:root {
    --bg-primary: #0a1628;
    --bg-secondary: #0f1f38;
    --bg-card: #132744;
    --bg-input: #0d1a30;
    --border: #1e3a5f;
    --border-light: #2a4a73;
    --text-primary: #e8edf5;
    --text-secondary: #8fa3bf;
    --text-muted: #5a7291;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.25);
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    --badge-a: #6366f1;
    --badge-b: #14b8a6;
    --badge-c: #f59e0b;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
    --mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

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

html {
    font-size: 16px;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 60px;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.logo:hover {
    color: var(--accent);
}

.nav {
    display: flex;
    gap: 0.25rem;
    flex: 1;
}

.nav-link {
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all 0.2s;
}

.nav-link:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-link-accent {
    color: var(--accent);
    font-weight: 600;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.username {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Main */
.main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
}

/* Auth */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #0d2240 50%, var(--bg-primary) 100%);
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

.auth-card-wide {
    max-width: 560px;
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* Page */
.page-header {
    margin-bottom: 2rem;
}

.page-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
}

.page-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Search */
.search-hero {
    margin-bottom: 2rem;
}

.search-form {
    display: flex;
    gap: 0.75rem;
}

.search-input {
    flex: 1;
    padding: 0.85rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-result-count {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: border-color 0.2s, transform 0.2s;
    color: inherit;
}

.stat-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.stat-card-total {
    cursor: default;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.stat-icon-a { background: rgba(99, 102, 241, 0.2); color: var(--badge-a); }
.stat-icon-b { background: rgba(20, 184, 166, 0.2); color: var(--badge-b); }
.stat-icon-c { background: rgba(245, 158, 11, 0.2); color: var(--badge-c); }
.stat-icon-total { background: rgba(59, 130, 246, 0.2); color: var(--accent); }

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-desc {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Section */
.section {
    margin-bottom: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
}

.subsection-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

/* Record list */
.record-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.record-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: inherit;
    transition: border-color 0.2s, background 0.2s;
}

.record-item:hover {
    border-color: var(--border-light);
    background: var(--bg-secondary);
}

.record-title {
    font-weight: 500;
}

.record-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: var(--mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.record-date {
    color: var(--text-muted);
    font-size: 0.8rem;
    white-space: nowrap;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-a { background: rgba(99, 102, 241, 0.2); color: var(--badge-a); }
.badge-b { background: rgba(20, 184, 166, 0.2); color: var(--badge-b); }
.badge-c { background: rgba(245, 158, 11, 0.2); color: var(--badge-c); }
.badge-secret { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.badge-protected { background: rgba(148, 163, 184, 0.2); color: #94a3b8; }
.badge-role-admin { background: rgba(59, 130, 246, 0.2); color: var(--accent); }
.badge-role-manager { background: rgba(148, 163, 184, 0.2); color: #94a3b8; }

/* Detail */
.detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.detail-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.detail-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row dt {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.detail-row dd {
    font-size: 0.95rem;
    word-break: break-all;
}

.detail-row dd.notes {
    white-space: pre-wrap;
}

.copyable {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.wallet {
    font-family: var(--mono);
    font-size: 0.85rem;
}

.btn-copy, .btn-reveal {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.btn-copy:hover, .btn-reveal:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.back-link {
    margin-top: 1.5rem;
}

.back-link a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Forms */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.required {
    color: var(--error);
}

.form-hint {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-row-3 {
    grid-template-columns: 1fr 1fr;
}

input[type="text"],
input[type="password"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

.fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.fieldset legend {
    padding: 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.type-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.type-selector-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.type-option {
    padding: 1rem;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: inherit;
    text-align: center;
    transition: all 0.2s;
}

.type-option strong {
    display: block;
    margin-bottom: 0.25rem;
}

.type-option span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.type-option:hover {
    border-color: var(--border-light);
}

.type-option.active {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
    white-space: nowrap;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
}

.btn-danger {
    background: transparent;
    border: 1px solid var(--error);
    color: var(--error);
}

.btn-danger:hover {
    background: var(--error);
    color: #fff;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.inline-form {
    display: inline;
}

/* Flash */
.flash {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.flash-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.flash-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
}

.empty-state p {
    margin-bottom: 1.25rem;
}

.info-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-box p + p {
    margin-top: 0.75rem;
}

.info-box code {
    background: var(--bg-input);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    color: var(--text-primary);
}

.user-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.user-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem 1rem;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.user-item-main {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.user-item-name {
    font-weight: 600;
    font-size: 1rem;
}

.user-item-meta {
    grid-column: 1;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.user-item-actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 0.75rem 1rem;
        gap: 0.75rem;
    }

    .nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .page-header-row {
        flex-direction: column;
    }

    .record-item {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }

    .detail-row {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .type-selector,
    .type-selector-3 {
        grid-template-columns: 1fr;
    }

    .user-item {
        grid-template-columns: 1fr;
    }

    .user-item-actions {
        grid-column: 1;
        grid-row: auto;
    }

    .search-form {
        flex-direction: column;
    }
}