:root {
  --green: #7ec800;
  --green-deep: #4e8500;
  --ink: #171a1c;
  --muted: #7c8383;
  --line: #dde1db;
  --soft: #f3f5f1;
  --paper: #ffffff;
  --canvas: #e9ede7;
  --mono: "DM Mono", monospace;
  --sans: "Manrope", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.app-shell { max-width: 1500px; min-height: 100vh; margin: 0 auto; background: var(--soft); }
.topbar { height: 76px; padding: 0 48px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #2d3430; background: #171a1c; }
.brand-lockup { display: flex; align-items: center; gap: 12px; }
.brand-plate { width: 164px; display: flex; align-items: center; }
.brand-plate img { width: 100%; height: auto; display: block; }
.brand-copy { line-height: .9; }
.brand-copy strong { display: block; font-style: italic; font-weight: 800; font-size: 11px; letter-spacing: -.4px; }
.topbar .brand-copy strong { color: #f5f7f3; }
.brand-copy em { color: var(--green); font-style: italic; }
.brand-copy small { display: block; margin-top: 7px; color: var(--muted); font-family: var(--mono); font-size: 7px; letter-spacing: 1.7px; }
.topbar .brand-copy small { color: #8c988d; }
.brand-mark { position: relative; display: inline-flex; align-items: center; justify-content: center; border: 4px solid var(--ink); border-radius: 50%; color: var(--green); font-size: 13px; font-weight: 800; letter-spacing: -1.2px; background: var(--paper); }
.brand-mark:before, .brand-mark:after { content: ""; position: absolute; border-radius: 50%; border: 2px solid transparent; border-top-color: var(--green); border-left-color: var(--green); transform: rotate(-28deg); }
.brand-mark:before { inset: -7px; }
.brand-mark:after { inset: 4px; border-right-color: var(--ink); border-bottom-color: var(--ink); transform: rotate(150deg); }
.brand-mark i { position: absolute; width: 2px; height: 7px; background: var(--ink); top: -7px; left: 5px; transform: rotate(35deg); }
.brand-mark--small { width: 37px; height: 37px; border-width: 3px; font-size: 10px; }
.topbar-meta { display: flex; align-items: center; gap: 9px; color: #a8b0aa; font-family: var(--mono); font-size: 10px; }
.status-dot { width: 7px; height: 7px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 4px #e1f4c3; }
.icon-button { width: 30px; height: 30px; margin-left: 16px; border: 1px solid #475149; border-radius: 50%; background: transparent; color: #e4e9e2; font-size: 13px; }
.icon-button:hover { border-color: var(--green-deep); color: var(--green-deep); }

main { padding: 0 48px 48px; }
.intro-section { min-height: 210px; padding: 60px 0 52px; display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.eyebrow, .panel-kicker, .palette-label { margin: 0 0 14px; color: var(--green-deep); font-family: var(--mono); font-size: 10px; letter-spacing: .9px; text-transform: uppercase; }
.eyebrow span { color: #a7aea6; margin-left: 12px; }
h1 { max-width: 650px; margin: 0; font-size: clamp(32px, 4vw, 58px); font-weight: 500; line-height: 1.01; letter-spacing: -2.8px; }
h1 span { color: var(--green-deep); }
.intro-copy { max-width: 560px; margin: 19px 0 0; color: #6e7671; font-size: 13px; line-height: 1.65; }
.intro-note { width: 232px; padding: 0 0 2px 20px; display: flex; align-items: start; gap: 13px; border-left: 1px solid #aab5a7; }
.note-index { color: var(--green-deep); font-family: var(--mono); font-size: 12px; font-weight: 500; }
.intro-note p { margin: 0; color: #687069; font-size: 11px; line-height: 1.6; }

.workspace-grid { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 20px; align-items: start; }
.control-panel, .preview-panel { border: 1px solid var(--line); background: var(--paper); }
.control-panel { padding: 27px 24px 21px; }
.panel-heading, .preview-header, .variant-header { display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.panel-heading h2, .preview-title-line h2, .variant-header h2 { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: -.4px; }
.panel-kicker { margin-bottom: 8px; font-size: 9px; letter-spacing: 1.2px; }
.completion, .variant-count { color: #a1aaa1; font-family: var(--mono); font-size: 9px; }
form { margin-top: 26px; }
label { display: block; margin-bottom: 14px; }
label > span { display: block; margin-bottom: 6px; color: #879087; font-family: var(--mono); font-size: 9px; }
input { width: 100%; height: 34px; padding: 0 10px; border: 1px solid #dce1da; border-radius: 2px; outline: none; background: #fbfcfa; color: #222827; font-size: 11px; transition: border-color .2s, box-shadow .2s; }
input:focus { border-color: var(--green); box-shadow: 0 0 0 3px #e7f5d1; }
.field-row { display: grid; grid-template-columns: 1.05fr .95fr; gap: 10px; }
.form-section-label { display: flex; align-items: center; gap: 8px; margin: 22px 0 14px; color: var(--green-deep); font-family: var(--mono); font-size: 9px; letter-spacing: 1px; text-transform: uppercase; }
.form-section-label:first-child { margin-top: 0; }
.form-section-label i { height: 1px; flex: 1; background: #e0e6dc; }
.file-field input { height: auto; padding: 8px 9px; color: #788178; font-size: 10px; }
.file-field input::file-selector-button { margin-right: 8px; padding: 5px 8px; border: 1px solid #cdd9c7; border-radius: 2px; background: #f4faed; color: #4e760d; font-size: 9px; cursor: pointer; }
.panel-rule { height: 1px; margin: 24px 0 21px; background: var(--line); }
.panel-heading--compact { margin-bottom: 14px; }
.theme-switcher { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.theme-button { height: 34px; display: flex; align-items: center; justify-content: center; gap: 7px; padding: 0 6px; border: 1px solid #d9dfd7; border-radius: 2px; background: white; color: #788077; font-size: 10px; }
.theme-button.is-active { border-color: var(--green); background: #f6fce9; color: #3b5e13; }
.swatch { width: 10px; height: 10px; display: inline-block; border: 1px solid #bbc4b9; border-radius: 50%; }
.swatch--light { background: #fff; }
.swatch--dark { border-color: #25292a; background: #171a1c; }
.panel-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 26px; }
.sync-label { color: #829082; font-family: var(--mono); font-size: 9px; }
.mini-check { display: inline-flex; align-items: center; justify-content: center; width: 15px; height: 15px; margin-right: 5px; border-radius: 50%; background: #e2f6c5; color: #5f9900; font-size: 10px; }
.reset-button { padding: 0; border: 0; background: transparent; color: #98a099; font-family: var(--mono); font-size: 9px; text-decoration: underline; text-underline-offset: 3px; }
.reset-button:hover { color: var(--green-deep); }

.preview-panel { min-width: 0; padding: 27px 29px 30px; }
.preview-title-line { display: flex; align-items: center; gap: 11px; }
.live-pill { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; color: #5a920b; border: 1px solid #d7e9bd; border-radius: 20px; background: #f5fbe9; font-family: var(--mono); font-size: 8px; }
.live-pill i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.preview-actions { display: flex; align-items: center; gap: 8px; }
.secondary-button, .primary-button { height: 33px; padding: 0 12px; border-radius: 2px; font-size: 10px; }
.secondary-button { border: 1px solid #d8ded6; background: white; color: #566158; }
.primary-button { border: 1px solid var(--green); background: var(--green); color: #173000; font-weight: 700; }
.secondary-button:hover, .primary-button:hover { transform: translateY(-1px); box-shadow: 0 3px 12px rgba(47,77,18,.12); }
.button-icon { margin-right: 5px; font-family: var(--mono); font-size: 10px; }
.email-window { margin-top: 22px; overflow: hidden; border: 1px solid #d8ddd8; border-radius: 4px; background: #fff; box-shadow: 0 12px 35px rgba(38,51,39,.08); }
.email-chrome { height: 40px; padding: 0 15px; display: flex; align-items: center; justify-content: space-between; background: #25292b; color: #b6bcb8; }
.window-controls, .window-actions { display: flex; align-items: center; gap: 11px; font-family: Arial, sans-serif; font-size: 16px; }
.window-controls span { width: 7px; height: 7px; display: block; border-radius: 50%; background: #5c6260; }
.email-label { margin-left: 31px; font-family: var(--mono); font-size: 10px; color: #e2e5e1; }
.window-actions { color: #8b918e; }
.email-fields { padding: 9px 17px 0; color: #89918b; font-family: var(--mono); font-size: 10px; }
.email-fields > div { height: 34px; display: flex; align-items: center; border-bottom: 1px solid #eef0ed; gap: 13px; }
.field-line { height: 1px; flex: 1; background: #f0f2ef; }
.email-body { min-height: 285px; padding: 24px 30px 15px; }
.email-placeholder { margin: 0 0 28px; color: #858c87; font-size: 11px; line-height: 1.65; }
.email-toolbar { height: 36px; padding: 0 16px; display: flex; align-items: center; gap: 18px; border-top: 1px solid #eef0ed; color: #6f7871; font-size: 12px; }
.email-toolbar span:first-child { margin-right: 6px; color: #818a82; font-family: var(--mono); font-size: 9px; }
.email-sendbar { height: 49px; padding: 0 16px; display: flex; align-items: center; gap: 17px; border-top: 1px solid #eef0ed; color: #79817b; font-size: 14px; }
.email-sendbar button { height: 29px; padding: 0 18px; border: 0; border-radius: 3px; background: #2674d9; color: white; font-size: 11px; }
.email-sendbar .trash { margin-left: auto; color: #aab0ab; }

.signature-preview { max-width: 630px; color: var(--ink); font-family: Arial, sans-serif; overflow: hidden; }
.signature-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.signature-table td { vertical-align: middle; }
.signature-logo-cell { width: 235px; padding-right: 26px; }
.signature-logo-shell { padding: 0; }
.signature-logo-image { margin: 0 auto; }
.signature-divider-cell { width: 1px; padding: 4px 0; }
.signature-divider { width: 1px; height: 100px; background: #d5dad4; }
.signature-info-cell { padding-left: 26px; }
.signature-tagline { margin-top: 13px; color: #626b63; font-size: 9px; font-weight: 700; letter-spacing: .3px; line-height: 1.45; }
.person-name { margin: 0; color: #171a1c; font-size: 16px; font-weight: 800; line-height: 1.2; }
.person-title { margin: 4px 0 12px; color: var(--green-deep); font-size: 10px; font-weight: 700; }
.contact-list { margin: 0; padding: 0; list-style: none; }
.contact-list li { display: flex; align-items: flex-start; gap: 8px; margin-top: 7px; color: #555e58; font-size: 10px; line-height: 1.35; overflow-wrap: anywhere; }
.contact-icon { width: 14px; color: var(--green-deep); font-size: 12px; text-align: center; }
.contact-list a:hover { color: var(--green-deep); text-decoration: underline; text-underline-offset: 2px; }
.signature-company { min-height: 29px; margin-top: 15px; padding: 8px 12px; background: #171a1c; color: #fff; font-size: 9px; font-weight: 700; letter-spacing: .5px; }
.signature-company strong { color: var(--green); }
.signature-company span { float: right; color: var(--green); font-size: 8px; }
.signature-socials { display: flex; flex-wrap: wrap; gap: 8px 13px; margin-top: 12px; }
.signature-socials a { display: inline-flex; align-items: center; gap: 5px; color: var(--green-deep); font-size: 9px; overflow-wrap: anywhere; }
.signature-socials b { font-size: 11px; }
.signature-disclaimer { margin-top: 10px; color: #858c87; font-size: 8px; line-height: 1.4; }

.signature-preview[data-variant="bar"] .signature-table { border-bottom: 5px solid var(--green); padding-bottom: 10px; }
.signature-preview[data-variant="bar"] .signature-logo-cell { width: 270px; }
.signature-preview[data-variant="bar"] .signature-divider { display: none; }
.signature-preview[data-variant="bar"] .signature-info-cell { padding-left: 15px; }
.signature-preview[data-variant="bar"] .signature-tagline { margin-top: 13px; }
.signature-preview[data-variant="bar"] .signature-banner { background: #f0f4ed; color: #4a554e; }
.signature-preview[data-variant="dark"] { padding: 19px 21px; background: #171a1c; }
.signature-preview[data-variant="dark"] .person-name { color: #f6f8f4; }
.signature-preview[data-variant="dark"] .contact-list li, .signature-preview[data-variant="dark"] .signature-tagline, .signature-preview[data-variant="dark"] .signature-disclaimer { color: #b2b9b2; }
.signature-preview[data-variant="dark"] .signature-divider { background: #424844; }
.signature-preview[data-variant="dark"] .person-title, .signature-preview[data-variant="dark"] .contact-icon { color: var(--green); }
.signature-preview[data-variant="dark"] .signature-company { background: #242a27; }
.signature-preview[data-theme="dark"] { padding: 19px 21px; background: #171a1c; }
.signature-preview[data-theme="dark"] .person-name { color: #f6f8f4; }
.signature-preview[data-theme="dark"] .contact-list li, .signature-preview[data-theme="dark"] .signature-tagline, .signature-preview[data-theme="dark"] .signature-disclaimer { color: #b2b9b2; }
.signature-preview[data-theme="dark"] .signature-divider { background: #424844; }
.signature-preview[data-theme="dark"] .person-title, .signature-preview[data-theme="dark"] .contact-icon { color: var(--green); }
.signature-preview[data-theme="dark"] .signature-company { background: #242a27; }

.variant-section { margin-top: 31px; }
.variant-header { align-items: end; margin-bottom: 14px; }
.variant-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.variant-card { min-width: 0; padding: 13px 13px 14px; border: 1px solid #e0e4df; border-radius: 3px; background: #fbfcfa; text-align: left; transition: border-color .2s, transform .2s, box-shadow .2s; }
.variant-card:hover { border-color: #b9ce9f; transform: translateY(-2px); }
.variant-card.is-selected { border-color: var(--green); box-shadow: inset 0 0 0 1px var(--green); background: #fff; }
.variant-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 13px; }
.variant-number { color: #8c968e; font-family: var(--mono); font-size: 9px; }
.selected-label { color: #96a096; font-family: var(--mono); font-size: 8px; }
.variant-card.is-selected .selected-label { color: var(--green-deep); }
.mini-signature { min-height: 70px; padding: 12px 9px; display: flex; align-items: center; gap: 8px; border: 1px solid #e8ebe6; background: #fff; }
.mini-logo { width: 86px; display: flex; align-items: center; justify-content: center; flex: none; }
.mini-logo img { width: 100%; height: auto; display: block; }
.mini-divider { width: 1px; height: 39px; background: #dfe4dc; }
.mini-signature strong { display: block; font-size: 8px; font-style: italic; letter-spacing: -.2px; }
.mini-signature small, .mini-signature em { display: block; margin-top: 3px; color: var(--green-deep); font-size: 7px; font-style: normal; }
.mini-signature em { color: #777f77; }
.mini-signature--bar { align-items: start; background: linear-gradient(90deg, #fff 0 92%, var(--green) 92%); }
.mini-signature--dark { border-color: #303633; background: #181c1d; color: #fff; }
.mini-signature--dark small { color: var(--green); }
.mini-signature--dark em { color: #b3bab3; }
.variant-name { display: block; margin-top: 13px; color: #262d29; font-size: 11px; font-weight: 700; }
.variant-desc { display: block; margin-top: 4px; color: #8a938b; font-size: 9px; }

.bottom-band { min-height: 64px; margin-top: 26px; padding-top: 20px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); }
.brand-palette { display: flex; align-items: center; gap: 7px; }
.palette-label { margin: 0 8px 0 0; color: #8b958b; }
.palette-color { width: 13px; height: 13px; display: inline-block; border-radius: 50%; }
.palette-color--green { background: var(--green); }.palette-color--black { background: var(--ink); }.palette-color--gray { background: #6e6e6e; }
.palette-code { margin-left: 4px; color: #8b958b; font-family: var(--mono); font-size: 8px; }
.bottom-band p { margin: 0; color: #8b958b; font-family: var(--mono); font-size: 8px; }.bottom-band p span { color: var(--green-deep); font-size: 13px; vertical-align: -1px; }
.socials { display: flex; gap: 13px; color: #6d766d; font-family: Arial, sans-serif; font-size: 11px; font-weight: 700; }.socials a:hover { color: var(--green-deep); }
.toast { position: fixed; right: 28px; bottom: 28px; max-width: 300px; padding: 12px 15px; opacity: 0; pointer-events: none; transform: translateY(8px); border: 1px solid #cce6a2; border-radius: 3px; background: #f4fbe9; color: #406400; font-size: 11px; transition: opacity .2s, transform .2s; }.toast.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1050px) { main { padding-inline: 28px; } .topbar { padding-inline: 28px; } .intro-section { padding-block: 45px; } .workspace-grid { grid-template-columns: 260px minmax(0, 1fr); } .preview-panel { padding-inline: 20px; } .signature-logo-cell { width: 190px; padding-right: 16px; }.signature-info-cell { padding-left: 16px; } .signature-brand-name { font-size: 18px; } }
@media (max-width: 820px) { .intro-section { display: block; }.intro-note { margin-top: 28px; width: auto; max-width: 340px; }.workspace-grid { display: block; }.control-panel { margin-bottom: 16px; }.field-row { grid-template-columns: 1fr 1fr; } .preview-header { display: block; }.preview-actions { margin-top: 16px; }.bottom-band { flex-wrap: wrap; }.bottom-band p { order: 3; width: 100%; } }
@media (max-width: 580px) { .topbar { height: 65px; padding-inline: 14px; }.brand-plate { width: 145px; }.brand-copy small { letter-spacing: 1px; }.topbar-meta > span:not(.status-dot), .icon-button { display: none; } main { padding: 0 14px 30px; }.intro-section { min-height: auto; padding: 37px 4px 31px; }.eyebrow { font-size: 8px; } h1 { font-size: 34px; letter-spacing: -1.7px; }.intro-copy { font-size: 12px; }.control-panel, .preview-panel { padding: 21px 16px; }.field-row { grid-template-columns: 1fr; gap: 0; }.email-body { min-height: 260px; padding: 20px 14px 14px; }.signature-preview { width: 100%; max-width: none; overflow: visible; }.signature-table, .signature-table tbody, .signature-table tr, .signature-table td { display: block; width: 100% !important; }.signature-table td { padding: 0 !important; }.signature-logo-cell { margin-bottom: 17px; }.signature-logo-shell { padding: 0; }.signature-divider-cell { display: none !important; }.signature-info-cell { border-top: 1px solid #dfe4dc; padding-top: 16px !important; }.signature-preview[data-theme="dark"] .signature-info-cell, .signature-preview[data-variant="dark"] .signature-info-cell { border-top-color: #424844; }.signature-company { margin-top: 17px; font-size: 8px; line-height: 1.35; }.signature-company span { float: none; display: block; margin-top: 4px; }.signature-socials { gap: 9px 13px; }.signature-socials a span { max-width: 135px; overflow-wrap: anywhere; }.variant-grid { grid-template-columns: 1fr; }.variant-card { display: grid; grid-template-columns: 1fr 1.6fr; grid-template-rows: auto auto; column-gap: 14px; }.variant-card-top { grid-column: 1 / -1; }.mini-signature { grid-row: 2; }.variant-name, .variant-desc { grid-column: 2; }.variant-name { align-self: end; margin-top: 0; }.variant-desc { align-self: start; }.bottom-band { display: block; }.brand-palette { margin-bottom: 14px; }.socials { margin-top: 15px; } }