}

@media (max-width: 480px) { .pattern-grid { grid-template-columns: 1fr; } }

.pattern-card {
  position: relative;
  background: var(--cream);
  border: 2px solid var(--cream-border);
  border-radius: var(--radius-md);
  padding: 14px 14px 14px 44px;
  cursor: pointer;
  transition: border-color .2s, background .2s, box-shadow .2s;
  user-select: none;
}

.pattern-card:hover {
  border-color: var(--green-light);
  background: #f5fdf8;
}

.pattern-card.selected {
  border-color: var(--green-dark);
  background: #edf7f2;
  box-shadow: 0 0 0 3px rgba(45,106,79,.12);
}

.pattern-card input[type=radio] {
  display: none;
}

/* Custom radio dot */
.pattern-card::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border: 2px solid var(--cream-border);
  border-radius: 50%;
  background: var(--cream);
  transition: border-color .2s, background .2s;
}

.pattern-card.selected::before {
  border-color: var(--green-dark);
  background: var(--green-dark);
  box-shadow: inset 0 0 0 3px var(--cream);
}

.pattern-card-label {
  font-size: .92rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 2px;
}

.pattern-card-desc {
  font-size: .78rem;
  color: var(--text-light);
  font-weight: 600;
}

/* ── Formula hint row ── */
.formula-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin: -6px 0 18px;
  min-height: 28px;
}

.formula-part {
  background: var(--green-pale);
  color: var(--green-dark);
  border-radius: 99px;
  padding: 2px 10px;
  font-size: .78rem;
  font-weight: 800;
}

.formula-sep {
  color: var(--text-light);
  font-size: .85rem;
  font-weight: 700;
  padding: 0 1px;
}