:root {
    --suse-dark:    #0C322C;
    --suse-mid:     #1a4a3f;
    --suse-green:   #30BA78;
    --suse-green-d: #22a065;
    --suse-pale:    #f2faf6;
    --suse-light:   #e4f5ec;
    --suse-border:  #c8e8d8;
    --text:         #1a2a24;
    --text-mid:     #3a5248;
    --text-muted:   #6b8880;
    --border:       #dde8e4;
    --white:        #ffffff;
    --red:          #c0392b;
    --red-bg:       #fdf2f1;
    --red-border:   #f5c4be;
    --mono:         'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;
    color: var(--text);
    line-height: 1.65;
    background: var(--white);
    font-size: 1rem;
}

/* ── Nav ─────────────────────────────── */
header {
    background: var(--suse-dark);
    padding: 0 1.5rem;
    border-bottom: 2px solid var(--suse-green);
}

header nav {
    max-width: 900px;
    margin: 0 auto;
    height: 54px;
    display: flex;
    align-items: center;
}

.logo {
    color: var(--white);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.01em;
    text-decoration: none;
    font-family: 'Source Sans 3', sans-serif;
}

.logo span {
    color: var(--suse-green);
}

/* ── Hero ────────────────────────────── */
.hero {
    background: var(--suse-dark);
    color: var(--white);
    padding: 4.5rem 1.5rem 4rem;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--suse-green) 0%, transparent 60%);
}

.hero-inner {
    max-width: 760px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    line-height: 1.05;
    color: var(--white);
}

.hero h1 .accent {
    color: var(--suse-green);
}

.hero .tagline {
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    color: #a8cfc0;
    margin-bottom: 2rem;
    font-weight: 400;
    font-style: italic;
}

.hero .intro {
    font-size: 1rem;
    color: #c4ddd4;
    line-height: 1.75;
    max-width: 640px;
    border-left: 3px solid var(--suse-green);
    padding-left: 1rem;
}

/* ── Sections ────────────────────────── */
.section {
    padding: 3rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.section-inner {
    max-width: 760px;
    margin: 0 auto;
}

.section:nth-child(odd) {
    background: var(--white);
}

.section:nth-child(even) {
    background: var(--suse-pale);
}

.section h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--suse-dark);
    padding-left: 0.9rem;
    border-left: 3px solid var(--suse-green);
    line-height: 1.25;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.section p {
    margin-bottom: 1rem;
    font-size: 0.975rem;
    color: var(--text-mid);
}

/* ── Problem list ────────────────────── */
.problem-list {
    list-style: none;
    margin: 1rem 0 0;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.problem-list li {
    padding: 0.85rem 1rem 0.85rem 3rem;
    position: relative;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
    color: var(--text-mid);
    background: var(--white);
}

.problem-list li:last-child {
    border-bottom: none;
}

.problem-list li::before {
    content: "✕";
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--red);
    font-size: 0.75rem;
    font-family: var(--mono);
}

.problem-list li strong {
    color: var(--text);
    font-family: var(--mono);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ── Target grid ─────────────────────── */
.target-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.25rem;
}

@media (max-width: 580px) {
    .target-grid {
        grid-template-columns: 1fr;
    }
}

.target-box {
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: 3px;
    background: var(--white);
    border-top: 3px solid transparent;
}

.target-box.not-for {
    border-top-color: var(--red);
    background: var(--red-bg);
    border-color: var(--red-border);
    border-top-color: var(--red);
}

.target-box.is-for {
    border-top-color: var(--suse-green);
    background: var(--suse-pale);
    border-color: var(--suse-border);
    border-top-color: var(--suse-green);
}

.target-box h3 {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.85rem;
    font-family: var(--mono);
}

.target-box.not-for h3 {
    color: var(--red);
}

.target-box.is-for h3 {
    color: var(--suse-green-d);
}

.target-box ul {
    list-style: none;
}

.target-box ul li {
    padding: 0.3rem 0 0.3rem 1.4rem;
    font-size: 0.9rem;
    color: var(--text-mid);
    position: relative;
    line-height: 1.45;
}

.target-box.not-for ul li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: var(--red);
    font-size: 0.7rem;
    font-family: var(--mono);
    top: 0.4rem;
}

.target-box.is-for ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--suse-green-d);
    font-size: 0.8rem;
    font-family: var(--mono);
    top: 0.3rem;
}

/* ── Idea list ───────────────────────── */
.idea-items {
    list-style: none;
    margin-top: 1rem;
    border: 1px solid var(--suse-border);
    border-radius: 3px;
    overflow: hidden;
}

.idea-items li {
    padding: 0.8rem 1rem 0.8rem 2.75rem;
    position: relative;
    border-bottom: 1px solid var(--suse-border);
    font-size: 0.95rem;
    color: var(--text-mid);
    background: var(--white);
}

.idea-items li:last-child {
    border-bottom: none;
}

.idea-items li::before {
    content: "→";
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--suse-green);
    font-family: var(--mono);
    font-size: 0.85rem;
}

.status-badge {
    display: inline-block;
    background: var(--suse-light);
    color: var(--suse-mid);
    border: 1px solid var(--suse-border);
    border-radius: 3px;
    padding: 0.1rem 0.5rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--mono);
    vertical-align: middle;
    position: relative;
    top: -1px;
}

/* ── Not-list ────────────────────────── */
.not-list {
    list-style: none;
    margin-top: 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

@media (max-width: 480px) {
    .not-list {
        grid-template-columns: 1fr;
    }
}

.not-list li {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 0.6rem 0.9rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mono);
    font-size: 0.82rem;
}

.not-list li::before {
    content: "–";
    color: var(--text-muted);
    font-size: 0.85rem;
    flex-shrink: 0;
    font-family: var(--mono);
}

/* ── Signup form ─────────────────────── */
.form-section {
    background: var(--suse-dark) !important;
    color: var(--white);
    border-bottom: none;
}

.form-section h2 {
    color: var(--white);
    border-left-color: var(--suse-green);
}

.form-section .lead {
    color: #a8cfc0 !important;
    margin-bottom: 0.5rem;
    font-size: 1rem !important;
}

.form-section .disclaimer {
    color: #6b8880 !important;
    font-size: 0.875rem !important;
    margin-bottom: 1.75rem;
    line-height: 1.6;
}

.signup-form {
    margin-top: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: #c4ddd4;
    letter-spacing: 0.01em;
}

.form-group .hint {
    display: block;
    font-size: 0.78rem;
    color: #5a7870;
    font-weight: 400;
    margin-top: 0.25rem;
    font-family: var(--mono);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group textarea {
    width: 100%;
    padding: 0.65rem 0.875rem;
    background: var(--suse-mid);
    border: 1px solid #2d6050;
    border-radius: 3px;
    color: #e8f5f0;
    font-size: 0.975rem;
    font-family: inherit;
    transition: border-color 0.15s, background 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--suse-green);
    background: #1f5545;
}

.form-group textarea {
    min-height: 90px;
    resize: vertical;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.3rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 400;
    cursor: pointer;
    color: #c4ddd4;
    font-size: 0.975rem;
}

.radio-group input[type="radio"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--suse-green);
    flex-shrink: 0;
}

.error-msg {
    background: #3d1010;
    border: 1px solid #c0392b;
    color: #f5c4be;
    padding: 0.75rem 1rem;
    border-radius: 3px;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
}

.submit-btn {
    background: var(--suse-green);
    color: var(--suse-dark);
    border: none;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 3px;
    cursor: pointer;
    width: 100%;
    transition: background 0.15s;
    font-family: inherit;
    letter-spacing: 0.01em;
}

.submit-btn:hover {
    background: var(--suse-green-d);
}

/* ── Footer ──────────────────────────── */
footer {
    background: var(--suse-dark);
    border-top: 1px solid var(--suse-mid);
    padding: 2rem 1.5rem;
}

.footer-inner {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.footer-inner p {
    font-size: 0.85rem;
    color: #6b8880;
    margin-bottom: 0.5rem;
}

.footer-inner strong {
    color: #a8cfc0;
}

.footer-inner a {
    color: var(--suse-green);
    text-decoration: none;
}

.footer-inner a:hover {
    text-decoration: underline;
}

.footer-small {
    font-size: 0.75rem !important;
    color: #3d5a52 !important;
    margin-top: 0.25rem;
    font-family: var(--mono);
}

/* ── Tak page ────────────────────────── */
.tak-section {
    min-height: 65vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    background: var(--suse-pale);
}

.tak-card {
    max-width: 520px;
    text-align: center;
    background: var(--white);
    border: 1px solid var(--suse-border);
    border-top: 3px solid var(--suse-green);
    border-radius: 3px;
    padding: 2.5rem 2rem;
}

.tak-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--suse-green);
    font-family: var(--mono);
    font-weight: 500;
}

.tak-card h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--suse-dark);
}

.tak-card p {
    color: var(--text-mid);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.back-link {
    display: inline-block;
    margin-top: 1.25rem;
    color: var(--suse-green-d);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--mono);
    font-size: 0.85rem;
}

.back-link:hover {
    text-decoration: underline;
}

/* ── Admin ───────────────────────────── */
.admin-section {
    padding: 2rem 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.admin-section h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--suse-dark);
}

.admin-meta {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    font-family: var(--mono);
}

.table-wrapper {
    overflow-x: auto;
}

.signups-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.signups-table th {
    background: var(--suse-dark);
    color: var(--suse-green);
    padding: 0.6rem 0.75rem;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--suse-green);
    white-space: nowrap;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.signups-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    color: var(--text-mid);
}

.signups-table tr:hover td {
    background: var(--suse-pale);
}

.badge-ja {
    background: var(--suse-light);
    color: var(--suse-mid);
    padding: 0.1rem 0.45rem;
    border-radius: 2px;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--mono);
    text-transform: uppercase;
}

.badge-nej {
    background: var(--red-bg);
    color: var(--red);
    padding: 0.1rem 0.45rem;
    border-radius: 2px;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--mono);
    text-transform: uppercase;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-family: var(--mono);
}

/* ── Mobile ──────────────────────────── */
@media (max-width: 640px) {
    .hero {
        padding: 3rem 1.25rem 2.75rem;
        text-align: left;
    }
    .section {
        padding: 2.25rem 1.25rem;
    }
}