@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f7f7fc;
  --surface: #ffffff;
  --text: #24233a;
  --muted: #85849a;
  --primary: #7162e8;
  --border: #eae9f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  font-size: 14px;
}

button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 245px;
  padding: 30px 19px;
  background: white;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 5;
}

.brand {
  font-size: 21px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  margin: 0 0 43px 6px;
}
.brand span { color: var(--primary); }

.side-label, .eyebrow {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.6px;
}

.side-label { margin: 0 0 15px 9px; }

.nav {
  text-align: left;
  border: 0;
  background: transparent;
  padding: 14px 13px;
  border-radius: 10px;
  color: #77768c;
  margin: 3px 0;
  transition: .2s;
}
.nav:hover, .nav.active {
  color: var(--primary);
  background: #f0edff;
}

.sidebar-bottom {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatar {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: #efedff;
  font-weight: 800;
}
.sidebar-bottom strong, .sidebar-bottom small { display: block; }
.sidebar-bottom small { margin-top: 5px; color: var(--muted); }

.main {
  margin-left: 245px;
  padding: 35px 5%;
  max-width: 1650px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  margin-bottom: 30px;
}
.topbar h1 { font-size: 27px; margin: 8px 0 0; }
.eyebrow { margin: 0; }

.model-pill, .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 10px 14px;
  font-size: 11px;
  color: #68677d;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #f0ad49;
}

.hero {
  background: linear-gradient(115deg, #eeebff, #f8f5ff 65%, #e7f3ff);
  border: 1px solid #e8e3ff;
  border-radius: 23px;
  padding: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 300px;
  overflow: hidden;
}
.hero h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.15; margin: 22px 0 14px; letter-spacing: -1.8px; }
.hero h2 span { color: var(--primary); }
.hero p { color: #77758c; max-width: 440px; line-height: 1.8; }
.hero-art {
  font-size: 145px;
  color: #8c7df0;
  padding: 0 30px;
  text-shadow: 10px 15px 45px #a99cf4;
  animation: float 4s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-12px) rotate(10deg); } }

.primary, .secondary {
  border: 0;
  border-radius: 10px;
  padding: 13px 17px;
  font-weight: 600;
  transition: .2s;
}
.primary {
  color: white;
  background: var(--primary);
  box-shadow: 0 5px 15px #7162e82a;
}
.primary:hover { background: #5d4ed3; transform: translateY(-1px); }
.secondary { color: #5f50c6; background: #f0edff; }
.secondary:hover { background: #e5e0ff; }
button:disabled { opacity: .6; cursor: wait; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 25px 0 35px;
}
.stat-card, .panel, .tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 17px;
}
.stat-card { padding: 22px; }
.stat-card > span { color: var(--primary); font-size: 22px; }
.stat-card p { color: var(--muted); margin: 16px 0 7px; }
.stat-card h2 { font-size: 25px; margin: 0; }

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  margin: 28px 0 18px;
}
.section-heading h2 { font-size: 20px; margin: 0 0 8px; }
.section-heading p { color: var(--muted); margin: 0; line-height: 1.6; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 17px;
}
.tool-card {
  position: relative;
  text-align: left;
  padding: 23px;
  color: var(--text);
  transition: .25s;
}
.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px #27204b0a;
  border-color: #d4cdfd;
}
.tool-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  font-size: 22px;
}
.purple { background: #eeeaff; color: #7764ed; }
.pink { background: #ffedf4; color: #df6899; }
.blue { background: #e8f3ff; color: #478cdb; }
.green { background: #e6f8ef; color: #36a576; }
.tool-card h3 { margin: 19px 0 8px; font-size: 16px; }
.tool-card p { color: var(--muted); line-height: 1.7; margin: 0; }
.arrow { position: absolute; top: 24px; right: 22px; color: var(--muted); }

.hidden { display: none !important; }
.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.panel { padding: 25px; min-width: 0; }
form label {
  display: block;
  margin-bottom: 18px;
  font-weight: 600;
  font-size: 12px;
}
input, textarea, select {
  display: block;
  width: 100%;
  margin-top: 9px;
  border: 1px solid #e6e4ef;
  border-radius: 9px;
  background: #fcfcff;
  color: var(--text);
  padding: 12px;
  outline: none;
  transition: .2s;
}
input:focus, textarea:focus, select:focus {
  border-color: #9688f3;
  box-shadow: 0 0 0 3px #8e7df018;
}
textarea { min-height: 105px; resize: vertical; line-height: 1.6; }
form .primary { width: 100%; }

.output-panel { min-height: 300px; }
.output-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.output-top h3 { margin: 0; }
.output-top .tag { font-size: 9px; }
.output {
  min-height: 200px;
  margin: 20px 0;
  padding: 17px;
  border-radius: 12px;
  background: #faf9ff;
  color: #545268;
  line-height: 1.9;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.output-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.invoice-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
}
.invoice-form .primary { grid-column: 1 / -1; }
.invoice-preview { margin-top: 20px; line-height: 1.8; overflow-wrap: anywhere; }
.invoice-table { width: 100%; border-collapse: collapse; margin: 18px 0; }
.invoice-table th, .invoice-table td { text-align: left; padding: 10px 5px; border-bottom: 1px solid var(--border); }
.invoice-table th:last-child, .invoice-table td:last-child { text-align: right; }

.saved-list { display: grid; gap: 12px; }
.saved-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
}
.saved-item p { color: var(--muted); font-size: 12px; }
.saved-item button { margin: 3px; }

footer {
  margin-top: 50px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.8;
}

.toast {
  position: fixed;
  bottom: 25px;
  right: 25px;
  max-width: calc(100vw - 50px);
  padding: 14px 20px;
  border-radius: 12px;
  background: #292541;
  color: white;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: .25s;
  z-index: 20;
}
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .sidebar { width: 205px; padding: 25px 13px; }
  .main { margin-left: 205px; padding: 25px 3%; }
  .hero { padding: 27px; }
  .hero-art { font-size: 90px; padding: 0; }
  .workspace { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .sidebar {
    position: sticky;
    top: 0;
    width: 100%;
    height: auto;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    display: block;
  }
  .brand { display: block; margin: 0 0 10px; font-size: 18px; }
  .side-label, .sidebar-bottom { display: none; }
  .nav {
    display: inline-block;
    padding: 9px;
    margin: 2px;
    font-size: 11px;
  }
  .main { margin: 0; padding: 20px 15px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .topbar h1 { font-size: 23px; }
  .hero { padding: 24px; min-height: auto; }
  .hero-art { display: none; }
  .hero h2 { font-size: 35px; }
  .stats { grid-template-columns: 1fr; gap: 10px; }
  .stat-card { padding: 16px; }
  .stat-card p { margin: 8px 0; }
  .tool-grid { grid-template-columns: 1fr; }
  .panel { padding: 18px; }
  .invoice-form { grid-template-columns: 1fr; }
  .invoice-form .primary { grid-column: auto; }
  .saved-item { align-items: flex-start; flex-direction: column; }
}

@media print {
  body * { visibility: hidden; }
  #invoiceOutput, #invoiceOutput * { visibility: visible; }
  #invoiceOutput {
    display: block !important;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    border: none;
  }
  #invoiceOutput button { display: none; }
}