/* Meta Ads Campaign Planner — professional Meta-branded theme */
:root {
  --meta-blue: #1877F2;
  --meta-blue-dark: #166fe5;
  --meta-blue-soft: #E7F3FF;
  --meta-blue-bg: #F0F2F5;
  --ink-900: #050505;
  --ink-700: #1c1e21;
  --ink-500: #65676B;
  --ink-300: #8a8d91;
  --line: #DADDE1;
  --line-soft: #E4E6EB;
  --white: #ffffff;
  --bg: #F6F8FB;
  --good: #31a24c;
  --warn: #f7b928;
  --bad: #e41e3f;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.07);
  --radius: 10px;
  --radius-lg: 14px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Helvetica, Arial, sans-serif;
  color: var(--ink-700);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.5;
}
h1, h2, h3, h4 { color: var(--ink-900); margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
.muted { color: var(--ink-500); }
.small { font-size: 13px; }
.hidden { display: none !important; }
.spacer { flex: 1; }
a { color: var(--meta-blue); }

/* TOPBAR */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px; background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, #1877F2, #0a5cd1);
  color: #fff; display: grid; place-items: center;
  font-weight: 800; font-size: 18px; letter-spacing: -.02em;
}
.brand-name { font-weight: 700; color: var(--ink-900); font-size: 15px; }
.brand-sub { font-size: 12px; color: var(--ink-500); margin-top: 1px; }
.topbar-actions { display: flex; gap: 8px; }
.badge {
  background: var(--meta-blue-soft); color: var(--meta-blue);
  font-size: 12px; padding: 4px 10px; border-radius: 999px; font-weight: 600;
}
.badge.live { background: #E8F7EE; color: #1f7c3a; }
.badge.ai { background: #F1ECFC; color: #6c47d1; }

/* MAIN */
main { padding: 28px; max-width: var(--maxw); margin: 0 auto; }
.view { display: none; }
.view.active { display: block; }

/* FORM SHELL */
.form-shell {
  display: grid; grid-template-columns: 280px 1fr; gap: 24px;
  background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.form-side {
  padding: 28px 22px;
  background: linear-gradient(180deg, #F8FAFE 0%, #fff 100%);
  border-right: 1px solid var(--line-soft);
}
.form-side h2 { font-size: 18px; margin-bottom: 6px; }
.form-side p { margin-bottom: 16px; }
.step-nav { list-style: none; margin: 0; padding: 0; counter-reset: stp; }
.step-nav li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 8px;
  font-size: 13px; color: var(--ink-500); cursor: default;
  counter-increment: stp;
}
.step-nav li::before {
  content: counter(stp);
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--line-soft); color: var(--ink-500);
  display: grid; place-items: center; font-weight: 700; font-size: 12px;
  flex-shrink: 0;
}
.step-nav li.active { background: var(--meta-blue-soft); color: var(--meta-blue); font-weight: 600; }
.step-nav li.active::before { background: var(--meta-blue); color: #fff; }
.step-nav li.done { color: var(--ink-700); }
.step-nav li.done::before { background: var(--good); color: #fff; content: "✓"; }

.form-main { padding: 32px 36px; min-height: 480px; display: flex; flex-direction: column; }
#form-steps { flex: 1; }
.step { display: none; }
.step.active { display: block; animation: fadeIn .25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.step h3 { font-size: 20px; margin-bottom: 4px; }
.step .step-desc { color: var(--ink-500); margin-bottom: 22px; font-size: 14px; }
.fields { display: grid; gap: 18px; }
.field label {
  display: block; font-weight: 600; color: var(--ink-700);
  font-size: 13.5px; margin-bottom: 6px;
}
.field label .opt { color: var(--ink-300); font-weight: 500; margin-left: 6px; font-size: 12px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 8px;
  font-family: inherit; font-size: 14px; color: var(--ink-900);
  background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
}
.field textarea { min-height: 90px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--meta-blue);
  box-shadow: 0 0 0 3px rgba(24, 119, 242, .15);
}
.field .hint { font-size: 12px; color: var(--ink-500); margin-top: 4px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-footer {
  display: flex; align-items: center; gap: 14px;
  padding-top: 22px; border-top: 1px solid var(--line-soft); margin-top: 22px;
}
.progress { flex: 1; height: 6px; background: var(--line-soft); border-radius: 999px; overflow: hidden; }
.progress .bar { height: 100%; width: 0; background: var(--meta-blue); transition: width .3s ease; }

/* BUTTONS */
.btn {
  border: none; cursor: pointer; padding: 9px 18px;
  font-size: 14px; font-weight: 600; border-radius: 8px;
  font-family: inherit; display: inline-flex; align-items: center; gap: 6px;
  transition: background .15s, transform .05s, box-shadow .15s;
}
.btn.primary { background: var(--meta-blue); color: #fff; }
.btn.primary:hover { background: var(--meta-blue-dark); }
.btn.primary:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--ink-700); border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--meta-blue-bg); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* LOADING */
.loading-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 48px 36px; text-align: center; box-shadow: var(--shadow-md);
  max-width: 560px; margin: 60px auto;
}
.spinner {
  width: 48px; height: 48px; margin: 0 auto 18px;
  border: 4px solid var(--meta-blue-soft);
  border-top-color: var(--meta-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.load-steps { list-style: none; padding: 0; margin: 18px 0 8px; text-align: left; max-width: 360px; margin-inline: auto; }
.load-steps li { padding: 8px 10px; color: var(--ink-500); font-size: 14px; border-radius: 6px; display: flex; align-items: center; gap: 10px; }
.load-steps li::before { content: "○"; color: var(--ink-300); }
.load-steps li.active { color: var(--meta-blue); font-weight: 600; background: var(--meta-blue-soft); }
.load-steps li.active::before { content: "●"; color: var(--meta-blue); }
.load-steps li.done { color: var(--ink-700); }
.load-steps li.done::before { content: "✓"; color: var(--good); font-weight: 700; }

/* REPORT */
.report-actions { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
#report { display: grid; gap: 18px; }

.report-header {
  background: linear-gradient(135deg, #1877F2 0%, #0a5cd1 100%);
  color: #fff; padding: 28px 32px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.report-header h1 { color: #fff; font-size: 26px; margin-bottom: 6px; letter-spacing: -.02em; }
.report-header .rh-sub { opacity: .9; font-size: 14px; }
.rh-meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px; margin-top: 22px;
}
.rh-meta .m { background: rgba(255,255,255,.13); padding: 12px 14px; border-radius: 10px; }
.rh-meta .m .k { font-size: 11px; opacity: .85; text-transform: uppercase; letter-spacing: .04em; }
.rh-meta .m .v { font-size: 15px; font-weight: 600; margin-top: 2px; }

.card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}
.card h2 {
  font-size: 18px; margin-bottom: 4px;
  display: flex; align-items: center; gap: 10px;
}
.card h2::before {
  content: ""; width: 4px; height: 18px; border-radius: 3px;
  background: var(--meta-blue); display: inline-block;
}
.card .card-sub { color: var(--ink-500); font-size: 13px; margin-bottom: 16px; }

.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}
.kpi {
  background: var(--meta-blue-soft); border-radius: 10px;
  padding: 14px 16px; border-left: 3px solid var(--meta-blue);
}
.kpi .k { font-size: 12px; color: var(--meta-blue); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.kpi .v { font-size: 18px; font-weight: 700; color: var(--ink-900); margin-top: 2px; }
.kpi .sub { font-size: 12px; color: var(--ink-500); margin-top: 2px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 820px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .form-shell { grid-template-columns: 1fr; }
  .form-side { border-right: none; border-bottom: 1px solid var(--line-soft); padding: 20px; }
  .form-main { padding: 22px; }
  .two-col { grid-template-columns: 1fr; }
}

.subcard {
  background: #fafbfc; border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 14px 16px;
}
.subcard h4 { font-size: 13px; color: var(--meta-blue); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 8px; }

.list-clean { list-style: none; padding: 0; margin: 0; }
.list-clean li {
  padding: 8px 0; border-bottom: 1px solid var(--line-soft);
  font-size: 14px; display: flex; gap: 10px; align-items: flex-start;
}
.list-clean li:last-child { border-bottom: none; }
.list-clean li::before {
  content: "▸"; color: var(--meta-blue); flex-shrink: 0; font-weight: 700;
}
.list-clean.check li::before { content: "✓"; color: var(--good); }
.list-clean.warn li::before { content: "!"; color: var(--warn); font-weight: 800; }
.list-clean.x li::before { content: "✗"; color: var(--bad); }

table.data {
  width: 100%; border-collapse: collapse; font-size: 13.5px;
}
table.data th, table.data td {
  text-align: left; padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
table.data th {
  background: var(--meta-blue-bg); color: var(--ink-700);
  font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .03em;
}
table.data tbody tr:hover { background: #FAFBFD; }

.pill {
  display: inline-block; background: var(--meta-blue-soft); color: var(--meta-blue);
  padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
  margin: 2px 4px 2px 0;
}
.pill.gray { background: var(--line-soft); color: var(--ink-700); }
.pill.good { background: #E8F7EE; color: var(--good); }
.pill.warn { background: #FFF4DA; color: #a06a00; }
.pill.bad { background: #FCE4E9; color: var(--bad); }

.persona {
  border: 1px solid var(--line-soft); border-radius: 10px; padding: 14px 16px;
  background: #FCFDFE;
}
.persona .p-name { font-weight: 700; color: var(--ink-900); font-size: 15px; margin-bottom: 4px; }
.persona .p-age { display: inline-block; background: var(--meta-blue); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 999px; margin-bottom: 8px; }
.persona .p-row { display: grid; grid-template-columns: 130px 1fr; gap: 8px; font-size: 13px; padding: 4px 0; border-bottom: 1px dashed var(--line-soft); }
.persona .p-row:last-child { border-bottom: none; }
.persona .p-row .p-k { color: var(--ink-500); font-weight: 600; }

.ad-block {
  border: 1px solid var(--line-soft); border-left: 3px solid var(--meta-blue);
  border-radius: 8px; padding: 12px 14px; background: #fff; margin-bottom: 10px;
  font-size: 14px; white-space: pre-wrap;
}
.ad-block .tag { font-size: 11px; color: var(--meta-blue); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; }

.sources { font-size: 12px; color: var(--ink-500); }
.sources a { color: var(--meta-blue); text-decoration: none; }
.sources a:hover { text-decoration: underline; }

.error-card {
  background: #fff; border: 1px solid var(--bad); border-radius: var(--radius-lg);
  padding: 32px; text-align: center; max-width: 520px; margin: 60px auto;
}
.error-card h2 { color: var(--bad); margin-bottom: 8px; }

.footer { text-align: center; color: var(--ink-300); font-size: 12px; padding: 24px; }

/* PRINT */
@media print {
  body { background: #fff; }
  .topbar, .footer, .no-print, .form-footer { display: none !important; }
  main { padding: 0; max-width: none; }
  .card { box-shadow: none; border: 1px solid #ddd; page-break-inside: avoid; }
  .report-header { background: #1877F2 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .kpi, .pill, .badge { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}