/* ============================================================
   FLUXIFY — Design system
   Conceito: "radar de ofertas escaladas" — sala de inteligencia
   competitiva, dark, tecnico, dados em evidencia.
   ============================================================ */

:root {
    /* Cores */
    --bg:           #0B0E14;
    --bg-panel:     #131822;
    --bg-panel-2:   #1A2030;
    --border:       #232B3D;
    --text:         #E8ECF1;
    --text-muted:   #8A93A6;
    --signal:       #00FF9D;   /* sinal ativo / oferta escalada */
    --signal-dim:   #00FF9D26;
    --primary:      #3B82F6;   /* acoes principais */
    --primary-dim:  #3B82F61f;
    --amber:        #FFB020;   /* premium / cadeado */
    --amber-dim:    #FFB02022;
    --danger:       #FF5C5C;

    /* Tipografia */
    --font-display: 'Sora', sans-serif;
    --font-body:    'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;

    --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    margin: 0;
    letter-spacing: -0.01em;
}

.mono { font-family: var(--font-mono); }

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ---------- Topbar ---------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 28px;
    border-bottom: 1px solid var(--border);
    background: rgba(11,14,20,0.85);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 8px var(--signal); }

.topbar nav { display: flex; align-items: center; gap: 24px; }
.topbar .user-pill {
    display: flex; align-items: center; gap: 10px;
    font-size: 14px; color: var(--text-muted);
}

/* ---------- Botoes ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 22px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: transform .12s ease, opacity .12s ease, border-color .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { opacity: .9; }
.btn-signal { background: var(--signal); color: #04140E; }
.btn-signal:hover { opacity: .9; }
.btn-amber { background: var(--amber); color: #1A1300; }
.btn-amber:hover { opacity: .9; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--text-muted); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Hero / landing ---------- */
.hero {
    padding: 90px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero-eyebrow {
    font-family: var(--font-mono);
    color: var(--signal);
    font-size: 13px;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.hero h1 {
    font-size: 52px;
    line-height: 1.08;
    margin-bottom: 18px;
}
.hero h1 span { color: var(--signal); }
.hero p.lead {
    color: var(--text-muted);
    font-size: 18px;
    max-width: 580px;
    margin: 0 auto 34px;
}

/* Linha de "radar" — elemento de assinatura, sutil */
.radar-line {
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--signal), transparent);
    animation: sweep 4s ease-in-out infinite;
    opacity: .5;
}
@keyframes sweep { 0%{ top: 10%; opacity:0; } 50%{ opacity:.6; } 100%{ top: 95%; opacity:0; } }

/* ---------- Grid de ofertas ---------- */
.offers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 40px 0 10px;
}

.offer-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color .15s ease, transform .15s ease;
}
.offer-card:hover { border-color: #2E3850; transform: translateY(-2px); }

.offer-thumb {
    height: 160px;
    background: var(--bg-panel-2);
    background-size: cover;
    background-position: center;
    position: relative;
}
.offer-badge {
    position: absolute; top: 10px; left: 10px;
    background: var(--signal-dim);
    color: var(--signal);
    border: 1px solid var(--signal);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 6px;
}
.offer-featured {
    position: absolute; top: 10px; right: 10px;
    background: var(--amber-dim);
    color: var(--amber);
    border: 1px solid var(--amber);
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 6px;
}

.offer-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.offer-niche { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }
.offer-title { font-size: 16px; font-weight: 600; }
.offer-advertiser { font-size: 13px; color: var(--text-muted); }
.offer-cta { margin-top: auto; }

/* Card travado (premium) */
.offer-card.locked .offer-thumb,
.offer-card.locked .offer-body > *:not(.unlock-row) { filter: blur(6px); pointer-events: none; user-select: none; }
.offer-card.locked { position: relative; }

/* ---------- Paywall (cadeado ao rolar) ---------- */
.paywall {
    position: relative;
    margin-top: -90px;
    padding: 140px 0 70px;
    text-align: center;
    background: linear-gradient(180deg, rgba(11,14,20,0) 0%, var(--bg) 35%);
}
.paywall-lock {
    width: 56px; height: 56px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: var(--amber-dim);
    border: 1px solid var(--amber);
    display: flex; align-items: center; justify-content: center;
    color: var(--amber);
    font-size: 24px;
}
.paywall h2 { font-size: 28px; margin-bottom: 10px; }
.paywall p { color: var(--text-muted); margin-bottom: 26px; }

/* ---------- Planos ---------- */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}
.plan-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: left;
    cursor: pointer;
    transition: border-color .15s ease, transform .15s ease;
}
.plan-card:hover { transform: translateY(-2px); }
.plan-card.selected { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.plan-card.popular { border-color: var(--amber); }
.plan-name { font-family: var(--font-display); font-size: 18px; margin-bottom: 4px; }
.plan-tag { font-size: 12px; color: var(--amber); font-family: var(--font-mono); margin-bottom: 14px; display: inline-block; }
.plan-price { font-family: var(--font-mono); font-size: 32px; margin-bottom: 6px; }
.plan-price small { font-size: 14px; color: var(--text-muted); font-weight: 400; }
.plan-tagline { color: var(--text-muted); font-size: 13px; }

/* ---------- Formularios ---------- */
.auth-shell {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 24px;
}
.auth-card {
    width: 100%; max-width: 400px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
}
.auth-card h1 { font-size: 22px; margin-bottom: 6px; }
.auth-card .sub { color: var(--text-muted); font-size: 14px; margin-bottom: 26px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.field input, .field select {
    width: 100%;
    background: var(--bg-panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14px;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--primary); }

.card-element-box {
    background: var(--bg-panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
}
.card-element-box.focused { border-color: var(--primary); }

.form-error {
    background: #FF5C5C16;
    border: 1px solid var(--danger);
    color: var(--danger);
    font-size: 13px;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    display: none;
}
.form-error.show { display: block; }

.form-note { font-size: 13px; color: var(--text-muted); text-align: center; margin-top: 18px; }

/* ---------- Admin ---------- */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 230px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border);
    padding: 24px 18px;
    flex-shrink: 0;
}
.admin-sidebar .logo { margin-bottom: 30px; }
.admin-sidebar nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 4px;
}
.admin-sidebar nav a.active, .admin-sidebar nav a:hover { background: var(--bg-panel-2); color: var(--text); }
.admin-main { flex: 1; padding: 32px 36px; }
.admin-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 30px; }
.stat-card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-family: var(--font-mono); font-size: 28px; margin-top: 6px; }

.table-wrap { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; padding: 14px 18px; border-bottom: 1px solid var(--border); }
td { padding: 14px 18px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 6px; font-size: 12px; font-family: var(--font-mono); }
.badge-active { background: var(--signal-dim); color: var(--signal); }
.badge-inactive { background: #8A93A622; color: var(--text-muted); }
.badge-pastdue { background: var(--amber-dim); color: var(--amber); }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: none; align-items: center; justify-content: center; z-index: 100; }
.modal-overlay.show { display: flex; }
.modal { width: 100%; max-width: 480px; background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }

@media (max-width: 900px) {
    .offers-grid, .plans-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .admin-layout { flex-direction: column; }
}