* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #181818;
    --bg-card: #212121;
    --bg-card-hover: #2a2a2a;
    --accent: #a855f7;
    --accent-glow: rgba(168, 85, 247, 0.4);
    --danger: #ff4444;
    --danger-glow: rgba(255, 68, 68, 0.4);
    --success: #00ff88;
    --success-glow: rgba(0, 255, 136, 0.4);
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --text-muted: #717171;
    --border: #303030;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0;
}

header {
    text-align: center;
    padding: 40px 20px 30px;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 0 30px var(--accent-glow);
}

header h1 {
    font-size: 2.2rem;
    margin-bottom: 5px;
    font-weight: 700;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
}

.subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.tabs {
    display: flex;
    background: var(--bg-secondary);
    padding: 6px;
    gap: 4px;
    overflow-x: auto;
    border-bottom: 1px solid var(--border);
    -webkit-overflow-scrolling: touch;
}

.tab-btn {
    padding: 8px 14px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 5px;
    white-space: nowrap;
    flex-shrink: 0;
    min-height: 36px;
}

.tab-btn:active {
    transform: scale(0.95);
}

.tab-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.tab-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    box-shadow: 0 0 15px var(--accent-glow);
}

.tab-content {
    display: none;
    padding: 15px;
    animation: fadeIn 0.2s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 20px 15px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.2s ease;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-card:active {
    transform: scale(0.98);
}

.stat-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.stat-info h3 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent-glow);
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 15px;
    margin-bottom: 15px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
    gap: 10px;
}

.card-header h2 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    box-shadow: 0 0 15px var(--accent-glow);
}

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

.btn-secondary:hover {
    border-color: var(--accent);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 10px 16px;
    font-size: 0.85rem;
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
    box-shadow: 0 0 15px var(--danger-glow);
}

.btn-success {
    background: transparent;
    color: var(--success);
    border: 1px solid var(--success);
    padding: 10px 16px;
    font-size: 0.85rem;
}

.btn-success:hover {
    background: var(--success);
    color: var(--bg-primary);
    box-shadow: 0 0 15px var(--success-glow);
}

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
    gap: 15px;
}

.account-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.account-card.expanded {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.account-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px;
    cursor: pointer;
    user-select: none;
    gap: 15px;
    transition: background 0.2s ease;
}

.account-header:hover {
    background: var(--bg-card-hover);
}

.account-header:active {
    background: var(--bg-secondary);
}

.account-title {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.accordion-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    color: var(--accent);
    flex-shrink: 0;
}

.account-card.expanded .accordion-icon {
    transform: rotate(90deg);
}

.account-info {
    flex: 1;
    min-width: 0;
}

.account-info h3 {
    color: var(--text-primary);
    margin-bottom: 3px;
    font-size: 1.05rem;
    word-break: break-word;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.account-info p {
    color: var(--text-muted);
    font-size: 0.8rem;
    word-break: break-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.account-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.account-card.expanded .account-content {
    max-height: 2000px;
}

.account-content-inner {
    padding: 0 18px 18px;
}

.account-badge {
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.badge-active {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.badge-inactive {
    background: rgba(255, 68, 68, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.account-details {
    margin: 12px 0;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.85rem;
    gap: 10px;
}

.detail-row:last-child {
    margin-bottom: 0;
}

.detail-label {
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 600;
    color: var(--accent);
    text-align: right;
    word-break: break-all;
}

.apple-account-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.password-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 28px;
}

.password-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.account-members {
    margin: 12px 0;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.account-members-title {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.member-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.member-item {
    color: var(--text-primary);
    font-size: 0.85rem;
    padding: 10px 12px;
    background: var(--bg-card);
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    cursor: pointer;
    user-select: none;
}

.member-item:active {
    transform: scale(0.98);
}

.member-item:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    box-shadow: 0 0 10px var(--accent-glow);
}

.member-detail-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1500;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.member-detail-popup.active {
    display: flex;
}

.member-detail-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 15px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 0 40px var(--accent-glow);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.member-detail-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.member-detail-header h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
}

.member-detail-body {
    padding: 20px;
}

.member-detail-row {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.member-detail-row:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.member-detail-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.member-detail-value {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.account-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.table-container {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead {
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

th {
    padding: 12px 10px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

tbody tr {
    background: var(--bg-card);
    transition: all 0.2s ease;
}

tbody tr:hover {
    background: var(--bg-card-hover);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 20px;
    font-size: 1rem;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin: 20px auto;
    max-width: 600px;
    width: calc(100% - 40px);
    box-shadow: 0 0 40px var(--accent-glow);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    color: var(--text-primary);
    font-size: 1.3rem;
}

.close {
    font-size: 1.8rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close:active {
    transform: scale(0.9);
}

.close:hover {
    color: var(--danger);
    background: var(--bg-secondary);
}

form {
    padding: 20px;
}

.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 12px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-family: inherit;
    min-height: 44px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

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

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    left: 20px;
    max-width: 400px;
    margin: 0 auto;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    display: none;
    z-index: 2000;
    animation: slideDown 0.3s ease;
    border: 1px solid;
    font-size: 0.9rem;
}

@keyframes slideDown {
    from { transform: translateY(-100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.notification.success {
    background: var(--success);
    border-color: var(--success);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--success-glow);
}

.notification.error {
    background: var(--danger);
    border-color: var(--danger);
    box-shadow: 0 0 20px var(--danger-glow);
}

.notification.show {
    display: block;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 0.85rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-card {
        padding: 15px 10px;
    }

    .stat-info h3 {
        font-size: 1.5rem;
    }

    .accounts-grid {
        grid-template-columns: 1fr;
    }

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

    .card-header {
        flex-direction: column;
        align-items: stretch;
    }

    .card-header .btn {
        width: 100%;
    }

    .account-actions {
        flex-direction: column;
    }

    .account-actions .btn {
        width: 100%;
    }

    .tabs {
        justify-content: flex-start;
    }

    .tab-btn {
        font-size: 0.85rem;
        padding: 10px 16px;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
    }

    table {
        font-size: 0.85rem;
    }

    th, td {
        padding: 10px 8px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0;
    }

    .tab-content {
        padding: 10px;
    }

    .card {
        padding: 15px 12px;
        border-radius: 8px;
    }

    header {
        padding: 30px 15px 20px;
    }

    .modal-content {
        margin: 10px auto;
        width: calc(100% - 20px);
    }

    .notification {
        left: 10px;
        right: 10px;
        top: 10px;
    }
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Nested Accordion Styles */
.nested-accordion {
    margin: 8px 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.nested-accordion-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s ease;
    min-height: 44px;
}

.nested-accordion-header:hover {
    background: var(--bg-card-hover);
}

.nested-accordion-header:active {
    background: var(--bg-card);
}

.nested-accordion-icon {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    color: var(--accent);
    flex-shrink: 0;
}

.nested-accordion.expanded .nested-accordion-icon {
    transform: rotate(90deg);
}

.nested-accordion-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.nested-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.nested-accordion.expanded .nested-accordion-content {
    max-height: 1500px;
    padding: 0 14px 12px;
}

.nested-accordion .account-details {
    margin: 0;
}

.nested-accordion .member-list {
    margin-top: 8px;
}