:root {
    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-border: #e2e5ea;
    --color-text: #1c2230;
    --color-text-muted: #667085;
    --color-primary: #2f6f4f;
    --color-primary-dark: #244f38;
    --color-danger: #b3261e;
    --color-danger-bg: #fdecea;
    --color-success: #1b6e3c;
    --color-success-bg: #e8f6ec;
    --color-warning-bg: #fff4e5;
    --color-warning-text: #8a5300;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

/* ---- Navbar ---- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 24px;
}
.navbar-brand { font-weight: 700; font-size: 1.1rem; color: var(--color-primary-dark); }
.navbar-links a {
    margin-left: 20px;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}
.navbar-links a.active, .navbar-links a:hover { color: var(--color-primary-dark); text-decoration: none; }
.navbar-logout { color: var(--color-danger) !important; }

/* ---- Cards / surfaces ---- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
}
.card h2, .card h3 { margin-top: 0; }

.kpi-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.kpi-tile {
    flex: 1 1 180px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow);
}
.kpi-tile .kpi-value { font-size: 1.8rem; font-weight: 700; color: var(--color-primary-dark); }
.kpi-tile .kpi-label { font-size: 0.85rem; color: var(--color-text-muted); }

.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; margin-bottom: 20px; }
.chart-grid canvas { max-height: 280px; }

/* ---- Forms ---- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
}
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius);
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
}
.btn:hover { background: var(--color-primary-dark); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }

/* ---- Tables ---- */
table.data-table { width: 100%; border-collapse: collapse; }
table.data-table th, table.data-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}
table.data-table th { color: var(--color-text-muted); font-weight: 600; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge-novo { background: var(--color-success-bg); color: var(--color-success); }
.badge-recorrente { background: #eef1f5; color: var(--color-text-muted); }
.badge-stalled { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-waiting-lead { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-waiting-us { background: var(--color-danger-bg); color: var(--color-danger); }

/* ---- Botão de ícone (abre o modal de diagnóstico) ---- */
.icon-btn {
    background: none; border: 1px solid var(--color-border); border-radius: var(--radius);
    width: 36px; height: 32px; font-size: 1rem; line-height: 1;
    cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: #eef1f5; }

/* ---- Modal ---- */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(16, 24, 40, 0.5);
    display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
    background: var(--color-surface); border-radius: var(--radius);
    max-width: 560px; width: 90%; max-height: 80vh; overflow-y: auto;
    box-shadow: 0 10px 30px rgba(16, 24, 40, 0.25);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--color-border);
}
.modal-body { padding: 20px; white-space: pre-wrap; line-height: 1.5; }
.modal-section { margin-bottom: 16px; }
.modal-section:last-child { margin-bottom: 0; }
.modal-section strong { display: block; color: var(--color-primary-dark); font-size: 0.85rem; margin-bottom: 4px; }
.modal-section p { margin: 0; }
.modal-close {
    background: none; border: none; font-size: 1.4rem; line-height: 1;
    cursor: pointer; color: var(--color-text-muted);
}
.modal-close:hover { color: var(--color-text); }

/* ---- Progresso da análise ---- */
.progress-track {
    width: 100%; height: 10px; background: #eef1f5; border-radius: 999px; overflow: hidden;
}
.progress-fill {
    height: 100%; width: 0%; background: var(--color-primary);
    transition: width .3s ease;
}
.analysis-log {
    margin-top: 12px; max-height: 160px; overflow-y: auto;
    font-size: 0.85rem; color: var(--color-text-muted);
    background: #f9fafb; border-radius: var(--radius); padding: 10px 14px;
}
.analysis-log div { padding: 2px 0; }

/* ---- Flash messages ---- */
.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 0.95rem; }
.flash-error { background: var(--color-danger-bg); color: var(--color-danger); }
.flash-success { background: var(--color-success-bg); color: var(--color-success); }

/* ---- Upload dropzone ---- */
.dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 48px 20px;
    text-align: center;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: border-color .15s, background .15s;
}
.dropzone.dragover { border-color: var(--color-primary); background: var(--color-success-bg); }

/* ---- Auth page ---- */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-wrap { width: 100%; max-width: 380px; padding: 20px; }
.auth-card { background: var(--color-surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px; }
.auth-card h1 { font-size: 1.3rem; margin-top: 0; text-align: center; color: var(--color-primary-dark); }

.transcript { display: flex; flex-direction: column; gap: 8px; }
.msg { max-width: 70%; padding: 8px 14px; border-radius: 14px; font-size: 0.9rem; white-space: pre-wrap; }
.msg-inbound { align-self: flex-start; background: #eef1f5; }
.msg-outbound { align-self: flex-end; background: var(--color-success-bg); }
.msg-meta { font-size: 0.72rem; color: var(--color-text-muted); margin-top: 2px; }