/* CirculaFlow — Painel Cliente
 * Paleta escura com acentos ciano/roxo, mobile-first
 */

:root {
    --bg:            #0a0a0f;
    --bg-elev:       #14141c;
    --bg-elev-2:     #1c1c2a;
    --border:        #2a2a3a;
    --text:          #f1f5f9;
    --text-muted:    #94a3b8;
    --text-dim:      #64748b;
    --primary:       #6366f1;
    --primary-hover: #4f46e5;
    --accent:        #06b6d4;
    --success:       #22c55e;
    --danger:        #ef4444;
    --warning:       #f59e0b;
    --radius:        14px;
    --radius-sm:     10px;
    --shadow-card:   0 2px 10px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
}

body {
    padding: 0;
    overflow-x: hidden;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 24px 20px;
    min-height: 100vh;
}

.brand {
    text-align: center;
    padding: 32px 0 40px;
}

.brand-logo {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.brand-tagline {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 6px;
}

/* ── Cards ─────────────────────────────────────────────────────────── */

.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-card);
}

.card h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.card-primary {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.08) 100%);
    border-color: var(--primary);
}

/* ── Forms ─────────────────────────────────────────────────────────── */

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 500;
}

.input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s, background 0.2s;
}

.input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-elev);
}

.input.codigo {
    text-align: center;
    letter-spacing: 8px;
    font-size: 22px;
    font-weight: 700;
}

/* ── Buttons ───────────────────────────────────────────────────────── */

.btn {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, transform 0.05s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }

.btn-secondary {
    background: var(--bg-elev-2);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    width: auto;
    padding: 10px 14px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Feedback ──────────────────────────────────────────────────────── */

.message {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
}

.message-success { background: rgba(34, 197, 94, 0.12);  border: 1px solid var(--success); color: #86efac; }
.message-error   { background: rgba(239, 68, 68, 0.12);  border: 1px solid var(--danger);  color: #fca5a5; }
.message-info    { background: rgba(6, 182, 212, 0.12);  border: 1px solid var(--accent);  color: #67e8f9; }

.hidden { display: none !important; }

/* ── Loading ───────────────────────────────────────────────────────── */

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Painel Dashboard ──────────────────────────────────────────────── */

.greeting {
    padding: 24px 0 20px;
}

.greeting-title {
    font-size: 24px;
    font-weight: 700;
}

.greeting-sub {
    color: var(--text-muted);
    margin-top: 4px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.kpi {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.kpi-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 22px;
    font-weight: 700;
}

.kpi-value.danger { color: var(--danger); }
.kpi-value.warning { color: var(--warning); }
.kpi-value.accent { color: var(--accent); }

/* ── Rank badge ────────────────────────────────────────────────────── */

.rank-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rank-bronze   { background: rgba(180, 83, 9, 0.2);   color: #fcd34d; }
.rank-prata    { background: rgba(148, 163, 184, 0.2); color: #e2e8f0; }
.rank-ouro     { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.rank-diamante { background: rgba(6, 182, 212, 0.2);  color: #67e8f9; }

/* ── Lista de parcelas ─────────────────────────────────────────────── */

.parcela-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.parcela-item:last-child { border-bottom: none; }

.parcela-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.parcela-label {
    font-weight: 600;
    font-size: 15px;
}

.parcela-data {
    color: var(--text-muted);
    font-size: 13px;
}

.parcela-valor {
    font-weight: 700;
    font-size: 16px;
}

.status-pill {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 6px;
}

.status-paga      { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.status-pendente  { background: rgba(148, 163, 184, 0.15); color: var(--text-muted); }
.status-atrasada  { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.status-refinanciada { background: rgba(99, 102, 241, 0.15); color: var(--primary); }

/* ── Footer ────────────────────────────────────────────────────────── */

.footer {
    text-align: center;
    padding: 24px 0 32px;
    color: var(--text-dim);
    font-size: 12px;
}

.footer a {
    color: var(--text-muted);
    text-decoration: none;
}