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

/* ── DARK THEME ── */
body.dark-theme {
  --bg:        #262626;
  --bg-card:   #333333;
  --bg-white:  #2d2d2d;
  --text:      #FFFFFF;
  --text-muted:#cdcdcd;
  --text-sub:  #8c8c8c;
  --text-light:#666666;
  --accent:    #e95420;
  --border:    #3c3c3c;
  --shadow:    rgba(0, 0, 0, 0.45);
}

/* ── LIGHT THEME ── */
:root {
  --bg:        #faf9f7;
  --bg-card:   #eceae6;
  --bg-white:  #ffffff;
  --text:      #1e1e1e;
  --text-muted:#666666;
  --text-sub:  #888888;
  --text-light:#aaaaaa;
  --accent:    #e95420;
  --border:    #e0dedd;
  --shadow:    rgba(0, 0, 0, 0.08);
}

/* ── THEME TOGGLE ── */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--bg-card); }
.theme-toggle i { font-size: 18px; pointer-events: none; }
.theme-toggle .icon-sun { display: none; }
body.dark-theme .theme-toggle .icon-moon { display: none; }
body.dark-theme .theme-toggle .icon-sun { display: block; }

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ── LOGO ── */
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1;
}
.logo-text { line-height: 1.25; display: flex; flex-direction: column; }
.logo-main { display: block; font-size: 15px; font-weight: 700; color: var(--text); letter-spacing: -0.2px; }
.logo-sub  { display: block; font-size: 9px; font-weight: 500; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; }

/* ── NAV ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: var(--bg);
  border-bottom: 0.667px solid var(--border);
  transition: background 0.3s, border-color 0.3s;
  gap: 16px;
}

.nav h1 {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 500;
  color: var(--text);
  margin: 0;
  flex: 1;
}

/* ── FOOTER ── */
.footer {
  background: var(--bg);
  padding: 20px 32px;
  border-top: 0.667px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  transition: background 0.3s, border-color 0.3s;
}
.footer a { color: var(--text-muted); text-decoration: none; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.footer-logo .logo-icon { width: 24px; height: 24px; font-size: 9px; border-width: 1.5px; }
.footer-logo .logo-main { font-size: 11px; }
.footer-logo .logo-sub { font-size: 7px; }

/* ── MAIN CONTAINER ── */
.container {
  flex: 1;
  padding: 40px 32px;
  max-width: 848px;
  margin: 0 auto;
  width: 100%;
}

/* ── CARD ── */
.card {
  background: var(--bg-white);
  border: 0.667px solid var(--border);
  padding: 32px;
  transition: background 0.3s, border-color 0.3s;
}

.card h2 {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}

.subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-weight: 300;
}

/* ── FILE INPUTS ── */
.file-input-group {
  margin-bottom: 24px;
}

.file-input-group label {
  display: block;
  font-size: 11px;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-sub);
  font-weight: 500;
  margin-bottom: 8px;
}

.file-drop-area {
  position: relative;
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border: 0.667px solid var(--border);
  background: var(--bg);
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}

.file-drop-area:hover,
.file-drop-area.is-active {
  border-color: var(--accent);
  background: var(--bg-card);
}

.file-msg {
  font-size: 13px;
  color: var(--text-sub);
  pointer-events: none;
  font-weight: 300;
}

.file-input {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  cursor: pointer;
  opacity: 0;
}

/* ── BUTTON ── */
.actions {
  margin-top: 32px;
  display: flex;
  justify-content: flex-end;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  padding: 12px 28px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .5px;
  border: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.85; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── SPINNER ── */
.spinner {
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top: 2px solid white;
  width: 14px;
  height: 14px;
  animation: spin 1s linear infinite;
  display: none;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.btn-primary.loading .spinner { display: inline-block; }
.btn-primary.loading .btn-text { display: none; }

/* ── STATUS MESSAGES ── */
.status-success {
  color: #27c93f;
  font-weight: 500;
}
.status-error {
  color: var(--accent);
  font-weight: 500;
}

/* ── BLACK CAT ANIMATION ── */
#black-cat {
  position: fixed;
  bottom: 0px;
  left: -120px;
  width: 120px;
  height: 120px;
  z-index: 9999;
  background-image: url('data:image/svg+xml;base64,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');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center bottom;
  animation: walkIn 8s linear forwards;
  cursor: pointer;
  filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.2));
}


#black-cat:hover {
  transform: scale(1.1) translateY(-10px);
  transition: transform 0.2s;
}

@keyframes walkIn {
  0% { left: -120px; background-image: url('data:image/svg+xml;base64,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'); }
  95% { left: 20px; background-image: url('data:image/svg+xml;base64,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'); }
  96% { left: 20px; background-image: url('data:image/svg+xml;base64,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'); }
  100% { left: 20px; background-image: url('data:image/svg+xml;base64,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'); }
}

#cat-bubble {
  position: absolute;
  top: -40px;
  left: -10px;
  background: var(--bg-white);
  color: var(--text);
  padding: 10px 15px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 4px 6px rgba(0,0,0,0.15);
  opacity: 0;
  pointer-events: none;
  animation: showBubble 10s forwards 8s;
}

#cat-bubble::before {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 20px;
  border-width: 10px 10px 0 0;
  border-style: solid;
  border-color: var(--border) transparent transparent transparent;
}

#cat-bubble::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 21px;
  border-width: 9px 9px 0 0;
  border-style: solid;
  border-color: var(--bg-white) transparent transparent transparent;
}

@keyframes showBubble {
  0%  { opacity: 0; transform: translateY(10px); }
  5%  { opacity: 1; transform: translateY(0); }
  95% { opacity: 1; transform: translateY(0); }
  100%{ opacity: 0; transform: translateY(-10px); }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav { padding: 14px 18px; flex-direction: row; flex-wrap: wrap; }
  .nav h1 { font-size: 16px; order: 2; flex: none; }
  .container { padding: 24px 18px; }
  .card { padding: 24px 18px; }
  .footer { flex-direction: column; gap: 12px; padding: 20px 18px; text-align: center; }
}