/* Mardi Gras World · Monthly Comparison Generator
   Tricolor (purple/gold/green) Mardi Gras chrome with a calm cream backdrop.
   The accounting report itself stays in the navy/blue financial palette. */

:root {
  /* Mardi Gras tricolor */
  --mg-purple:        #582A86;
  --mg-purple-deep:   #3F1D63;
  --mg-purple-soft:   #EDE3F3;
  --mg-gold:          #F2C50F;
  --mg-gold-deep:     #C9A007;
  --mg-gold-soft:     #FFF6D5;
  --mg-green:         #008542;
  --mg-green-deep:    #006534;

  /* Neutrals */
  --ink:              #221730;        /* near-black with a violet hint */
  --ink-soft:         #4a3d5e;
  --muted:            #786889;
  --cream:            #FBF7EE;
  --cream-deep:       #F4ECDA;
  --card:             #FFFDF7;        /* very faint cream paper */
  --border:           #E7DDC8;

  /* States */
  --danger:           #A8261A;
  --success:          #006534;

  --shadow:           0 18px 48px rgba(88, 42, 134, 0.18),
                      0 4px 12px  rgba(88, 42, 134, 0.10);
  --shadow-inset:     inset 0 1px 0 rgba(255,255,255,0.5);

  --radius:           18px;
  --radius-sm:        10px;
  --transition:       180ms cubic-bezier(.2,.7,.2,1);

  --font-display:     "Playfair Display", "Didot", "Bodoni MT",
                      "Hoefler Text", Georgia, "Times New Roman", serif;
  --font-sans:        -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
                      "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; min-height: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    /* subtle confetti dots */
    radial-gradient(circle at 12% 22%, rgba(88,42,134,0.07) 0 3px, transparent 4px),
    radial-gradient(circle at 88% 18%, rgba(242,197,15,0.10) 0 3px, transparent 4px),
    radial-gradient(circle at 18% 78%, rgba(0,133,66,0.07) 0 3px, transparent 4px),
    radial-gradient(circle at 82% 84%, rgba(88,42,134,0.07) 0 3px, transparent 4px),
    radial-gradient(circle at 50% 35%, rgba(242,197,15,0.06) 0 2.5px, transparent 4px),
    /* warm radial glow */
    radial-gradient(1200px 700px at 50% -200px, #f0e1ff 0%, transparent 55%),
    /* base cream */
    linear-gradient(180deg, var(--cream) 0%, var(--cream-deep) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  line-height: 1.45;
}

/* ---------- Card ---------- */

.card {
  width: 100%;
  max-width: 580px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow), var(--shadow-inset);
  padding: 0 36px 32px;
  position: relative;
  overflow: hidden;
}

/* Tricolor "king cake" ribbon along the top */
.ribbon {
  display: flex;
  height: 8px;
  margin: 0 -36px 0;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
}
.ribbon span { flex: 1; display: block; }
.ribbon-purple { background: linear-gradient(90deg, var(--mg-purple-deep), var(--mg-purple)); }
.ribbon-gold   { background: linear-gradient(90deg, var(--mg-gold),       var(--mg-gold-deep)); }
.ribbon-green  { background: linear-gradient(90deg, var(--mg-green),      var(--mg-green-deep)); }

/* ---------- Header ---------- */

header {
  padding: 28px 0 20px;
  text-align: center;
}

.wordmark {
  display: block;
  margin: 0 auto 14px;
  width: 280px;
  max-width: 80%;
  height: auto;
  /* The PNG ships with crisp edges; render it smoothly when scaled. */
  image-rendering: -webkit-optimize-contrast;
}

.eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  font-weight: 700;
  color: var(--mg-purple);
  margin: 4px 0 6px;
  position: relative;
  display: inline-block;
  padding: 0 14px;
}
.eyebrow::before,
.eyebrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--mg-gold-deep), transparent);
}
.eyebrow::before { right: 100%; }
.eyebrow::after  { left:  100%; }

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0.2px;
  color: var(--ink);
}

.subtitle {
  margin: 8px auto 0;
  font-size: 14px;
  color: var(--muted);
  max-width: 42ch;
}

/* ---------- Security note ---------- */

.security-note {
  background: linear-gradient(180deg, var(--mg-purple-soft) 0%, #faf6fd 100%);
  border: 1px solid #d9c6e9;
  border-left: 3px solid var(--mg-purple);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 13px;
  color: var(--mg-purple-deep);
  margin: 4px 0 22px;
  line-height: 1.5;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.security-note .lock {
  flex: 0 0 auto;
  color: var(--mg-purple);
  margin-top: 2px;
}
.security-note strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 1px;
}

/* ---------- Form ---------- */

form { display: flex; flex-direction: column; gap: 14px; }

/* Drop zone */
#drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
  padding: 38px 18px;
  border: 2px dashed #d9c6e9;
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(45deg,
      rgba(88,42,134,0.015) 0 12px,
      transparent 12px 24px),
    #fdfbf5;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition),
              transform var(--transition);
}
#drop-zone:hover,
#drop-zone:focus-visible,
#drop-zone.drag {
  border-color: var(--mg-purple);
  background:
    repeating-linear-gradient(45deg,
      rgba(88,42,134,0.025) 0 12px,
      transparent 12px 24px),
    #faf3fb;
  outline: none;
}
#drop-zone.drag { transform: translateY(-1px); }

.drop-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(135deg, var(--mg-purple) 0%, var(--mg-purple-deep) 100%);
  box-shadow:
    0 6px 14px rgba(88,42,134,0.25),
    inset 0 1px 0 rgba(255,255,255,0.25);
}

.drop-text strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  font-weight: 600;
}
.drop-text strong code {
  background: var(--mg-gold-soft);
  color: var(--mg-purple-deep);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 13px;
}
.drop-text span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

/* Selected file pill */
.file-info {
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--mg-gold-soft);
  border: 1px solid #ecd577;
  border-radius: var(--radius-sm);
  padding: 8px 10px 8px 8px;
  font-size: 13.5px;
}
.file-glyph {
  background: linear-gradient(135deg, var(--mg-green) 0%, var(--mg-green-deep) 100%);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.6px;
  padding: 5px 7px;
  border-radius: 6px;
}
.filename {
  flex: 1;
  color: var(--ink);
  font-weight: 500;
  word-break: break-all;
}
.link-btn {
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 4px;
}
.link-btn:hover { color: var(--danger); background: rgba(168,38,26,0.06); }

/* Submit button — Mardi Gras gold with purple text */
button[type="submit"] {
  background: linear-gradient(180deg, #FFE17A 0%, var(--mg-gold) 60%, var(--mg-gold-deep) 100%);
  color: var(--mg-purple-deep);
  border: 0;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  box-shadow:
    0 6px 14px rgba(201, 160, 7, 0.30),
    inset 0 1px 0 rgba(255,255,255,0.6),
    inset 0 -2px 0 rgba(0,0,0,0.08);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
button[type="submit"]:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow:
    0 10px 22px rgba(201, 160, 7, 0.32),
    inset 0 1px 0 rgba(255,255,255,0.6);
}
button[type="submit"]:active:not(:disabled) {
  transform: translateY(0);
  filter: brightness(0.98);
}
button[type="submit"]:disabled {
  background: linear-gradient(180deg, #e5dbc6 0%, #c8bfa9 100%);
  color: #7a6f57;
  box-shadow: none;
  cursor: not-allowed;
}

.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(88,42,134,0.25);
  border-top-color: var(--mg-purple-deep);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Status */
.status {
  min-height: 1.2em;
  font-size: 13.5px;
  text-align: center;
  color: var(--muted);
}
.status.error { color: var(--danger); }
.status.ok    {
  color: var(--mg-green-deep);
  font-weight: 600;
}

/* Footer */
footer {
  margin-top: 22px;
  text-align: center;
  color: var(--muted);
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}
footer code {
  background: rgba(88, 42, 134, 0.06);
  color: var(--mg-purple);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
}

/* Small screens */
@media (max-width: 480px) {
  body { padding: 16px 8px; }
  .card { padding: 0 22px 24px; }
  .ribbon { margin: 0 -22px; }
  h1 { font-size: 20px; }
  .wordmark { width: 230px; }
  header { padding: 22px 0 16px; }
}