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

:root {
  --primary:        #6366f1;
  --primary-dark:   #4f46e5;
  --accent:         #06b6d4;
  --success:        #10b981;
  --danger:         #ef4444;

  --bg-card:        rgba(255, 255, 255, 0.9);
  --bg-panel:       rgba(255, 255, 255, 0.7);
  --bg-panel-out:   rgba(240, 253, 250, 0.75);
  --bg-header:      rgba(248, 248, 255, 0.8);
  --border:         rgba(0, 0, 0, 0.09);
  --border-focus:   rgba(99, 102, 241, 0.55);

  --text-primary:   #111827;
  --text-secondary: #374151;
  --text-muted:     #9ca3af;

  --radius:         20px;
  --radius-sm:      12px;
  --shadow:         0 20px 60px rgba(80, 60, 180, 0.13), 0 4px 16px rgba(0, 0, 0, 0.07);
  --shadow-sm:      0 2px 6px rgba(0, 0, 0, 0.07);
  --transition:     0.2s ease;
}

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  min-height: 100vh;
  background-color: #c7d2fe;
  background-image: url('cool-background (2).png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}

/* Soft light overlay so background image stays beautiful but text pops */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.42);
  pointer-events: none;
  z-index: 0;
}

/* ── App wrapper ─────────────────────────────────────────── */
.app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 980px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  will-change: opacity, transform;
  animation: fadeUp 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Gradient top bar */
.header::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.logo-icon-wrap {
  width: 50px;
  height: 50px;
  background: white;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.2), 0 1px 4px rgba(0,0,0,0.08);
  flex-shrink: 0;
}

.logo-icon {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.logo-text h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.subtitle {
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 2px;
  letter-spacing: 0.01em;
}

/* Live toggle */
.live-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  flex-shrink: 0;
}

.live-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.toggle-wrap {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
}

.toggle-wrap input { display: none; }

.toggle-track {
  position: absolute;
  inset: 0;
  background: #d1d5db;
  border-radius: 12px;
  transition: background var(--transition);
  cursor: pointer;
}

.toggle-thumb {
  position: absolute;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.toggle-wrap input:checked ~ .toggle-track { background: var(--primary); }
.toggle-wrap input:checked ~ .toggle-track .toggle-thumb { transform: translateX(18px); }

/* Tigrigna description */
.tigrigna-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding: 0.75rem 1rem 0.75rem 1.125rem;
  background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(6,182,212,0.04));
  border-radius: 10px;
  border-left: 3px solid var(--primary);
  font-weight: 400;
}

/* ── Translator card ─────────────────────────────────────── */
.translator-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.translator-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
}

/* ── Panels ──────────────────────────────────────────────── */
.panels {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
}

.panel {
  display: flex;
  flex-direction: column;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-panel);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.panel:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.panel-output {
  background: var(--bg-panel-out);
}

.panel-output:focus-within {
  border-color: rgba(6, 182, 212, 0.5);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.1);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.9rem;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
}

.lang-badge {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.lang-flag { font-size: 1rem; line-height: 1; }

.panel-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.stats {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 500;
}

textarea {
  flex: 1;
  width: 100%;
  padding: 1rem 1.125rem;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.8;
  min-height: 260px;
}

textarea::placeholder { color: #c4c9d4; }

textarea[readonly] {
  cursor: default;
  color: #1e3a5f;
  font-weight: 450;
}

textarea::-webkit-scrollbar       { width: 4px; }
textarea::-webkit-scrollbar-track { background: transparent; }
textarea::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 4px; }

.panel-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-header);
  border-top: 1px solid var(--border);
}

/* ── Ghost buttons ───────────────────────────────────────── */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: white;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.btn-ghost:hover {
  background: #f3f4f6;
  border-color: #d1d5db;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

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

.btn-danger:hover {
  background: #fff5f5;
  border-color: #fca5a5;
  color: var(--danger);
}

.btn-copy:hover {
  background: #f0fdf4;
  border-color: #6ee7b7;
  color: var(--success);
}

.btn-copy.copied {
  background: #f0fdf4;
  border-color: #6ee7b7;
  color: var(--success);
}

.btn-share:hover {
  background: #faf5ff;
  border-color: #c4b5fd;
  color: #7c3aed;
}

/* ── Divider (desktop arrow button) ─────────────────────── */
.divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 0.25rem;
}

.btn-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
  flex-shrink: 0;
}

.btn-arrow:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.55);
}

.btn-arrow:active { transform: scale(0.95); }

.divider-label {
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.keyboard-hint {
  font-size: 0.6rem;
  color: #c4c9d4;
  letter-spacing: 0.02em;
}

/* ── Mobile translate button ─────────────────────────────── */
.btn-translate-mobile {
  display: none;
  width: 100%;
  margin-top: 1rem;
  padding: 0.9rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
  letter-spacing: 0.02em;
}

.btn-translate-mobile:hover  { opacity: 0.9; }
.btn-translate-mobile:active { transform: scale(0.98); }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(30, 41, 59, 0.65);
  padding: 0.25rem;
  font-weight: 500;
}

.footer a {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 700;
}

.footer a:hover { text-decoration: underline; }

/* ── Responsive: Mobile ──────────────────────────────────── */
@media (max-width: 680px) {
  body {
    padding: 1rem;
    align-items: flex-start;
  }

  .app { gap: 0.875rem; }

  .header {
    padding: 1.25rem;
  }

  .logo-text h1 { font-size: 1.2rem; }

  .translator-card { padding: 1.125rem; }

  .panels {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .divider { display: none; }

  textarea { min-height: 180px; }

  .btn-translate-mobile { display: flex; }
}

@media (max-width: 400px) {
  .logo-icon-wrap { width: 42px; height: 42px; }
  .logo-icon      { width: 28px; height: 28px; }
  .logo-text h1   { font-size: 1.05rem; }
}

/* ── Print view (hidden on screen, shown when printing) ─── */
#print-view {
  display: none;
}

@media print {
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }

  body, body::before { background: white !important; }

  .app { display: none !important; }

  #print-view {
    display: block;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    padding: 2.5cm 2.5cm 2cm;
    color: #111827;
    max-width: 100%;
  }

  .print-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 0.75rem;
    margin-bottom: 1.75rem;
    border-bottom: 2.5px solid #6366f1;
  }

  .print-logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: #6366f1;
    letter-spacing: -0.02em;
  }

  .print-date {
    font-size: 0.8rem;
    color: #9ca3af;
  }

  .print-section { margin-bottom: 1.5rem; }

  .print-section h3 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #6366f1;
    font-weight: 700;
    margin-bottom: 0.6rem;
  }

  .print-section p {
    font-size: 1rem;
    line-height: 1.85;
    color: #111827;
    white-space: pre-wrap;
    word-break: break-word;
  }

  .print-divider {
    border-top: 1px solid #e5e7eb;
    margin: 1.5rem 0;
  }

  .print-footer {
    position: fixed;
    bottom: 1.5cm;
    left: 2.5cm;
    right: 2.5cm;
    text-align: center;
    font-size: 0.7rem;
    color: #d1d5db;
    border-top: 1px solid #f3f4f6;
    padding-top: 0.5rem;
  }
}