:root {
    --bg: #f6f8fb;
    --surface: #ffffff;
    --surface-2: #eef3f8;
    --border: #d8e0ea;
    --text: #172033;
    --muted: #66758a;
    --primary: #0f766e;
    --primary-dark: #115e59;
    --danger: #b42318;
    --success-bg: #ecfdf3;
    --success-text: #027a48;
    --shadow: 0 14px 36px rgba(20, 32, 50, 0.08);
    --shadow-soft: 0 24px 70px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }

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

a { color: inherit; text-decoration: none; }

.site-header {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.site-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #0f766e;
    color: #ffffff;
    display: grid;
    place-items: center;
    font-weight: 800;
}

.site-brand strong { display: block; font-size: 1rem; }
.site-brand small { display: block; color: var(--muted); margin-top: 2px; }
.site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #344054;
    font-weight: 650;
}

.site-nav a {
    padding: 10px 12px;
    border-radius: 8px;
}

.site-nav a:hover { background: #edf2f7; }
.site-login {
    border: 1px solid var(--border);
    background: var(--surface);
}

.site-main {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.site-hero {
    min-height: 560px;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
    padding: 42px 0 72px;
}

.hero-copy h1 {
    font-size: clamp(2.7rem, 6vw, 5.2rem);
    line-height: 0.98;
    letter-spacing: -0.03em;
    max-width: 840px;
}

.site-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 26px;
}

.hero-panel {
    background: #0b1220;
    color: #ffffff;
    border-radius: 22px;
    padding: 26px;
    box-shadow: var(--shadow-soft);
}

.panel-topline {
    display: flex;
    justify-content: space-between;
    color: #cbd5e1;
    margin-bottom: 26px;
}

.panel-topline strong {
    color: #99f6e4;
}

.hero-metric {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.hero-metric span { color: #cbd5e1; }
.hero-metric strong { font-size: 1.55rem; }
.mini-ledger { margin-top: 22px; display: grid; gap: 12px; }
.mini-ledger div {
    display: flex;
    justify-content: space-between;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 12px;
}
.mini-ledger span { color: #cbd5e1; }

.site-section {
    padding: 58px 0;
    border-top: 1px solid var(--border);
}

.section-heading {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: end;
    margin-bottom: 22px;
}

.section-heading h2,
.security-band h2,
.split-feature h2 {
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    line-height: 1.1;
    max-width: 720px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.feature-card,
.deploy-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.feature-card p,
.deploy-card p { color: var(--muted); line-height: 1.6; }

.security-band {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 34px;
    align-items: start;
}

.security-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.security-list span {
    background: #ecfdf3;
    border: 1px solid #abefc6;
    color: #05603a;
    border-radius: 999px;
    padding: 10px 14px;
    font-weight: 700;
}

.split-feature {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 34px;
    align-items: center;
}

.deploy-card span { color: var(--muted); }
.deploy-card strong {
    display: block;
    font-size: 1.3rem;
    margin: 8px 0;
}

.site-footer {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 36px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    color: var(--muted);
    font-size: 0.9rem;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
}

.sidebar {
    background: #0b1220;
    color: #f8fafc;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #14b8a6;
    color: #042f2e;
    display: grid;
    place-items: center;
    font-weight: 800;
}

.brand-title { font-size: 1rem; font-weight: 750; }
.brand-subtitle { color: #9ca3af; font-size: 0.82rem; margin-top: 2px; }
.nav { display: flex; flex-direction: column; gap: 8px; }

.nav-link, .nav-button, .user-chip {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.08);
    color: #dbe4ef;
    background: rgba(255,255,255,0.04);
    border-radius: 8px;
    padding: 11px 12px;
    font-size: 0.94rem;
    text-align: left;
}

.nav-link.active {
    color: #ffffff;
    background: rgba(20, 184, 166, 0.18);
    border-color: rgba(20, 184, 166, 0.45);
}

.nav-button {
    cursor: pointer;
    font-family: inherit;
}

.inline-form { margin: 0; }
.user-chip { margin-top: 8px; color: #ffffff; background: rgba(255,255,255,0.08); }

.workspace {
    display: flex;
    min-width: 0;
    flex-direction: column;
}

.content {
    width: min(1220px, calc(100% - 48px));
    margin: 0 auto;
    padding: 34px 0 44px;
    flex: 1;
}

.page-header {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.page-header.compact { margin-bottom: 18px; }
.eyebrow {
    margin: 0 0 8px;
    color: var(--primary-dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}

h1, h2, h3 { margin: 0; }
h1 { font-size: 2.35rem; line-height: 1.12; max-width: 820px; letter-spacing: -0.02em; }
h2 { font-size: 1.1rem; }
.lead { color: var(--muted); max-width: 760px; line-height: 1.6; margin: 12px 0 0; }
.muted { color: var(--muted); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 8px;
    padding: 10px 16px;
    border: 1px solid transparent;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary { background: var(--primary); color: #ffffff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-wide { width: 100%; }
.button-row, .form-actions { display: flex; gap: 12px; margin-top: 20px; }

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

.metric-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    box-shadow: var(--shadow);
}

.metric-label {
    color: var(--muted);
    display: block;
    font-size: 0.86rem;
    margin-bottom: 10px;
}

.metric-card strong {
    font-size: 1.55rem;
    line-height: 1.1;
}

.split-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 22px;
    margin-bottom: 20px;
}

.control-list { margin-top: 18px; display: grid; gap: 12px; }
.control-list div {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.control-list div:last-child { border-bottom: 0; }
.control-list span { color: var(--muted); }
.workflow { color: var(--muted); line-height: 1.8; margin-bottom: 0; }

.auth-layout {
    min-height: calc(100vh - 130px);
    display: grid;
    grid-template-columns: 1fr 430px;
    gap: 40px;
    align-items: center;
}

.auth-copy h1 { font-size: 2.8rem; }
.form-panel { max-width: 760px; }
.form-panel.wide { max-width: 860px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
label { color: #344054; font-weight: 650; font-size: 0.9rem; }

input {
    width: 100%;
    border: 1px solid #cfd8e3;
    border-radius: 8px;
    background: #ffffff;
    color: var(--text);
    padding: 11px 12px;
    font: inherit;
}

input:focus {
    outline: 3px solid rgba(15, 118, 110, 0.16);
    border-color: var(--primary);
}

.alert {
    padding: 13px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    border: 1px solid transparent;
}
.alert-success { background: var(--success-bg); color: var(--success-text); border-color: #abefc6; }
.alert-error { background: #fef3f2; color: var(--danger); border-color: #fecdca; }

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}
.table-header span { color: var(--muted); font-size: 0.9rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: #475467; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
td { font-size: 0.94rem; }
.status-pill {
    display: inline-flex;
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--success-bg);
    color: var(--success-text);
    font-weight: 700;
    font-size: 0.82rem;
}

.empty-state {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 42px;
    box-shadow: var(--shadow);
    max-width: 720px;
}

.empty-state p { color: var(--muted); }
.footer {
    width: min(1220px, calc(100% - 48px));
    margin: 0 auto;
    padding: 0 0 24px;
    color: var(--muted);
    font-size: 0.86rem;
}

@media (max-width: 980px) {
    .site-header, .site-footer { flex-direction: column; align-items: flex-start; }
    .site-nav { flex-wrap: wrap; }
    .site-hero, .feature-grid, .security-band, .split-feature { grid-template-columns: 1fr; }
    .security-list { grid-template-columns: 1fr; }
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .metric-grid, .split-layout, .auth-layout, .form-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; }
    h1 { font-size: 2rem; }
}