:root {
    --smcrm-bg: #f4f7fb;
    --smcrm-card: #ffffff;
    --smcrm-text: #172033;
    --smcrm-muted: #667085;
    --smcrm-border: #e4e9f1;
    --smcrm-primary: #2557d6;
    --smcrm-primary-dark: #1b43aa;
    --smcrm-sidebar: #111827;
    --smcrm-success: #087a55;
    --smcrm-danger: #b42318;
    --smcrm-warning: #8a4b00;
    --smcrm-radius: 14px;
}

* { box-sizing: border-box; }
body.smcrm-login-page,
body.smcrm-dashboard-page {
    margin: 0;
    background: var(--smcrm-bg);
    color: var(--smcrm-text);
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
body.smcrm-login-page a,
body.smcrm-dashboard-page a { text-decoration: none; }

.smcrm-login-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px;
    background:
        radial-gradient(circle at top left, rgba(37, 87, 214, .22), transparent 35%),
        linear-gradient(135deg, #eef3ff, #f9fbff 55%, #eef7f4);
}
.smcrm-login-card {
    width: min(100%, 460px);
    padding: 38px;
    background: rgba(255,255,255,.96);
    border: 1px solid rgba(255,255,255,.8);
    border-radius: 22px;
    box-shadow: 0 24px 80px rgba(23,32,51,.14);
}
.smcrm-login-logo,
.smcrm-brand-mark {
    display: inline-grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: var(--smcrm-primary);
    color: #fff;
    font-weight: 800;
    letter-spacing: -.03em;
}
.smcrm-login-card h1,
.smcrm-page-heading h1 { margin: 8px 0 10px; line-height: 1.15; }
.smcrm-login-card h1 { font-size: clamp(28px, 5vw, 38px); }
.smcrm-eyebrow {
    margin: 20px 0 0;
    color: var(--smcrm-primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.smcrm-muted,
.smcrm-page-heading p,
.smcrm-card p,
.smcrm-help { color: var(--smcrm-muted); }
.smcrm-login-form,
.smcrm-form { display: grid; gap: 14px; }
.smcrm-login-form { margin-top: 24px; }
.smcrm-login-form label,
.smcrm-form label { font-size: 13px; font-weight: 600; }
.smcrm-login-form input,
.smcrm-form input,
.smcrm-form textarea,
.smcrm-search-form input {
    width: 100%;
    min-height: 46px;
    padding: 10px 13px;
    border: 1px solid #cfd7e5;
    border-radius: 10px;
    background: #fff;
    color: var(--smcrm-text);
    font: inherit;
}
.smcrm-login-form input:focus,
.smcrm-form input:focus,
.smcrm-form textarea:focus,
.smcrm-search-form input:focus {
    outline: 3px solid rgba(37,87,214,.14);
    border-color: var(--smcrm-primary);
}
.smcrm-checkbox { display: flex; align-items: center; gap: 9px; color: var(--smcrm-muted); }
.smcrm-checkbox input { width: auto; min-height: 0; }
.smcrm-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 17px;
    border: 0;
    border-radius: 10px;
    background: var(--smcrm-primary);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: .18s ease;
}
.smcrm-button:hover { background: var(--smcrm-primary-dark); color: #fff; transform: translateY(-1px); }
.smcrm-button:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.smcrm-button-block { width: 100%; }
.smcrm-button-secondary { background: #edf2ff; color: #244899; }
.smcrm-button-secondary:hover { background: #dfe8ff; color: #173778; }

.smcrm-app { min-height: 100vh; display: grid; grid-template-columns: 260px minmax(0, 1fr); }
.smcrm-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 40;
    width: 260px;
    display: flex;
    flex-direction: column;
    padding: 24px 18px;
    background: var(--smcrm-sidebar);
    color: #fff;
}
.smcrm-brand { display: flex; align-items: center; gap: 12px; padding: 3px 6px 26px; }
.smcrm-brand strong { display: block; font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.smcrm-brand small { display: block; margin-top: 2px; color: #98a2b3; font-size: 12px; line-height: 1.35; }
.smcrm-nav { display: grid; gap: 6px; }
.smcrm-nav a,
.smcrm-logout {
    padding: 11px 13px;
    border-radius: 9px;
    color: #cbd5e1;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0;
}
.smcrm-nav a:hover,
.smcrm-nav a.is-active { background: #243044; color: #fff; }
.smcrm-logout { margin-top: auto; border: 1px solid #344054; text-align: center; }
.smcrm-main { grid-column: 2; min-width: 0; }
.smcrm-topbar {
    min-height: 72px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    padding: 12px 34px;
    background: #fff;
    border-bottom: 1px solid var(--smcrm-border);
}
.smcrm-topbar strong,
.smcrm-topbar small { display: block; text-align: right; }
.smcrm-topbar small { color: var(--smcrm-muted); margin-top: 2px; }
.smcrm-menu-button { display: none; margin-right: auto; border: 0; background: transparent; font-size: 26px; cursor: pointer; }
.smcrm-content { max-width: 1440px; margin: 0 auto; padding: 34px; }
.smcrm-page-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 26px; }
.smcrm-page-heading h1 { font-size: clamp(28px, 3vw, 36px); font-weight: 700; letter-spacing: -.025em; }
.smcrm-page-heading p { max-width: 760px; margin: 0; }
.smcrm-heading-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.smcrm-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.smcrm-stat,
.smcrm-card {
    background: var(--smcrm-card);
    border: 1px solid var(--smcrm-border);
    border-radius: var(--smcrm-radius);
    box-shadow: 0 6px 22px rgba(23,32,51,.04);
}
.smcrm-stat { padding: 22px; }
.smcrm-stat span { display: block; color: var(--smcrm-muted); font-size: 13px; }
.smcrm-stat strong { display: block; margin-top: 10px; font-size: 30px; }
.smcrm-card { padding: 24px; }
.smcrm-card h2 { margin-top: 0; font-size: 20px; font-weight: 650; letter-spacing: -.015em; }
.smcrm-grid-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.smcrm-steps { margin: 0; padding-left: 22px; color: var(--smcrm-muted); }
.smcrm-steps li + li { margin-top: 10px; }
.smcrm-link { color: var(--smcrm-primary); font-weight: 600; }
.smcrm-alert,
.smcrm-warning { margin-bottom: 20px; padding: 14px 16px; border-radius: 10px; }
.smcrm-alert-success { background: #ecfdf3; border: 1px solid #abefc6; color: var(--smcrm-success); }
.smcrm-alert-error { background: #fef3f2; border: 1px solid #fecdca; color: var(--smcrm-danger); }
.smcrm-warning { background: #fff8eb; border: 1px solid #fedf89; color: var(--smcrm-warning); }
.smcrm-import-stats { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 9px; font-size: 13px; }
.smcrm-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.smcrm-form-grid > div { display: grid; gap: 7px; }
.smcrm-help { margin: -5px 0 3px; font-size: 12px; line-height: 1.55; }
.smcrm-search-form { display: flex; gap: 10px; margin-bottom: 16px; }
.smcrm-search-form input { max-width: 450px; }
.smcrm-table-wrap { overflow-x: auto; border: 1px solid var(--smcrm-border); border-radius: var(--smcrm-radius); background: #fff; }
.smcrm-table { width: 100%; border-collapse: collapse; min-width: 850px; }
.smcrm-table th,
.smcrm-table td { padding: 14px 15px; border-bottom: 1px solid var(--smcrm-border); text-align: left; font-size: 13px; vertical-align: top; }
.smcrm-table th { background: #f8fafc; color: #475467; font-size: 12px; font-weight: 700; text-transform: none; letter-spacing: .01em; }
.smcrm-table tbody tr:last-child td { border-bottom: 0; }
.smcrm-status { display: inline-flex; padding: 5px 9px; border-radius: 99px; background: #eef2f6; color: #344054; font-size: 11px; font-weight: 800; }
.smcrm-status-active,
.smcrm-status-sent,
.smcrm-status-completed { background: #ecfdf3; color: #067647; }
.smcrm-status-unsubscribed,
.smcrm-status-failed,
.smcrm-status-cancelled { background: #fef3f2; color: #b42318; }
.smcrm-status-queued,
.smcrm-status-sending,
.smcrm-status-pending,
.smcrm-status-processing { background: #eff4ff; color: #3538cd; }
.smcrm-pagination { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.smcrm-pagination a { min-width: 36px; padding: 7px 10px; border: 1px solid var(--smcrm-border); border-radius: 8px; background: #fff; color: var(--smcrm-text); text-align: center; }
.smcrm-pagination a.is-current { background: var(--smcrm-primary); color: #fff; border-color: var(--smcrm-primary); }


.smcrm-sidebar { padding: 22px 16px; }
.smcrm-nav { gap: 4px; }
.smcrm-nav a { padding: 10px 12px; }
.smcrm-nav a.is-active { box-shadow: inset 3px 0 0 #5b82f6; }
.smcrm-content { padding-top: 30px; }
.smcrm-page-heading p { line-height: 1.65; }
.smcrm-form label { color: #344054; }
.smcrm-table td { line-height: 1.5; }
.smcrm-stat span { font-weight: 600; }
.smcrm-stat strong { font-size: 28px; font-weight: 700; letter-spacing: -.02em; }
.smcrm-button { letter-spacing: 0; }

@media (max-width: 1000px) {
    .smcrm-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .smcrm-grid-two { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    .smcrm-app { display: block; }
    .smcrm-sidebar { transform: translateX(-102%); transition: transform .2s ease; box-shadow: 20px 0 50px rgba(0,0,0,.18); }
    .smcrm-menu-open .smcrm-sidebar { transform: translateX(0); }
    .smcrm-main { min-height: 100vh; }
    .smcrm-menu-button { display: block; }
    .smcrm-topbar { padding: 12px 18px; }
    .smcrm-content { padding: 24px 16px; }
    .smcrm-page-heading { display: grid; }
    .smcrm-stats,
    .smcrm-form-grid { grid-template-columns: 1fr; }
    .smcrm-search-form { display: grid; }
    .smcrm-search-form input { max-width: none; }
    .smcrm-login-card { padding: 28px 22px; }
}

/* Sheet/list and reusable draft workflow */
.smcrm-form select,
.smcrm-search-form select {
    width: 100%;
    min-height: 46px;
    padding: 10px 38px 10px 13px;
    border: 1px solid #cfd7e5;
    border-radius: 10px;
    background: #fff;
    color: var(--smcrm-text);
    font: inherit;
}
.smcrm-form select:focus,
.smcrm-search-form select:focus {
    outline: 3px solid rgba(37,87,214,.14);
    border-color: var(--smcrm-primary);
}
.smcrm-filter-form { flex-wrap: wrap; }
.smcrm-filter-form select { max-width: 310px; }
.smcrm-grid-top { align-items: start; margin-bottom: 28px; }
.smcrm-section-heading { display: flex; align-items: center; justify-content: space-between; margin: 30px 0 14px; }
.smcrm-section-heading h2 { margin: 0; }
.smcrm-code-example {
    padding: 14px 16px;
    margin: 16px 0;
    border: 1px solid var(--smcrm-border);
    border-radius: 10px;
    background: #f8fafc;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 13px;
    overflow-x: auto;
}
.smcrm-selection-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.smcrm-selection-grid > div { display: grid; gap: 7px; }
.smcrm-recipient-summary {
    display: flex;
    align-items: baseline;
    gap: 9px;
    padding: 16px;
    border: 1px solid #c7d7fe;
    border-radius: 11px;
    background: #eff4ff;
    color: #344054;
}
.smcrm-recipient-summary strong { font-size: 26px; color: #1d4ed8; }
.smcrm-checkbox-card {
    align-items: flex-start;
    padding: 15px;
    border: 1px solid var(--smcrm-border);
    border-radius: 10px;
    background: #f8fafc;
}
.smcrm-checkbox-card span { display: grid; gap: 4px; }
.smcrm-checkbox-card small { color: var(--smcrm-muted); line-height: 1.45; }
.smcrm-action-links { display: flex; gap: 12px; flex-wrap: wrap; }
.smcrm-danger-link { color: var(--smcrm-danger); }
.smcrm-campaign-table { min-width: 1260px; }

@media (max-width: 760px) {
    .smcrm-selection-grid { grid-template-columns: 1fr; }
    .smcrm-filter-form input,
    .smcrm-filter-form select,
    .smcrm-filter-form button { max-width: none; width: 100%; }
}

/* Multi-sender Gmail SMTP settings */
.smcrm-smtp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 720px; }
.smcrm-smtp-grid { display: grid; gap: 16px; }
.smcrm-smtp-account {
    padding: 18px;
    border: 1px solid var(--smcrm-border);
    border-radius: 12px;
    background: #f8fafc;
}
.smcrm-smtp-account.is-enabled { border-color: #b9cafb; background: #f5f8ff; }
.smcrm-smtp-account-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.smcrm-smtp-account-head strong { display: block; font-size: 15px; }
.smcrm-smtp-account-head small { display: block; margin-top: 4px; color: var(--smcrm-muted); }
.smcrm-smtp-toggle { margin: 0; white-space: nowrap; }
.smcrm-smtp-fields { display: grid; grid-template-columns: 1.25fr 1.25fr .8fr .65fr; gap: 14px; }
.smcrm-smtp-fields > div { display: grid; gap: 7px; align-content: start; }
.smcrm-sender-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.smcrm-sender-info { margin-bottom: 18px; }
.smcrm-sender-info strong { display: block; margin-bottom: 6px; }
.smcrm-sender-info p { margin: 0; color: var(--smcrm-muted); line-height: 1.6; }

.smcrm-smtp-test-row {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) auto;
    gap: 12px;
    align-items: end;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--smcrm-border);
}
.smcrm-smtp-test-row > div { display: grid; gap: 7px; }
.smcrm-smtp-test-button { min-height: 44px; white-space: nowrap; }
.smcrm-smtp-test-result {
    display: grid;
    gap: 5px;
    margin-top: 12px;
    padding: 12px 14px;
    border: 1px solid #bbf7d0;
    border-radius: 10px;
    background: #f0fdf4;
    color: #166534;
    line-height: 1.45;
}
.smcrm-smtp-test-result.is-error {
    border-color: #fecaca;
    background: #fff1f2;
    color: #991b1b;
}
.smcrm-smtp-test-result span,
.smcrm-smtp-test-result small { overflow-wrap: anywhere; }
.smcrm-smtp-error-detail { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 12px; }


.smcrm-sidebar { padding: 22px 16px; }
.smcrm-nav { gap: 4px; }
.smcrm-nav a { padding: 10px 12px; }
.smcrm-nav a.is-active { box-shadow: inset 3px 0 0 #5b82f6; }
.smcrm-content { padding-top: 30px; }
.smcrm-page-heading p { line-height: 1.65; }
.smcrm-form label { color: #344054; }
.smcrm-table td { line-height: 1.5; }
.smcrm-stat span { font-weight: 600; }
.smcrm-stat strong { font-size: 28px; font-weight: 700; letter-spacing: -.02em; }
.smcrm-button { letter-spacing: 0; }

@media (max-width: 1000px) {
    .smcrm-smtp-fields { grid-template-columns: 1fr 1fr; }
    .smcrm-sender-fields { grid-template-columns: 1fr 1fr; }
    .smcrm-smtp-test-row { grid-template-columns: 1fr auto; }
}

@media (max-width: 760px) {
    .smcrm-smtp-stats,
    .smcrm-smtp-fields { grid-template-columns: 1fr; }
    .smcrm-sender-fields { grid-template-columns: 1fr; }
    .smcrm-smtp-account-head { align-items: flex-start; }
    .smcrm-smtp-test-row { grid-template-columns: 1fr; }
    .smcrm-smtp-test-button { width: 100%; }
}

/* Dynamic sender directory (up to 50 accounts) */
.smcrm-sender-stats { max-width: none; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.smcrm-sender-table { min-width: 1120px; }
.smcrm-sender-table td strong { color: var(--smcrm-text); }
.smcrm-empty-state { display: grid; gap: 10px; justify-items: start; }
.smcrm-empty-state h2,
.smcrm-empty-state p { margin: 0; }
.smcrm-sender-form { max-width: 1040px; }
.smcrm-sender-form-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--smcrm-border); }
.smcrm-sender-form-head h2 { margin: 0; }
.smcrm-sender-edit-grid { margin-top: 4px; }

.smcrm-sidebar { padding: 22px 16px; }
.smcrm-nav { gap: 4px; }
.smcrm-nav a { padding: 10px 12px; }
.smcrm-nav a.is-active { box-shadow: inset 3px 0 0 #5b82f6; }
.smcrm-content { padding-top: 30px; }
.smcrm-page-heading p { line-height: 1.65; }
.smcrm-form label { color: #344054; }
.smcrm-table td { line-height: 1.5; }
.smcrm-stat span { font-weight: 600; }
.smcrm-stat strong { font-size: 28px; font-weight: 700; letter-spacing: -.02em; }
.smcrm-button { letter-spacing: 0; }

@media (max-width: 1000px) {
    .smcrm-sender-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .smcrm-sender-stats { grid-template-columns: 1fr; }
    .smcrm-sender-form-head { align-items: flex-start; }
}