/* =====================================================================
   LeadSite AI - Design System
   Fundo claro, azul escuro (#1E3A8A) + violeta (#7C3AED)
   ===================================================================== */

:root {
    --brand-primary: #1E3A8A;
    --brand-primary-dark: #172554;
    --brand-primary-light: #DBEAFE;
    --brand-accent: #7C3AED;
    --brand-accent-light: #EDE9FE;

    --ink-900: #0F172A;
    --ink-800: #1E293B;
    --ink-700: #334155;
    --ink-600: #475569;
    --ink-500: #64748B;
    --ink-400: #94A3B8;
    --ink-300: #CBD5E1;
    --ink-200: #E2E8F0;
    --ink-100: #F1F5F9;
    --ink-50:  #F8FAFC;

    --success: #059669;
    --success-bg: #ECFDF5;
    --warning: #D97706;
    --warning-bg: #FFFBEB;
    --danger: #DC2626;
    --danger-bg: #FEF2F2;
    --info: #0284C7;
    --info-bg: #F0F9FF;

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 18px;
    --radius-full: 999px;

    --shadow-xs: 0 1px 2px rgba(15, 23, 42, .06);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, .12);

    --sidebar-w: 244px;
    --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: var(--font);
    color: var(--ink-800);
    background: #F6F7FB;
    -webkit-font-smoothing: antialiased;
    line-height: 1.55;
    font-size: 15px;
}

a { color: var(--brand-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

h1, h2, h3, h4 { color: var(--ink-900); line-height: 1.25; margin: 0 0 12px; font-weight: 700; }
h1 { font-size: 32px; letter-spacing: -.5px; }
h2 { font-size: 26px; letter-spacing: -.3px; }
h3 { font-size: 19px; }
p { margin: 0 0 12px; color: var(--ink-600); }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 720px; }

/* ---------------------------------------------------------------- Botões */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 20px; border-radius: var(--radius); border: 1px solid transparent;
    font-family: inherit; font-size: 14.5px; font-weight: 600; cursor: pointer;
    transition: .18s ease; text-decoration: none; white-space: nowrap; line-height: 1.2;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn.is-loading { opacity: .6; cursor: not-allowed; transform: none; }

.btn-primary {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #fff; box-shadow: 0 6px 18px rgba(30, 58, 138, .26);
}
.btn-primary:hover { box-shadow: 0 10px 26px rgba(30, 58, 138, .34); }
.btn-secondary { background: #fff; color: var(--ink-800); border-color: var(--ink-200); box-shadow: var(--shadow-xs); }
.btn-secondary:hover { border-color: var(--ink-300); background: var(--ink-50); }
.btn-ghost { background: transparent; color: var(--ink-600); }
.btn-ghost:hover { background: var(--ink-100); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.4); }
.btn-sm { padding: 7px 13px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { padding: 15px 30px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-icon { padding: 8px; width: 36px; height: 36px; }

/* ---------------------------------------------------------------- Badges */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 10px; border-radius: var(--radius-full);
    font-size: 12px; font-weight: 600; white-space: nowrap;
    background: var(--ink-100); color: var(--ink-600);
}
.badge-green  { background: var(--success-bg); color: var(--success); }
.badge-red    { background: var(--danger-bg);  color: var(--danger); }
.badge-amber  { background: var(--warning-bg); color: var(--warning); }
.badge-blue   { background: var(--info-bg);    color: var(--info); }
.badge-indigo { background: var(--brand-primary-light); color: var(--brand-primary); }
.badge-violet { background: var(--brand-accent-light);  color: var(--brand-accent); }
.badge-gray   { background: var(--ink-100); color: var(--ink-600); }

/* ---------------------------------------------------------------- Cards */
.card {
    background: #fff; border: 1px solid var(--ink-200);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
    padding: 22px; margin-bottom: 20px;
}
.card-header {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    margin: -22px -22px 18px; padding: 16px 22px; border-bottom: 1px solid var(--ink-200);
}
.card-header h3 { margin: 0; font-size: 16px; }
.card-title { font-size: 16px; margin: 0 0 4px; }
.card-subtitle { font-size: 13.5px; color: var(--ink-500); margin: 0; }
.card-flat { box-shadow: none; }

/* ---------------------------------------------------------------- Forms */
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

label {
    display: block; font-size: 13.5px; font-weight: 600;
    color: var(--ink-700); margin-bottom: 6px;
}
.label-hint { font-weight: 400; color: var(--ink-400); font-size: 12.5px; }

input[type=text], input[type=email], input[type=password], input[type=tel],
input[type=number], input[type=url], input[type=search], input[type=date],
input[type=datetime-local], select, textarea {
    width: 100%; padding: 11px 13px; border: 1px solid var(--ink-300);
    border-radius: var(--radius); font-family: inherit; font-size: 14.5px;
    color: var(--ink-900); background: #fff; transition: .15s;
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--brand-accent);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, .14);
}
textarea { resize: vertical; min-height: 90px; }
select { appearance: none; background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8.5 1.5 4h9z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 13px center; padding-right: 34px; }

.field-error { color: var(--danger); font-size: 13px; margin-top: 5px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 9px; font-size: 14px; color: var(--ink-600); }
.checkbox-row input { width: auto; margin-top: 3px; }

/* ---------------------------------------------------------------- Alerts */
.alert {
    padding: 13px 16px; border-radius: var(--radius); font-size: 14px;
    margin-bottom: 16px; border: 1px solid; display: flex; gap: 10px; align-items: flex-start;
}
.alert-success { background: var(--success-bg); border-color: #A7F3D0; color: #065F46; }
.alert-error   { background: var(--danger-bg);  border-color: #FECACA; color: #991B1B; }
.alert-warning { background: var(--warning-bg); border-color: #FDE68A; color: #92400E; }
.alert-info    { background: var(--info-bg);    border-color: #BAE6FD; color: #075985; }

/* ---------------------------------------------------------------- Landing */
.landing-nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ink-200);
}
.landing-nav .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px; gap: 20px;
}
.landing-links { display: flex; align-items: center; gap: 26px; }
.landing-links a { color: var(--ink-600); font-size: 14.5px; font-weight: 500; }
.landing-links a:hover { color: var(--brand-primary); text-decoration: none; }
.landing-nav-actions { display: flex; align-items: center; gap: 10px; }

.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink-900); letter-spacing: -.4px; }
.logo:hover { text-decoration: none; }
.logo-mark {
    width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #fff; font-size: 17px; font-weight: 800; box-shadow: var(--shadow-sm);
}
.logo span.accent { color: var(--brand-accent); }

.hero {
    position: relative; overflow: hidden; padding: 78px 0 90px;
    background:
        radial-gradient(900px 420px at 12% -10%, rgba(124,58,237,.14), transparent 60%),
        radial-gradient(800px 420px at 88% 0%, rgba(30,58,138,.14), transparent 60%),
        linear-gradient(180deg, #FFFFFF, #F6F7FB);
}
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.hero h1 { font-size: 44px; line-height: 1.14; letter-spacing: -1.2px; }
.hero .lead { font-size: 17.5px; color: var(--ink-600); max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-trust { display: flex; gap: 22px; margin-top: 30px; flex-wrap: wrap; }
.hero-trust div { font-size: 13px; color: var(--ink-500); display: flex; align-items: center; gap: 7px; }

.hero-visual { position: relative; }
.mockup {
    background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg); overflow: hidden;
}
.mockup-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: var(--ink-50); border-bottom: 1px solid var(--ink-200); }
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-300); }
.mockup-body { padding: 18px; display: grid; gap: 12px; }
.mockup-line { height: 11px; border-radius: 6px; background: var(--ink-100); }
.mockup-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mockup-tile { background: linear-gradient(135deg, var(--brand-primary-light), var(--brand-accent-light)); border-radius: var(--radius); height: 62px; }
.mockup-table { display: grid; gap: 8px; }
.mockup-row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 8px; }
.mockup-row div { height: 26px; border-radius: 7px; background: var(--ink-50); border: 1px solid var(--ink-200); }

.section { padding: 72px 0; }
.section-alt { background: #fff; }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 42px; }
.section-head .eyebrow {
    display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .8px;
    text-transform: uppercase; color: var(--brand-accent); margin-bottom: 10px;
}

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.step { background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-sm); }
.step-num {
    width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #fff; font-weight: 800; margin-bottom: 14px;
}
.feature { display: flex; gap: 13px; padding: 16px; background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius); }
.feature-icon {
    flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
    background: var(--brand-primary-light); color: var(--brand-primary); font-size: 17px;
}
.feature h4 { margin: 0 0 3px; font-size: 14.5px; }
.feature p { margin: 0; font-size: 13.5px; }

.plan {
    background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
    padding: 28px; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); position: relative;
}
.plan.featured { border-color: var(--brand-accent); box-shadow: 0 18px 46px rgba(124,58,237,.18); }
.plan-tag {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #fff; font-size: 11.5px; font-weight: 700; padding: 5px 14px; border-radius: var(--radius-full);
    letter-spacing: .4px;
}
.plan-price { font-size: 38px; font-weight: 800; color: var(--ink-900); letter-spacing: -1px; }
.plan-price small { font-size: 14px; font-weight: 600; color: var(--ink-400); }
.plan ul { list-style: none; padding: 0; margin: 18px 0 22px; display: grid; gap: 9px; }
.plan li { font-size: 14px; color: var(--ink-600); display: flex; gap: 9px; align-items: flex-start; }
.plan li::before { content: '✓'; color: var(--success); font-weight: 700; }

.faq-item { border: 1px solid var(--ink-200); border-radius: var(--radius); margin-bottom: 10px; background: #fff; overflow: hidden; }
.faq-item summary { padding: 15px 18px; cursor: pointer; font-weight: 600; font-size: 14.5px; color: var(--ink-800); list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; float: right; color: var(--brand-accent); font-size: 19px; line-height: 1; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 18px 16px; margin: 0; font-size: 14px; }

.footer { background: var(--brand-primary-dark); color: #C7D2FE; padding: 54px 0 26px; margin-top: 0; }
.footer h4 { color: #fff; font-size: 14.5px; margin-bottom: 12px; }
.footer a { color: #C7D2FE; font-size: 13.5px; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.footer-links { display: grid; gap: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 34px; padding-top: 20px; font-size: 12.5px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- Auth */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 40px 20px; background:
    radial-gradient(700px 380px at 15% 0%, rgba(124,58,237,.16), transparent 60%),
    radial-gradient(700px 380px at 85% 100%, rgba(30,58,138,.16), transparent 60%), #F6F7FB; }
.auth-card { width: 100%; max-width: 440px; background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 34px; }
.auth-card h1 { font-size: 25px; margin-bottom: 6px; }
.auth-card .muted { color: var(--ink-500); font-size: 14px; margin-bottom: 24px; }
.auth-foot { text-align: center; margin-top: 20px; font-size: 14px; color: var(--ink-500); }

/* ---------------------------------------------------------------- App shell */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w); flex: 0 0 var(--sidebar-w); background: var(--brand-primary-dark);
    color: #C7D2FE; padding: 18px 14px; display: flex; flex-direction: column; gap: 6px;
    position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar .logo { color: #fff; padding: 6px 8px 16px; }
.sidebar-nav { display: grid; gap: 3px; }
.sidebar-nav a {
    display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: 10px;
    color: #C7D2FE; font-size: 14px; font-weight: 500; transition: .15s;
}
.sidebar-nav a:hover { background: rgba(255,255,255,.09); color: #fff; text-decoration: none; }
.sidebar-nav a.active { background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent)); color: #fff; box-shadow: var(--shadow-sm); }
.sidebar-nav .nav-icon { width: 18px; text-align: center; font-size: 15px; }
.sidebar-section { font-size: 11px; text-transform: uppercase; letter-spacing: .9px; color: #818CF8; padding: 14px 12px 6px; font-weight: 700; }
.sidebar-foot { margin-top: auto; padding: 12px; font-size: 12px; color: #818CF8; border-top: 1px solid rgba(255,255,255,.1); }

.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
    background: #fff; border-bottom: 1px solid var(--ink-200); padding: 0 26px;
    height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 18px;
    position: sticky; top: 0; z-index: 20;
}
.topbar h1 { font-size: 19px; margin: 0; }
.topbar .sub { font-size: 12.5px; color: var(--ink-500); margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.avatar {
    width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent)); color: #fff;
    font-weight: 700; font-size: 14px;
}
.user-chip { display: flex; align-items: center; gap: 10px; font-size: 13.5px; }
.user-chip small { display: block; color: var(--ink-400); font-size: 11.5px; }

.app-content { padding: 24px 26px 60px; max-width: 1400px; width: 100%; }

/* ---------------------------------------------------------------- Stats */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 22px; }
.stat {
    background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
    padding: 18px; box-shadow: var(--shadow-xs); position: relative; overflow: hidden;
}
.stat::after { content: ''; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent)); }
.stat-label { font-size: 12.5px; color: var(--ink-500); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.stat-value { font-size: 30px; font-weight: 800; color: var(--ink-900); letter-spacing: -1px; margin: 6px 0 2px; }
.stat-foot { font-size: 12.5px; color: var(--ink-400); }
.stat-icon { position: absolute; right: 14px; top: 14px; font-size: 20px; opacity: .35; }

.progress { height: 8px; border-radius: var(--radius-full); background: var(--ink-100); overflow: hidden; }
.progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent)); }

.bar-chart { display: flex; align-items: flex-end; gap: 10px; height: 170px; padding-top: 10px; }
.bar-chart .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 7px; height: 100%; }
.bar-chart .bar i {
    display: block; width: 100%; border-radius: 8px 8px 0 0; min-height: 4px;
    background: linear-gradient(180deg, var(--brand-accent), var(--brand-primary));
    transition: .3s;
}
.bar-chart .bar small { font-size: 11.5px; color: var(--ink-400); }

/* ---------------------------------------------------------------- Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--ink-200); border-radius: var(--radius-lg); background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th {
    text-align: left; padding: 12px 14px; background: var(--ink-50);
    font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--ink-500);
    font-weight: 700; border-bottom: 1px solid var(--ink-200); white-space: nowrap;
}
table.data td { padding: 13px 14px; border-bottom: 1px solid var(--ink-100); vertical-align: middle; }
table.data tbody tr:hover { background: #FCFCFE; }
table.data tbody tr:last-child td { border-bottom: none; }
.cell-strong { font-weight: 600; color: var(--ink-900); }
.cell-muted { color: var(--ink-500); font-size: 13px; }
.table-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.empty-state { text-align: center; padding: 52px 24px; color: var(--ink-500); }
.empty-state .icon { font-size: 38px; margin-bottom: 10px; opacity: .5; }

.toolbar { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 18px; }
.toolbar .form-group { margin-bottom: 0; }
.toolbar-grow { flex: 1; min-width: 200px; }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 20px; }
.pagination a, .pagination span {
    min-width: 36px; height: 36px; display: grid; place-items: center; padding: 0 10px;
    border: 1px solid var(--ink-200); border-radius: var(--radius-sm); background: #fff;
    font-size: 13.5px; color: var(--ink-600);
}
.pagination .current { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; font-weight: 700; }

/* ---------------------------------------------------------------- Kanban */
.kanban { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 14px; align-items: flex-start; }
.kanban-col { flex: 0 0 268px; background: var(--ink-100); border-radius: var(--radius-lg); padding: 12px; min-height: 180px; }
.kanban-col-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-size: 13px; font-weight: 700; color: var(--ink-600); }
.kanban-col-head .count { background: #fff; border-radius: var(--radius-full); padding: 1px 9px; font-size: 11.5px; color: var(--ink-500); }
.kanban-card {
    background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius); padding: 12px;
    margin-bottom: 9px; box-shadow: var(--shadow-xs); cursor: grab; font-size: 13.5px;
}
.kanban-card:active { cursor: grabbing; }
.kanban-card h5 { margin: 0 0 5px; font-size: 14px; color: var(--ink-900); }
.kanban-card .meta { font-size: 12px; color: var(--ink-500); }
.kanban-card.dragging { opacity: .45; }
.kanban-col.over { outline: 2px dashed var(--brand-accent); outline-offset: -4px; }

/* ---------------------------------------------------------------- Modal / Toast */
.modal-backdrop {
    position: fixed; inset: 0; background: rgba(15,23,42,.55); backdrop-filter: blur(3px);
    display: none; align-items: center; justify-content: center; padding: 20px; z-index: 100;
}
.modal-backdrop.open { display: flex; }
.modal {
    background: #fff; border-radius: var(--radius-lg); width: 100%; max-width: 560px;
    max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); padding: 24px;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.modal-head h3 { margin: 0; }
.modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--ink-400); line-height: 1; }

#toast-area { position: fixed; right: 20px; bottom: 20px; display: grid; gap: 10px; z-index: 200; }
.toast {
    background: #fff; border: 1px solid var(--ink-200); border-left: 4px solid var(--brand-primary);
    border-radius: var(--radius); padding: 13px 16px; box-shadow: var(--shadow-md);
    font-size: 14px; min-width: 260px; max-width: 380px; animation: slideIn .25s ease;
}
.toast.success { border-left-color: var(--success); }
.toast.error   { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }

/* ---------------------------------------------------------------- Loading */
.spinner {
    width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; display: inline-block;
}
.spinner-dark { border-color: var(--ink-200); border-top-color: var(--brand-accent); }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton { background: linear-gradient(90deg, var(--ink-100), var(--ink-50), var(--ink-100)); background-size: 200% 100%; animation: shimmer 1.3s infinite; border-radius: 8px; height: 14px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.progress-log { font-family: ui-monospace, 'Cascadia Code', monospace; font-size: 12.5px; color: var(--ink-500); background: var(--ink-50); border: 1px solid var(--ink-200); border-radius: var(--radius); padding: 12px; min-height: 60px; }

/* ---------------------------------------------------------------- Painel demo */
.demo-note {
    background: var(--warning-bg); border: 1px solid #FDE68A; color: #92400E;
    padding: 10px 14px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px;
}
.preview-frame { border: 1px solid var(--ink-200); border-radius: var(--radius-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.preview-frame iframe { width: 100%; height: 560px; border: 0; display: block; }
.preview-frame.mobile iframe { width: 390px; height: 640px; margin: 0 auto; }

.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--ink-200); margin-bottom: 20px; flex-wrap: wrap; }
.tabs button {
    background: none; border: none; padding: 11px 16px; font-size: 14px; font-weight: 600;
    color: var(--ink-500); cursor: pointer; border-bottom: 2px solid transparent; font-family: inherit;
}
.tabs button.active { color: var(--brand-primary); border-bottom-color: var(--brand-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.kv { display: grid; grid-template-columns: 150px 1fr; gap: 8px 14px; font-size: 14px; }
.kv dt { color: var(--ink-500); font-weight: 600; }
.kv dd { margin: 0; color: var(--ink-800); }

.copy-field { display: flex; gap: 8px; }
.copy-field input { font-size: 13px; background: var(--ink-50); }

.chart-legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-500); margin-top: 10px; }
.chart-legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; margin-right: 6px; }

.mobile-toggle { display: none; }

/* ---------------------------------------------------------------- Responsivo */
@media (max-width: 1080px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .hero .container { grid-template-columns: 1fr; }
    .hero h1 { font-size: 34px; }
    .hero-visual { order: -1; }
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .landing-links { display: none; }

    .app-shell { flex-direction: column; }
    .sidebar {
        position: fixed; inset: 0 auto 0 0; z-index: 90; transform: translateX(-100%);
        transition: transform .22s ease; box-shadow: var(--shadow-lg);
    }
    .sidebar.open { transform: none; }
    .mobile-toggle { display: inline-flex; }
    .app-content { padding: 18px 16px 50px; }
    .topbar { padding: 0 16px; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .kv { grid-template-columns: 1fr; }
    .kv dt { margin-top: 6px; }
}

@media (max-width: 560px) {
    h1 { font-size: 26px; }
    .hero h1 { font-size: 28px; }
    .stat-grid { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .landing-nav-actions .btn-secondary { display: none; }
    .preview-frame.mobile iframe { width: 100%; }
}