/* Painel Caprara — estilos principais */
:root {
    --bg: #f7f7f5;
    --surface: #ffffff;
    --surface-2: #f3f3f0;
    --border: #e6e6e0;
    --border-strong: #d4d4cc;
    --text: #1c1c1c;
    --text-dim: #6a6a6a;
    --text-muted: #9a9a96;
    --accent: #003D7A;
    --accent-hover: #002A55;
    --accent-soft: #eaf1f9;
    --accent-soft-hover: #d8e6f4;
    --success: #16a34a;
    --success-soft: #dcfce7;
    --warn: #ca8a04;
    --warn-soft: #fef3c7;
    --danger: #dc2626;
    --danger-soft: #fee2e2;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.06), 0 12px 32px rgba(0,0,0,0.08);
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 14px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', system-ui, sans-serif;
    --mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
    --sidebar-w: 240px;
    --topbar-h: 56px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    font-size: 14.5px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
input, textarea, select, button { font: inherit; color: inherit; }
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ========== layout ========== */
.app {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    grid-template-areas:
        "sidebar topbar"
        "sidebar main";
    min-height: 100vh;
}
.topbar {
    grid-area: topbar;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky; top: 0; z-index: 10;
}
.topbar .breadcrumbs {
    flex: 1;
    color: var(--text-dim);
    font-size: 13.5px;
}
.topbar .user-menu {
    display: flex; align-items: center; gap: 10px;
    color: var(--text-dim);
    font-size: 13.5px;
}
.topbar .user-menu .avatar-circle {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--accent); color: #fff;
    display: grid; place-items: center;
    font-weight: 700; font-size: 12px;
}
.sidebar {
    grid-area: sidebar;
    background: #1c1c1c;
    color: #c8c8c4;
    padding: 16px 12px;
    display: flex; flex-direction: column;
    position: sticky; top: 0; height: 100vh;
    overflow-y: auto;
}
.sidebar .brand {
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    padding: 8px 12px 16px;
    letter-spacing: -0.2px;
    border-bottom: 1px solid #2c2c2c;
    margin-bottom: 12px;
}
.sidebar .brand .brand-sub {
    display: block;
    font-weight: 400;
    font-size: 11px;
    color: #888;
    margin-top: 2px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a {
    color: #c8c8c4;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.sidebar nav a:hover { background: #2a2a2a; color: #fff; text-decoration: none; }
.sidebar nav a.active { background: #2c2c2c; color: #fff; }
.sidebar nav .icon { width: 18px; opacity: 0.7; font-size: 15px; flex-shrink: 0; }
.sidebar .footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid #2c2c2c;
    font-size: 12px;
    color: #888;
}
.main {
    grid-area: main;
    padding: 32px 40px 80px;
    max-width: 1280px;
    width: 100%;
}

/* ========== headings ========== */
.page-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 0 0 24px;
    gap: 16px;
}
.page-title h1 {
    font-size: 26px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}
.page-title .subtitle {
    color: var(--text-dim);
    font-size: 14px;
    margin-top: 2px;
}
.page-title .actions { display: flex; gap: 8px; }

/* ========== cards ========== */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}
.card h2, .card h3 {
    margin-top: 0;
}
.card h2 {
    font-size: 17px;
    margin-bottom: 12px;
}
.card-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin-bottom: 24px;
}
.metric {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}
.metric .label {
    color: var(--text-dim);
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    margin-bottom: 6px;
}
.metric .value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.metric .delta { font-size: 13px; color: var(--success); margin-top: 4px; }
.metric .delta.neg { color: var(--danger); }

/* ========== buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s, color 0.12s;
    text-decoration: none;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn-primary {
    background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-danger { color: var(--danger); border-color: var(--danger); background: var(--surface); }
.btn-danger:hover { background: var(--danger-soft); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-lg { padding: 11px 20px; font-size: 15px; }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover { background: var(--surface-2); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ========== forms ========== */
.form-row { margin-bottom: 18px; }
.form-row label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}
.form-row .help {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-top: 4px;
}
.form-row input[type=text],
.form-row input[type=email],
.form-row input[type=password],
.form-row input[type=url],
.form-row input[type=number],
.form-row textarea,
.form-row select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.12s, box-shadow 0.12s;
}
.form-row textarea {
    font-family: var(--mono);
    font-size: 13px;
    min-height: 80px;
    resize: vertical;
    line-height: 1.5;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,61,122,0.12);
}
.form-row .error-msg {
    color: var(--danger);
    font-size: 12.5px;
    margin-top: 4px;
}
.form-row .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row .row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* color picker linha */
.color-row {
    display: grid;
    grid-template-columns: 200px 60px 1fr;
    gap: 12px;
    align-items: center;
    padding: 6px 0;
}
.color-row .swatch {
    width: 36px; height: 36px;
    border-radius: 6px;
    border: 1px solid var(--border-strong);
    cursor: pointer;
}
.color-row label { margin: 0; }

/* ========== tables ========== */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.table th {
    text-align: left;
    padding: 10px 14px;
    background: var(--surface-2);
    color: var(--text-dim);
    font-weight: 600;
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
}
.table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--surface-2); }

/* ========== badges/pills ========== */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    background: var(--surface-2);
    color: var(--text-dim);
}
.pill-success { background: var(--success-soft); color: var(--success); }
.pill-warn { background: var(--warn-soft); color: var(--warn); }
.pill-danger { background: var(--danger-soft); color: var(--danger); }
.pill-accent { background: var(--accent-soft); color: var(--accent); }
.pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.no-dot::before { display: none; }

/* ========== empty state ========== */
.empty {
    text-align: center;
    padding: 64px 24px;
    color: var(--text-dim);
}
.empty h3 { font-size: 17px; color: var(--text); margin: 0 0 6px; }
.empty p { margin: 0 0 16px; }

/* ========== flash ========== */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    border: 1px solid transparent;
    font-size: 13.5px;
}
.flash-success { background: var(--success-soft); border-color: var(--success); color: #14532d; }
.flash-danger  { background: var(--danger-soft);  border-color: var(--danger);  color: #7f1d1d; }
.flash-info    { background: var(--accent-soft);  border-color: var(--accent);  color: var(--accent); }

/* ========== login ========== */
.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: var(--bg);
    padding: 24px;
}
.login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow-lg);
}
.login-box .logo {
    text-align: center;
    margin-bottom: 28px;
}
.login-box .logo .title { font-size: 18px; font-weight: 700; }
.login-box .logo .sub { font-size: 12px; color: var(--text-dim); letter-spacing: 0.04em; text-transform: uppercase; }

/* ========== editor (chats) ========== */
.tabs {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
    overflow-x: auto;
}
.tabs a {
    padding: 10px 16px;
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    text-decoration: none;
    white-space: nowrap;
}
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); }
.tabs a.disabled { color: var(--text-muted); cursor: not-allowed; }

.editor-bar {
    position: sticky;
    bottom: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 12px 16px;
    margin: 32px -16px -32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -8px 24px rgba(0,0,0,0.04);
}

/* ========== preview chat (mini) ========== */
.chat-preview-wrap {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
}
.chat-preview {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

/* ========== utilidades ========== */
.row { display: flex; gap: 12px; align-items: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.col { display: flex; flex-direction: column; gap: 12px; }
.muted { color: var(--text-dim); }
.right { text-align: right; }
.mono { font-family: var(--mono); font-size: 13px; }
.kbd { font-family: var(--mono); font-size: 12px; background: var(--surface-2); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); }
.code-block {
    font-family: var(--mono);
    font-size: 13px;
    background: #1e1e1e;
    color: #e4e4e4;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    line-height: 1.5;
    white-space: pre;
}
.copy-btn {
    float: right;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    border-radius: 4px;
    padding: 2px 10px;
    font-size: 12px;
    cursor: pointer;
}
.copy-btn:hover { background: rgba(255,255,255,0.2); }

/* responsivo */
@media (max-width: 900px) {
    .app { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
    .sidebar { display: none; }
    .main { padding: 24px 16px 64px; }
}