/**
 * 관리자 페이지 (admin.html)
 */

.admin-page {
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: #0f172a;
}

.admin-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
}

.admin-nav-inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-brand {
    font-size: 1.25rem;
    font-weight: 800;
    color: #1e293b;
    text-decoration: none;
    letter-spacing: -0.025em;
}

.admin-brand span {
    color: #2563eb;
}

.admin-main {
    max-width: 80rem;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}

@media (min-width: 640px) {
    .admin-main {
        padding-top: 4rem;
    }
}

.admin-header {
    margin-bottom: 2rem;
}

.admin-header h1 {
    font-size: 1.75rem;
    font-weight: 900;
    margin: 0 0 0.5rem;
    letter-spacing: -0.02em;
}

.admin-header p {
    margin: 0;
    font-size: 0.875rem;
    color: #64748b;
}

.admin-tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid #e2e8f0;
}

.admin-tab {
    padding: 0.75rem 1.125rem;
    margin-bottom: -1px;
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    font-size: 0.875rem;
    font-weight: 700;
    color: #94a3b8;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}

.admin-tab:hover {
    color: #475569;
}

.admin-tab.active {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.admin-toolbar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.admin-search {
    flex: 1;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    background: #fff;
    outline: none;
}

.admin-search:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.admin-btn {
    padding: 0.625rem 1rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 700;
    cursor: pointer;
}

.admin-btn-primary {
    background: #1e293b;
    color: #fff;
}

.admin-btn-secondary {
    background: #f1f5f9;
    color: #475569;
}

.admin-btn-secondary:hover {
    background: #e2e8f0;
}

.admin-count {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-bottom: 1rem;
}

.admin-user-list,
.admin-deck-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-deck-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.admin-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1rem 1.125rem;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

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

.admin-card-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 0.25rem;
    line-height: 1.4;
}

.admin-card-meta {
    font-size: 0.75rem;
    color: #94a3b8;
    line-height: 1.5;
}

.admin-card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.5rem;
}

.admin-badge {
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.15rem 0.45rem;
    border-radius: 0.375rem;
}

.admin-badge-public {
    color: #059669;
    background: #ecfdf5;
}

.admin-badge-private {
    color: #64748b;
    background: #f1f5f9;
}

.admin-badge-type {
    color: #2563eb;
    background: #eff6ff;
}

.admin-card-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.admin-card-btn {
    padding: 0.4rem 0.75rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.6875rem;
    font-weight: 700;
    cursor: pointer;
}

.admin-card-btn-edit {
    background: #f1f5f9;
    color: #475569;
}

.admin-card-btn-edit:hover {
    background: #e2e8f0;
}

.admin-card-btn-delete {
    background: #fef2f2;
    color: #dc2626;
}

.admin-card-btn-delete:hover {
    background: #fee2e2;
}

.admin-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.5);
}

.admin-modal.open {
    display: flex;
}

.hidden {
    display: none !important;
}

/* 회원 카드 */
.admin-user-card {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-user-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 9999px;
    object-fit: cover;
    background: #f1f5f9;
    border: 2px solid #e2e8f0;
    flex-shrink: 0;
}

.admin-user-body {
    flex: 1;
    min-width: 0;
}

/* 덱 카드 (썸네일) */
.admin-deck-card {
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.admin-deck-preview {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-bottom: 1px solid #e2e8f0;
    overflow: hidden;
}

.admin-deck-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #f8fafc;
}

.admin-deck-preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #94a3b8;
}

.admin-deck-body {
    padding: 1rem 1.125rem 1.125rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    flex: 1;
}

/* 회원 모달 */
.admin-modal-box {
    width: 100%;
    max-width: 26rem;
    background: #fff;
    border-radius: 1.25rem;
    padding: 0;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.18);
    overflow: hidden;
}

.admin-modal-header {
    padding: 1.5rem 1.5rem 1rem;
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    border-bottom: 1px solid #e2e8f0;
}

.admin-modal-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-modal-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}

.admin-modal-avatar {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 9999px;
    object-fit: cover;
    background: #fff;
    border: 3px solid #fff;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
}

.admin-modal-avatar-btn {
    position: absolute;
    right: -0.25rem;
    bottom: -0.25rem;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 9999px;
    border: 2px solid #fff;
    background: #2563eb;
    color: #fff;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-modal-avatar-remove {
    margin-top: 0.5rem;
    font-size: 0.6875rem;
    color: #94a3b8;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}

.admin-modal-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 800;
    color: #0f172a;
}

.admin-modal-sub {
    margin: 0.25rem 0 0;
    font-size: 0.75rem;
    color: #64748b;
}

.admin-modal-content {
    padding: 1.25rem 1.5rem 1.5rem;
}

.admin-field-hint {
    margin: 0.375rem 0 0;
    font-size: 0.6875rem;
    color: #94a3b8;
    line-height: 1.4;
}

.admin-field-hint.warn {
    color: #d97706;
}

.admin-input:disabled,
.admin-select:disabled {
    background: #f8fafc;
    color: #94a3b8;
    cursor: not-allowed;
}

.admin-modal-divider {
    height: 1px;
    background: #e2e8f0;
    margin: 1rem 0;
}

.admin-modal-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.admin-modal-actions-row {
    display: flex;
    gap: 0.5rem;
}

.admin-modal-actions-row .admin-btn {
    flex: 1;
}

.admin-btn-outline {
    background: #fff;
    color: #475569;
    border: 1px solid #e2e8f0;
}

.admin-btn-outline:hover {
    background: #f8fafc;
}

.admin-btn-danger-text {
    background: none;
    color: #dc2626;
    border: none;
    padding: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.admin-btn-danger-text:hover {
    text-decoration: underline;
}

.admin-field {
    margin-bottom: 1rem;
}

.admin-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    margin-bottom: 0.375rem;
}

.admin-input,
.admin-select {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
}

.admin-error {
    font-size: 0.8125rem;
    color: #ef4444;
    margin-top: 0.5rem;
}

.admin-error.hidden {
    display: none;
}

.hidden {
    display: none !important;
}