@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;600;700&family=Roboto:wght@400;500&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --orange:       #ffa500;
  --orange-dark:  #dc6d04;
  --orange-dim:   rgba(255,140,0,0.3);
  --orange-faint: rgba(255,165,0,0.08);
  --bg:           #313335;
  --bg-card:      #212325;
  --bg-input:     #2a2c2e;
  --border:       #ffa500;
  --border-dim:   #444;
  --text:         #ffffff;
  --muted:        #c0c0c0;
  --error:        #ff6b35;
  --success:      #7dff8a;
  --mono:         'JetBrains Mono', monospace;
}

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

html, body {
  min-height: 100%;
  background: var(--bg);
  font-family: 'Roboto', Arial, sans-serif;
  color: var(--text);
}

/* Оранжевые полосы по бокам */
body::before, body::after {
  content: '';
  position: fixed;
  top: 0; bottom: 0;
  width: 10px;
  background: linear-gradient(to bottom, rgba(255,140,0,0.8), rgba(255,165,0,0.8), rgba(255,140,0,0.8));
  z-index: 1000;
  pointer-events: none;
}
body::before { left: 0; }
body::after  { right: 0; }

.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,165,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,165,0,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none; z-index: 0;
}
.bg-glow {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  background: radial-gradient(ellipse, rgba(255,140,0,0.05) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

.wrapper {
  position: relative; z-index: 1;
  max-width: 860px; margin: 0 auto;
  padding: 40px 30px 80px;
}

/* ── HEADER ── */
header { text-align: center; margin-bottom: 44px; }

.logo-title {
  font-family: 'Oswald', 'Impact', sans-serif;
  font-size: 2.2rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  background: linear-gradient(45deg, #e0e0e0 25%, #ffa500 50%, #c0c0c0 75%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; line-height: 1.1;
}
.logo-sub {
  font-size: 11px; color: var(--muted);
  letter-spacing: 4px; text-transform: uppercase; margin-top: 6px;
}
.header-divider {
  width: 80px; height: 3px;
  background: linear-gradient(to right, transparent, var(--orange), transparent);
  margin: 14px auto 0; border-radius: 2px;
}
.security-badges {
  display: flex; gap: 8px; justify-content: center;
  flex-wrap: wrap; margin-top: 18px;
}
.badge {
  font-family: 'Oswald', sans-serif; font-size: 10px;
  padding: 3px 10px; border: 1px solid var(--border-dim);
  border-radius: 4px; color: var(--muted);
  letter-spacing: 1.5px; text-transform: uppercase;
}
.badge.hot { border-color: var(--orange); color: var(--orange); }

/* ── TABS ── */
.tabs {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border: 2px solid var(--orange);
  border-radius: 10px; overflow: hidden;
  margin-bottom: 28px;
}
.tab {
  padding: 13px 4px; text-align: center;
  font-family: 'Oswald', 'Impact', sans-serif;
  font-size: 11px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
  cursor: pointer; transition: all 0.2s;
  color: var(--muted); background: var(--bg-card);
  user-select: none;
}
.tab:not(:last-child) { border-right: 1px solid var(--border-dim); }
.tab.active {
  background: linear-gradient(to bottom, #ffa500, #dc6d04);
  color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.tab:not(.active):hover { background: var(--orange-faint); color: var(--orange); }

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

/* ── CARD ── */
.card {
  background: var(--bg-card); border: 3px solid var(--orange);
  border-radius: 15px; padding: 28px; margin-bottom: 16px;
  box-shadow: 0 0 10px var(--orange-dim), 0 0 40px rgba(255,140,0,0.07);
  animation: fadeIn 0.35s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card-label {
  font-family: 'Oswald', sans-serif; font-size: 10px;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--orange); margin-bottom: 18px; opacity: 0.8;
}

/* ── FIELDS ── */
.field { margin-bottom: 16px; }
label {
  display: block; font-family: 'Oswald', Arial, sans-serif;
  font-size: 11px; font-weight: 500; letter-spacing: 2px;
  text-transform: uppercase; color: var(--orange); margin-bottom: 7px;
}
input[type=text], input[type=password], input[type=number], textarea, select {
  width: 100%; padding: 11px 14px;
  background: var(--bg-input); border: 2px solid var(--border-dim);
  border-radius: 8px; color: var(--text); font-size: 14px;
  font-family: 'Roboto', Arial, sans-serif; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s; resize: vertical;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,165,0,0.15);
}
textarea { min-height: 100px; }
input::placeholder, textarea::placeholder { color: #555; }
select option { background: var(--bg-card); }

.passphrase-wrap { position: relative; }
.passphrase-wrap input { padding-right: 46px; }
input[type=password]::-ms-reveal,
input[type=password]::-ms-clear { display: none !important; }
.eye-btn {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none; color: var(--muted);
  cursor: pointer; font-size: 15px; padding: 4px;
  transition: color 0.2s;
}
.eye-btn:hover { color: var(--orange); }

.strength-bar { height: 3px; background: var(--border-dim); border-radius: 2px; margin-top: 7px; overflow: hidden; }
.strength-fill { height: 100%; border-radius: 2px; transition: width 0.3s, background 0.3s; width: 0%; }
.strength-text { font-size: 10px; letter-spacing: 1px; color: var(--muted); margin-top: 4px; text-transform: uppercase; font-family: 'Oswald', sans-serif; }

.kdf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ── BUTTONS ── */
.btn {
  width: 100%; padding: 14px 25px;
  border-radius: 50px; border: none; cursor: pointer;
  font-family: 'Oswald', 'Impact', sans-serif;
  font-size: 18px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: white;
  background: linear-gradient(to bottom, #ffa500, #dc6d04);
  box-shadow: 0 4px 15px rgba(0,0,0,0.35);
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute;
  top: -50%; left: -60%; width: 40%; height: 200%;
  background: rgba(255,255,255,0.15);
  transform: skewX(-20deg); transition: left 0.4s;
}
.btn:hover::after { left: 120%; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 7px 22px rgba(0,0,0,0.4), 0 0 22px var(--orange-dim); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; box-shadow: none; }
.btn-sm { font-size: 14px; padding: 10px 20px; }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }

/* ── STATUS ── */
.status {
  display: none; padding: 11px 14px; border-radius: 8px;
  font-size: 13px; margin-top: 14px; line-height: 1.5; font-weight: 500;
}
.status.show { display: block; }
.status.success { background: rgba(125,255,138,0.08); border: 1px solid rgba(125,255,138,0.3); color: var(--success); }
.status.error   { background: rgba(255,107,53,0.08);  border: 1px solid rgba(255,107,53,0.3);  color: var(--error); }
.status.working { background: var(--orange-faint);    border: 1px solid rgba(255,165,0,0.3);   color: var(--orange); }

/* ── PROGRESS ── */
.progress-wrap { display: none; margin-top: 12px; }
.progress-wrap.show { display: block; }
.progress-bar-bg { height: 4px; background: var(--border-dim); border-radius: 2px; overflow: hidden; margin-top: 6px; }
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(to right, #ffa500, #dc6d04);
  border-radius: 2px; width: 0%; transition: width 0.1s;
  box-shadow: 0 0 8px var(--orange-dim);
}
.progress-label { font-family: 'Oswald', sans-serif; font-size: 10px; color: var(--muted); letter-spacing: 2px; text-transform: uppercase; }

/* ── OUTPUT AREAS ── */
.output-area { display: none; margin-top: 18px; }
.output-area.show { display: block; }
.output-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.output-label { font-family: 'Oswald', sans-serif; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--orange); }
.copy-btn {
  background: none; border: 1px solid var(--border-dim);
  color: var(--muted); font-family: 'Oswald', Arial, sans-serif;
  font-size: 10px; padding: 4px 12px; border-radius: 4px;
  cursor: pointer; letter-spacing: 1px; text-transform: uppercase;
  transition: all 0.2s;
}
.copy-btn:hover, .copy-btn.copied { border-color: var(--orange); color: var(--orange); }
.output-box {
  background: var(--bg); border: 2px solid var(--border-dim);
  border-radius: 8px; padding: 14px; font-family: var(--mono);
  font-size: 12px; word-break: break-all; line-height: 1.6;
  color: var(--orange); max-height: 150px; overflow-y: auto;
}
.decrypted-msg { display: none; margin-top: 18px; }
.decrypted-msg.show { display: block; }
.decrypted-content {
  background: var(--bg); border: 2px solid rgba(255,165,0,0.3);
  border-radius: 8px; padding: 18px; font-size: 15px;
  line-height: 1.7; color: var(--text);
  white-space: pre-wrap; word-break: break-word;
}

.sep {
  display: flex; align-items: center; gap: 10px;
  margin: 16px 0; color: var(--muted);
  font-family: 'Oswald', sans-serif;
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
}
.sep::before, .sep::after { content: ''; flex: 1; height: 1px; background: var(--border-dim); }

.format-details {
  background: rgba(0,0,0,0.2); border: 1px solid var(--border-dim);
  border-radius: 8px; padding: 14px; font-family: var(--mono);
  font-size: 11px; color: var(--muted); line-height: 2;
}
.format-details span { color: var(--orange); }

/* ── DARK INFO BOX ── */
.info-box {
  background: #111315; border: 1px solid #333;
  border-radius: 12px; padding: 24px 28px; margin-top: 16px;
  color: #d0d0d0; font-size: 13px; line-height: 1.8;
}
.info-box h3 {
  font-family: 'Oswald', sans-serif; font-size: 14px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--orange); margin-bottom: 12px;
}
.info-box h4 {
  font-family: 'Oswald', sans-serif; font-size: 12px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: #ffc060; margin: 14px 0 6px;
}
.info-box code {
  font-family: var(--mono); font-size: 11px;
  background: rgba(255,165,0,0.1); padding: 2px 6px;
  border-radius: 3px; color: #ffcc66;
}
.info-box .step { display: flex; gap: 12px; margin-bottom: 10px; }
.info-box .step-num {
  font-family: 'Oswald', sans-serif; color: var(--orange);
  font-size: 18px; font-weight: 700; min-width: 24px; line-height: 1.4;
}
.info-box .note { font-size: 11px; color: #888; margin-top: 10px; letter-spacing: 0.5px; }
.info-box .note strong { color: #aaa; }

/* ── ABOUT PAGE ── */
.about-hero { text-align: center; padding: 20px 0 30px; }
.about-hero h2 {
  font-family: 'Oswald', sans-serif; font-size: 1.8rem;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--orange); margin-bottom: 12px;
}
.about-hero p { color: var(--muted); font-size: 15px; line-height: 1.8; max-width: 620px; margin: 0 auto; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border-dim);
  border-radius: 12px; padding: 20px; transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--orange); }
.feature-icon { font-size: 28px; margin-bottom: 10px; }
.feature-title {
  font-family: 'Oswald', sans-serif; font-size: 13px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--orange); margin-bottom: 8px;
}
.feature-desc { font-size: 12px; color: var(--muted); line-height: 1.7; }

/* ── WARNING ── */
.warning-box {
  background: rgba(255,107,53,0.08); border: 1px solid rgba(255,107,53,0.35);
  border-radius: 8px; padding: 12px 14px; font-size: 12px;
  line-height: 1.7; color: #ffaa80; margin-bottom: 16px;
}
.warning-box strong { color: var(--error); font-family: 'Oswald', sans-serif; letter-spacing: 1px; text-transform: uppercase; }

/* ── PQ / HANDSHAKE ── */
.pq-pubkey-box {
  background: var(--bg); border: 2px solid var(--orange);
  border-radius: 8px; padding: 14px; font-family: var(--mono);
  font-size: 10px; word-break: break-all; line-height: 1.6;
  color: #ffcc66; max-height: 100px; overflow-y: auto; margin-top: 10px;
}
.secret-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,107,53,0.12); border: 1px solid rgba(255,107,53,0.4);
  border-radius: 6px; padding: 6px 12px;
  font-family: 'Oswald', sans-serif; font-size: 10px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: #ff9060; margin-bottom: 14px;
}

/* ── IMAGE PANEL ── */
.img-drop-zone {
  border: 2px dashed var(--border-dim); border-radius: 10px;
  padding: 36px 20px; text-align: center; cursor: pointer;
  transition: border-color 0.2s, background 0.2s; position: relative;
}
.img-drop-zone:hover, .img-drop-zone.drag-over {
  border-color: var(--orange); background: var(--orange-faint);
}
.img-drop-zone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.drop-icon { font-size: 36px; margin-bottom: 10px; }
.drop-text { font-family: 'Oswald', sans-serif; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); }
.drop-hint { font-size: 11px; color: #555; margin-top: 6px; letter-spacing: 1px; }
.img-preview-wrap {
  display: none; margin-top: 14px; border-radius: 8px;
  overflow: hidden; border: 2px solid var(--border-dim);
  background: var(--bg); text-align: center; max-height: 280px;
}
.img-preview-wrap.show { display: block; }
.img-preview-wrap img { max-width: 100%; max-height: 276px; object-fit: contain; display: block; margin: 0 auto; }
.img-preview-info { padding: 8px 12px; font-family: var(--mono); font-size: 11px; color: var(--muted); border-top: 1px solid var(--border-dim); text-align: left; }
.img-result-wrap { display: none; margin-top: 16px; }
.img-result-wrap.show { display: block; }

/* ── PASSWORD GENERATOR ── */
.pass-output-box {
  background: var(--bg); border: 2px solid var(--orange);
  border-radius: 10px; padding: 18px 20px;
  font-family: var(--mono); font-size: 18px; font-weight: 600;
  letter-spacing: 2px; color: #fff; word-break: break-all;
  line-height: 1.6; min-height: 60px; text-align: center;
  margin: 16px 0;
}
.pass-meta {
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  text-align: center; margin-top: 8px; letter-spacing: 1px;
}
.pass-entropy-bar {
  height: 6px; background: var(--border-dim);
  border-radius: 3px; margin: 12px 0 6px; overflow: hidden;
}
.pass-entropy-fill {
  height: 100%; border-radius: 3px;
  transition: width 0.4s, background 0.4s;
}
.pass-entropy-label {
  font-family: 'Oswald', sans-serif; font-size: 11px;
  letter-spacing: 2px; text-transform: uppercase;
}
.pass-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 16px; }
.pass-list {
  margin-top: 10px;
  display: flex; flex-direction: column; gap: 8px;
}
.pass-list-item {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg); border: 1px solid var(--border-dim);
  border-radius: 8px; padding: 10px 14px;
  font-family: var(--mono); font-size: 13px; color: #e0e0e0;
  transition: border-color 0.2s;
}
.pass-list-item:hover { border-color: var(--orange); }
.pass-list-item .pass-copy { flex-shrink: 0; }
.charset-info {
  font-family: var(--mono); font-size: 10px; color: #666;
  background: rgba(0,0,0,0.3); border-radius: 6px; padding: 8px 12px;
  margin-top: 8px; letter-spacing: 0.5px;
}

/* ── FOOTER ── */
footer {
  text-align: center; margin-top: 50px;
  padding-top: 28px; border-top: 1px solid var(--border-dim);
  color: #555; font-family: 'Oswald', sans-serif;
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase; line-height: 2.5;
}
footer .highlight { color: var(--orange); }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--orange); }
::-webkit-scrollbar-thumb { background: var(--bg); border-radius: 6px; }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .logo-title { font-size: 1.6rem; }
  .kdf-grid, .feature-grid, .btn-row, .pass-controls { grid-template-columns: 1fr; }
  .card { padding: 20px 16px; }
  .wrapper { padding: 28px 16px 60px; }
  .tabs { grid-template-columns: repeat(3, 1fr); }
  .tab { font-size: 9px; padding: 10px 3px; letter-spacing: 0.5px; }
  .pass-output-box { font-size: 14px; }
}