:root {
    --bg: #0f1419;
    --surface: #1a2332;
    --surface-2: #243044;
    --text: #e7ecf3;
    --muted: #8b9cb3;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --success: #22c55e;
    --error: #ef4444;
    --border: #334155;
    --radius: 12px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background: linear-gradient(160deg, #0b1020 0%, #121a2b 50%, #0f1419 100%);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

a { color: var(--primary); }

.topbar {
    border-bottom: 1px solid var(--border);
    background: rgba(26, 35, 50, 0.85);
    backdrop-filter: blur(8px);
}

.topbar-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.topbar h1 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 3rem;
    display: grid;
    gap: 1.25rem;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.panel h2 {
    margin: 0 0 0.35rem;
    font-size: 1.25rem;
}

.hint, .subtitle {
    color: var(--muted);
    margin: 0 0 1rem;
}

.form {
    display: grid;
    gap: 1.25rem;
}

.form label > span,
.form legend {
    display: block;
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.form input[type="text"],
.form input[type="password"] {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface-2);
    color: var(--text);
    font-size: 1rem;
}

.form input:focus {
    outline: 2px solid rgba(59, 130, 246, 0.45);
    border-color: var(--primary);
}

.form-grid {
    display: grid;
    gap: 1rem;
}

.full-width { grid-column: 1 / -1; }

.checkbox-group {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin: 0;
}

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.65rem 0;
    cursor: pointer;
}

.checkbox + .checkbox {
    border-top: 1px solid var(--border);
}

.checkbox input {
    margin-top: 0.25rem;
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--primary);
}

.checkbox strong {
    display: block;
    margin-bottom: 0.15rem;
}

.checkbox small {
    color: var(--muted);
}

.actions {
    display: flex;
    justify-content: flex-end;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.1rem;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: wait;
}

.btn-ghost {
    background: transparent;
    color: var(--muted);
    border-color: var(--border);
}

.btn-ghost:hover {
    color: var(--text);
    border-color: var(--muted);
}

.result {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.result.hidden { display: none; }

.result-success {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.35);
}

.result-error {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.35);
}

.result ul {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
}

.result code {
    background: rgba(0, 0, 0, 0.25);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.loading {
    color: var(--muted);
    margin: 0;
}

.projects-list {
    display: grid;
    gap: 0.75rem;
}

.project-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    background: var(--surface-2);
}

.project-card header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.project-card-title h3 {
    margin: 0;
    font-size: 1rem;
}

.project-card-title time {
    display: block;
    color: var(--muted);
    font-size: 0.8rem;
    margin-top: 0.15rem;
}

.btn-danger {
    background: transparent;
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.45);
    flex-shrink: 0;
}

.btn-danger:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.12);
    border-color: #f87171;
    color: #fecaca;
}

.btn-danger:disabled {
    opacity: 0.6;
    cursor: wait;
}

.project-card dl {
    margin: 0;
    display: grid;
    gap: 0.35rem;
}

.project-card dl > div {
    display: grid;
    grid-template-columns: 5rem 1fr;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.project-card dt {
    color: var(--muted);
}

.project-card dd {
    margin: 0;
}

.auth-page {
    display: grid;
    place-items: center;
    padding: 2rem 1rem;
}

.auth-card {
    width: min(420px, 100%);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.auth-card h1 {
    margin: 0 0 0.25rem;
    font-size: 1.4rem;
}

.auth-card .form {
    margin-top: 0.5rem;
}

.auth-card .form .btn-primary {
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.75rem 1.1rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 0.25rem;
}

.auth-card .form-actions {
    justify-content: stretch;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fecaca;
}

@media (max-width: 600px) {
    .project-card header {
        flex-direction: column;
        align-items: flex-start;
    }
    .project-card dl > div {
        grid-template-columns: 1fr;
    }
}