:root {
    --bg: #eef2f6;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --ink: #111827;
    --muted: #667085;
    --line: #d7dee8;
    --brand: #0f766e;
    --brand-dark: #0b5f59;
    --brand-soft: #e6f5f3;
    --accent: #2563eb;
    --danger: #b42318;
    --danger-soft: #fee4e2;
    --success: #067647;
    --success-soft: #dcfae6;
    --shadow: 0 18px 48px rgba(15, 23, 42, .08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, .12), transparent 340px),
        linear-gradient(180deg, #f8fbfc 0, var(--bg) 360px),
        var(--bg);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
}

a {
    color: var(--brand-dark);
}

.topbar {
    background: #0b1220;
    border-right: 1px solid rgba(255, 255, 255, .08);
    bottom: 0;
    box-shadow: 18px 0 42px rgba(15, 23, 42, .12);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    gap: 24px;
    left: 0;
    padding: 24px 16px;
    position: fixed;
    top: 0;
    width: 248px;
    z-index: 10;
}

.topbar::before {
    background: linear-gradient(135deg, var(--brand), #22c55e);
    border-radius: 8px;
    content: "SDR";
    display: grid;
    font-size: 12px;
    font-weight: 800;
    height: 42px;
    letter-spacing: .08em;
    place-items: center;
    position: absolute;
    right: 18px;
    top: 24px;
    width: 42px;
}

.topbar nav {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 6px;
    min-height: 0;
}

.topbar nav a {
    align-items: center;
    border: 1px solid transparent;
    border-radius: 8px;
    color: #cbd5e1;
    display: flex;
    gap: 10px;
    font-size: 14px;
    font-weight: 700;
    min-height: 40px;
    padding: 10px 12px;
    text-decoration: none;
    transition: background .16s ease, color .16s ease, transform .16s ease;
}

.topbar nav a::before {
    align-items: center;
    background: rgba(255, 255, 255, .08);
    border-radius: 7px;
    color: #dbeafe;
    display: inline-flex;
    flex: 0 0 28px;
    font-size: 12px;
    font-weight: 800;
    height: 28px;
    justify-content: center;
    width: 28px;
}

.topbar nav a[href="dashboard.php"]::before { content: "D"; }
.topbar nav a[href="extractor.php"]::before { content: "E"; }
.topbar nav a[href="lists.php"]::before { content: "L"; }
.topbar nav a[href="leads.php"]::before { content: "L"; }
.topbar nav a[href="instances.php"]::before { content: "I"; }
.topbar nav a[href="settings.php"]::before { content: "C"; }
.topbar nav a[href="system_check.php"]::before { content: "X"; }
.topbar nav a[href="logout.php"]::before { content: "S"; background: rgba(180, 35, 24, .18); color: #fecaca; }

.topbar nav a:hover {
    background: rgba(255, 255, 255, .08);
    border-color: rgba(255, 255, 255, .12);
    color: #ffffff;
    transform: translateX(2px);
}

.topbar nav a.active {
    background: rgba(15, 118, 110, .24);
    border-color: rgba(45, 212, 191, .28);
    color: #ffffff;
}

.topbar nav a.active::before {
    background: var(--brand);
    color: #ffffff;
}

.topbar nav a[href="logout.php"] {
    color: #fecaca;
    margin-top: auto;
}

h1,
h2,
p {
    margin: 0;
}

h1 {
    font-size: 25px;
    letter-spacing: 0;
}

h2 {
    font-size: 18px;
    margin-bottom: 16px;
}

.topbar p,
small,
td span {
    color: var(--muted);
}

.topbar p {
    color: #94a3b8;
    line-height: 1.45;
    max-width: 178px;
}

.container {
    display: grid;
    gap: 18px;
    margin-left: 248px;
    padding: 20px clamp(20px, 3.6vw, 44px) 44px;
}

.narrow {
    margin: 0 0 0 248px;
    max-width: 780px;
    width: 100%;
}

.panel,
.table-wrap,
.alert,
.login-card {
    background: var(--surface);
    border: 1px solid rgba(215, 222, 232, .95);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.panel,
.login-card {
    padding: 22px;
}

.stack {
    display: grid;
    gap: 14px;
}

.form-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid button,
.form-grid .check-row {
    align-self: end;
}

label {
    color: #344054;
    display: grid;
    font-size: 13px;
    font-weight: 700;
    gap: 7px;
}

input,
textarea,
select {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 7px;
    color: var(--ink);
    font: inherit;
    outline: none;
    padding: 11px 12px;
    width: 100%;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, .14);
}

textarea {
    min-height: 84px;
    resize: vertical;
}

button,
.button-link {
    background: var(--brand);
    border: 1px solid var(--brand);
    border-radius: 7px;
    color: #ffffff;
    cursor: pointer;
    display: inline-block;
    font-weight: 700;
    padding: 10px 13px;
    text-align: center;
    text-decoration: none;
}

button:hover,
.button-link:hover {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
}

button:disabled {
    background: #98a2b3;
    border-color: #98a2b3;
    cursor: not-allowed;
}

.secondary-button {
    background: #ffffff;
    border-color: var(--line);
    color: #344054;
}

.secondary-button:hover {
    background: var(--surface-soft);
    border-color: #b9c4d2;
    color: var(--ink);
}

.danger-button {
    background: var(--danger-soft);
    border-color: var(--danger-soft);
    color: var(--danger);
}

.danger-button:hover {
    background: #fecdca;
    border-color: #fecdca;
    color: var(--danger);
}

.login-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 20px;
}

.login-card {
    display: grid;
    gap: 18px;
    max-width: 430px;
    width: 100%;
}

.alert {
    border-left: 4px solid currentColor;
    padding: 13px 15px;
}

.error {
    background: #fff7f6;
    color: var(--danger);
}

.success {
    background: #f4fbf7;
    color: var(--success);
}

.metrics {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.compact-metrics {
    grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
}

.metrics a,
.metrics div {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    display: grid;
    gap: 4px;
    padding: 15px 16px;
    text-decoration: none;
}

.metrics a.active {
    border-color: var(--brand);
    box-shadow: inset 0 0 0 1px var(--brand);
}

.metrics strong {
    font-size: 25px;
}

.metrics span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.table-wrap {
    overflow-x: auto;
    overflow-y: hidden;
}

.inline-form {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(220px, 1.1fr) minmax(180px, .9fr) minmax(180px, .9fr) auto;
}

.create-instance-form {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(220px, 1fr) 150px auto;
}

.section-title {
    display: grid;
    gap: 5px;
    margin-bottom: 16px;
}

.section-title p {
    color: var(--muted);
    line-height: 1.45;
}

.toolbar-panel {
    padding: 16px;
}

.filter-form {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(220px, 1fr) 180px auto auto;
}

.lead-form {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(5, minmax(0, 1fr)) auto;
}

.lead-form .wide,
.lead-edit .wide {
    grid-column: span 2;
}

.lead-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
}

.lead-card {
    background: var(--surface);
    border: 1px solid rgba(215, 222, 232, .95);
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 14px;
    padding: 18px;
}

.lead-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.lead-meta span {
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 9px;
}

.lead-edit {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dashboard-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checklist {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.checklist div {
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 4px;
    padding: 12px;
}

.checklist .ok {
    background: var(--success-soft);
    border-color: #abefc6;
}

.checklist .warn {
    background: #fff7ed;
    border-color: #fed7aa;
}

.checklist strong,
.funnel-list strong {
    color: var(--ink);
}

.checklist span,
.activity-list span {
    color: var(--muted);
    font-size: 13px;
}

.funnel-list,
.activity-list {
    display: grid;
    gap: 9px;
}

.funnel-list a,
.activity-list a,
.activity-list div {
    align-items: center;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    display: flex;
    gap: 12px;
    justify-content: space-between;
    padding: 11px 12px;
    text-decoration: none;
}

.activity-list a,
.activity-list div {
    align-items: flex-start;
    display: grid;
    justify-content: stretch;
}

.list-row-form {
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(130px, 1fr) minmax(110px, .8fr) minmax(110px, .8fr) auto;
    margin-bottom: 10px;
}

.check-row {
    align-items: center;
    display: flex;
    gap: 10px;
}

.check-row input {
    width: auto;
}

.campaign-box {
    display: grid;
    gap: 16px;
    max-width: 780px;
}

.lead-preview,
.qr-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 8px;
    padding: 16px;
}

.instance-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.instance-card {
    background: var(--surface);
    border: 1px solid rgba(215, 222, 232, .95);
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 16px;
    padding: 18px;
}

.instance-head {
    align-items: start;
    display: flex;
    gap: 12px;
    justify-content: space-between;
}

.instance-head strong,
.instance-head span {
    display: block;
}

.instance-head > div > span {
    color: var(--muted);
    font-size: 13px;
    margin-top: 5px;
}

.usage-bar {
    background: #e5e7eb;
    border-radius: 999px;
    height: 9px;
    overflow: hidden;
}

.usage-bar span {
    background: linear-gradient(90deg, var(--brand), #22c55e);
    display: block;
    height: 100%;
}

.instance-stats {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.instance-stats div {
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 3px;
    padding: 12px;
}

.instance-stats strong {
    font-size: 20px;
}

.instance-stats span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.instance-edit {
    align-items: end;
    display: grid;
    gap: 10px;
    grid-template-columns: minmax(0, 1fr) 110px auto;
}

.qr-panel {
    align-items: center;
    grid-template-columns: minmax(0, 1fr) auto;
}

.qr-panel img {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    max-width: 220px;
    padding: 10px;
    width: 100%;
}

pre {
    background: #0f172a;
    border-radius: 8px;
    color: #e5e7eb;
    max-width: 100%;
    overflow: auto;
    padding: 14px;
}

table {
    border-collapse: collapse;
    min-width: 980px;
    width: 100%;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 14px;
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--surface-soft);
    color: #475467;
    font-size: 12px;
    letter-spacing: .03em;
    text-transform: uppercase;
}

tbody tr {
    transition: background .14s ease;
}

tbody tr:hover {
    background: #fbfdfd;
}

td strong,
td span,
td small,
td a,
.row-result {
    display: block;
    margin-bottom: 6px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    min-width: 280px;
}

.actions form {
    margin: 0;
}

.pill {
    background: #eef2f6;
    border-radius: 999px;
    color: #344054;
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 8px;
    padding: 5px 9px;
}

.pill.good {
    background: var(--success-soft);
    color: var(--success);
}

.pill.neutral {
    background: #eef2f6;
    color: #475467;
}

.pill.warn {
    background: #fff7ed;
    color: #b54708;
}

.warn-inline {
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-left: 4px solid #f79009;
    border-radius: 8px;
    color: #b54708;
    padding: 11px 12px;
}

.text-danger {
    color: var(--danger) !important;
}

.hero-panel {
    align-items: center;
    display: flex;
    gap: 18px;
    justify-content: space-between;
}

.hero-panel > div:first-child {
    display: grid;
    gap: 8px;
}

.lead-mini-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.lead-mini-grid div {
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 5px;
    padding: 12px;
}

.lead-mini-grid span,
.lead-mini-grid small {
    color: var(--muted);
}

.empty,
.row-result {
    color: var(--muted);
}

@media (max-width: 860px) {
    .topbar {
        border-bottom: 1px solid rgba(255, 255, 255, .08);
        border-right: 0;
        bottom: auto;
        box-shadow: 0 14px 34px rgba(15, 23, 42, .14);
        gap: 14px;
        padding: 18px 16px 14px;
        position: static;
        width: auto;
    }

    .topbar::before {
        height: 36px;
        right: 16px;
        top: 16px;
        width: 36px;
    }

    .topbar p {
        max-width: calc(100vw - 90px);
    }

    .topbar nav {
        display: flex;
        flex: none;
        flex-direction: row;
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 2px;
        scrollbar-width: thin;
    }

    .topbar nav a {
        flex: 0 0 auto;
        min-height: 38px;
        padding: 8px 10px;
        white-space: nowrap;
    }

    .topbar nav a::before {
        flex-basis: 24px;
        height: 24px;
        width: 24px;
    }

    .topbar nav a[href="logout.php"] {
        margin-top: 0;
    }

    .container {
        margin-left: 0;
        padding: 18px 14px 34px;
    }

    .narrow {
        margin-left: 0;
        max-width: none;
    }

    .metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .inline-form,
    .create-instance-form,
    .form-grid,
    .instance-edit,
    .qr-panel,
    .filter-form,
    .lead-form,
    .lead-edit,
    .list-row-form {
        grid-template-columns: 1fr;
    }

    .lead-form .wide,
    .lead-edit .wide {
        grid-column: auto;
    }

    .instance-grid {
        grid-template-columns: 1fr;
    }

    .lead-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .hero-panel {
        align-items: stretch;
        flex-direction: column;
    }

    .actions {
        min-width: 0;
    }
}

.topbar nav a[href="campaigns.php"]::before { content: "P"; }
.topbar nav a[href="templates.php"]::before { content: "T"; }

.campaign-grid,
.template-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

.campaign-form,
.template-form {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.campaign-form button,
.template-form button {
    align-self: end;
}

.template-form .wide {
    grid-column: 1 / -1;
}

.campaign-edit {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.status-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.token-actions {
    border-top: 1px solid var(--line);
    margin-top: 18px;
    padding-top: 18px;
}

@media (max-width: 860px) {
    .campaign-grid,
    .template-grid,
    .campaign-form,
    .template-form,
    .campaign-edit {
        grid-template-columns: 1fr;
    }
}