:root {
    --bg: #FAFAF8;
    --bg-card: #FFFFFF;
    --text: #1A1A18;
    --text-muted: #6B6B64;
    --accent: #1B6B4A;
    --accent-light: #E8F3ED;
    --accent-dark: #134F36;
    --border: #E5E5E0;
    --border-strong: #D0D0C8;
    --warm-gray: #F3F3EF;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
    --radius: 12px;
    --radius-sm: 8px;
    --error: #c53030;
    --error-light: #fff5f5;
    --warning: #c27803;
    --warning-light: #fffbeb;
    --success: #1B6B4A;
    --success-light: #E8F3ED;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

/* NAV */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 2rem;
    backdrop-filter: blur(20px);
    background: rgba(250,250,248,0.85);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-family: 'Instrument Serif', serif;
    font-size: 2.2rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
    background: var(--accent) !important;
    color: #fff !important;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; }
.nav-cta-outline {
    border: 1px solid var(--border) !important;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
}

/* FOOTER */
footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--border);
}
.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-logo {
    font-family: 'Instrument Serif', serif;
    font-size: 1.5rem;
    color: var(--text);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
}
.footer-links a:hover { color: var(--text); }
.footer-note { font-size: 0.82rem; color: var(--text-muted); }

/* FLASH MESSAGES */
.flash-container {
    max-width: 700px;
    margin: 1.5rem auto;
    padding: 0 2rem;
}
.flash {
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}
.flash-error { background: var(--error-light); color: var(--error); border: 1px solid #fed7d7; }
.flash-warning { background: var(--warning-light); color: var(--warning); border: 1px solid #fef3c7; }
.flash-success { background: var(--success-light); color: var(--success); border: 1px solid #c6f6d5; }
.flash-info { background: var(--accent-light); color: var(--accent); border: 1px solid #c6f6d5; }

/* PAGE LAYOUTS */
.page-center {
    max-width: 440px;
    margin: 4rem auto;
    padding: 0 2rem;
}
.page-wide {
    max-width: 1200px;
    margin: 2.5rem auto;
    padding: 0 2rem;
}
.page-title {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}
.page-title em { font-style: italic; color: var(--accent); }
.page-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* CARDS */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}
.card:hover { border-color: var(--border-strong); }
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.card-title {
    font-weight: 600;
    font-size: 1rem;
}

/* FORMS */
.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.4rem;
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bg-card);
    color: var(--text);
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus {
    border-color: var(--accent);
}
.form-group .hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}
.form-group .error-msg {
    font-size: 0.78rem;
    color: var(--error);
    margin-top: 0.3rem;
}
.subdomain-input {
    display: flex;
    align-items: center;
    gap: 0;
}
.subdomain-input input {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    border-right: none;
}
.subdomain-suffix {
    padding: 0.7rem 0.8rem;
    background: var(--warm-gray);
    border: 1px solid var(--border);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    width: 100%;
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary {
    background: var(--warm-gray);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--border-strong); }
.btn-danger {
    background: var(--error-light);
    color: var(--error);
    border: 1px solid #fed7d7;
}
.btn-danger:hover { background: #fee2e2; }
.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.82rem;
}

/* STATUS BADGES */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-active { background: var(--success-light); color: var(--success); }
.badge-pending { background: var(--warning-light); color: var(--warning); }
.badge-error { background: var(--error-light); color: var(--error); }
.badge-suspended { background: var(--warm-gray); color: var(--text-muted); }

/* CODE BLOCK */
.code-block {
    background: #1a1a1a;
    color: #e0e0e0;
    padding: 1rem 1.2rem;
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.82rem;
    line-height: 1.7;
    overflow-x: auto;
    position: relative;
}
.code-block .copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(255,255,255,0.1);
    color: #aaa;
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.72rem;
    cursor: pointer;
}
.code-block .copy-btn:hover { background: rgba(255,255,255,0.2); }

/* TABLES */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}
.data-table th, .data-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    font-size: 0.88rem;
}
.data-table thead th {
    background: var(--warm-gray);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.data-table tbody td { border-bottom: 1px solid var(--border); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--warm-gray); }

/* STATS ROW */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
}
.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* STEPS */
.steps { display: flex; flex-direction: column; gap: 1.5rem; }
.step { display: flex; gap: 1rem; align-items: flex-start; }
.step-num {
    width: 36px; height: 36px;
    flex-shrink: 0;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}
.step-num.done { background: var(--accent-light); color: var(--accent); }
.step h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.2rem; }
.step p { font-size: 0.88rem; color: var(--text-muted); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .data-table { font-size: 0.82rem; }
}