:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--gray-800);
    font-size: 14px;
}


.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    font-size: 48px;
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 1.5rem;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.login-form .input-wrapper {
    position: relative;
}

.login-form .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: var(--gray-400);
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px 14px 12px 44px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 15px;
    transition: all 0.2s;
    outline: none;
}

.login-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.login-form .btn-login {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.login-form .btn-login:hover {
    background: var(--primary-dark);
}

.login-form .btn-login:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
}

.login-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.login-error.show {
    display: block;
}

.login-footer {
    margin-top: 24px;
    text-align: center;
    color: var(--gray-500);
    font-size: 13px;
}


.force-logout-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    display: none;
}

.force-logout-modal.active {
    display: flex;
}

.force-logout-content {
    background: white;
    border-radius: var(--radius);
    padding: 30px;
    max-width: 400px;
    text-align: center;
}

.force-logout-content .icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.force-logout-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--gray-800);
}

.force-logout-content p {
    color: var(--gray-600);
    margin-bottom: 8px;
    font-size: 14px;
}

.force-logout-content .warning {
    color: var(--danger);
    font-size: 13px;
    margin-top: 16px;
    margin-bottom: 20px;
}

.force-logout-content .btn-relogin {
    padding: 12px 32px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    cursor: pointer;
}


.device-list-page { min-height: 100vh; padding: 20px; }

.page-header { text-align: center; padding: 30px 0 40px; color: white; }
.page-header h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 8px; }
.page-header p { opacity: 0.9; }

.filter-toolbar {
    max-width: 1600px;
    width: calc(100% - 40px);
    margin: 0 auto 20px;
}

.table-container {
    max-width: 1600px;
    width: calc(100% - 40px);
    margin: 0 auto;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.device-table {
    width: 100%;
    border-collapse: collapse;
}

.device-table th {
    background: var(--gray-50);
    padding: 16px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-600);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
    font-size: 0.85rem;
}

.device-table td {
    padding: 14px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    vertical-align: middle;
    font-size: 0.9rem;
}

.device-table tbody tr:hover {
    background: var(--gray-50);
}

.device-table tbody tr {
    cursor: pointer;
    transition: all 0.2s;
}

.status-cell {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-cell.online {
    background: #dcfce7;
    color: #166534;
}

.status-cell.offline {
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.status-cell.online .status-dot {
    animation: pulse 2s infinite;
}

.acc-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.acc-badge.enabled {
    background: #dcfce7;
    color: #166534;
}

.acc-badge.disabled {
    background: #fee2e2;
    color: #991b1b;
}

.no-devices-row td {
    padding: 0;
}

.no-devices {
    text-align: center; padding: 60px 20px;
    color: var(--gray-400);
}
.no-devices-icon { font-size: 3rem; margin-bottom: 15px; }
.no-devices h3 { color: var(--gray-500); font-size: 1.2rem; margin-bottom: 8px; }
.no-devices p { color: var(--gray-400); font-size: 0.9rem; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }


.device-detail-page { display: none; background: var(--gray-100); min-height: 100vh; }
.device-detail-page.active { display: block; }

.top-nav {
    background: white; padding: 12px 20px;
    display: flex; align-items: center; justify-content: space-between;
    box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100;
    gap: 20px;
}

.nav-left { display: flex; align-items: center; gap: 15px; flex-shrink: 0; }

.btn-back {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 16px; background: var(--gray-100);
    border: none; border-radius: var(--radius-sm);
    color: var(--gray-700); cursor: pointer; font-size: 0.9rem;
}
.btn-back:hover { background: var(--gray-200); }

.current-device-name { font-weight: 600; color: var(--gray-800); font-size: 1rem; }

.nav-center-passwords {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    overflow: hidden;
    min-width: 0;
}

.pwd-item {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.pwd-label {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.pwd-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--gray-50);
    padding: 4px 10px;
    border-radius: 4px;
}

.connection-indicator { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; flex-shrink: 0; }
.connection-indicator.connected { color: var(--success); }
.connection-indicator.disconnected { color: var(--danger); }

.main-content { display: flex; height: calc(100vh - 56px); }


.left-panel {
    flex: 5; background: white;
    display: flex; flex-direction: column;
    border-right: 1px solid var(--gray-200);
    min-width: 300px;
}

.device-info-card { padding: 20px; border-bottom: 1px solid var(--gray-100); }

.device-info-header { display: flex; align-items: center; gap: 15px; margin-bottom: 16px; }

.device-info-avatar {
    width: 64px; height: 64px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; color: white;
}

.device-info-text h2 { font-size: 1.2rem; color: var(--gray-800); margin-bottom: 4px; }
.device-info-text p { font-size: 0.85rem; color: var(--gray-500); }

.device-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.stat-item { text-align: center; padding: 12px; background: var(--gray-50); border-radius: var(--radius-sm); }
.stat-value { font-size: 1.1rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.7rem; color: var(--gray-500); margin-top: 2px; }


.notes-section {
    padding: 15px 20px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 10px;
}

.notes-section label {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: 500;
}

.notes-section input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.notes-section input:focus {
    outline: none;
    border-color: var(--primary);
}

.notes-section button {
    padding: 8px 16px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
}


.notes-input-mini {
    width: 100%;
    min-width: 80px;
    max-width: 150px;
    padding: 4px 8px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    background: var(--gray-50);
}
.notes-input-mini:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
}


.data-tabs {
    display: flex; flex-wrap: wrap; gap: 4px; padding: 12px;
    background: var(--gray-50); border-bottom: 1px solid var(--gray-200);
}


.sms-search-box {
    display: none;
    padding: 10px 12px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    gap: 8px;
    align-items: center;
}
.sms-search-box.active {
    display: flex;
}
.sms-search-box input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
}
.sms-search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}
.sms-search-box button {
    padding: 8px 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
}
.sms-search-box button:hover {
    background: var(--primary-dark);
}
.sms-search-box .btn-clear {
    background: var(--gray-400);
}
.sms-search-box .btn-clear:hover {
    background: var(--gray-500);
}
.sms-search-result {
    padding: 8px 12px;
    background: #f59e0b;
    color: white;
    font-size: 0.85rem;
    display: none;
}
.sms-search-result.active {
    display: block;
}


.keylog-filter-box {
    display: none;
    padding: 10px 12px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    flex-direction: column;
    gap: 8px;
}
.keylog-filter-box.active {
    display: flex;
}
.keylog-filter-box .filter-row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.keylog-filter-box select,
.keylog-filter-box input[type="date"],
.keylog-filter-box input[type="text"] {
    padding: 6px 10px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    outline: none;
}
.keylog-filter-box select {
    min-width: 120px;
}
.keylog-filter-box input[type="text"] {
    flex: 1;
    min-width: 150px;
}
.keylog-filter-box input:focus,
.keylog-filter-box select:focus {
    border-color: var(--primary);
}
.keylog-filter-box button {
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
}
.keylog-filter-box button:hover {
    background: var(--primary-dark);
}
.keylog-filter-box .btn-clear {
    background: var(--gray-400);
}
.keylog-filter-box .btn-refresh {
    background: var(--success);
}


.file-toolbar {
    display: none;
    padding: 10px 12px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}
.file-toolbar.active {
    display: block;
}
.file-toolbar .path-bar {
    display: flex;
    gap: 8px;
    align-items: center;
}
.file-toolbar .path-label {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: 500;
}
.file-toolbar input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: monospace;
}
.file-toolbar input:focus {
    outline: none;
    border-color: var(--primary);
}
.file-toolbar button {
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
}
.file-toolbar button:hover {
    background: var(--primary-dark);
}


.app-toolbar {
    display: none;
    padding: 10px 12px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}
.app-toolbar.active {
    display: block;
}
.app-toolbar .toolbar-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.toolbar-btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}
.toolbar-btn.primary {
    background: var(--primary);
    color: white;
}
.toolbar-btn.primary:hover {
    background: var(--primary-dark);
}
.toolbar-btn.success {
    background: var(--success);
    color: white;
}
.toolbar-btn.success:hover {
    background: #059669;
}
.toolbar-btn.danger {
    background: var(--danger);
    color: white;
}
.toolbar-btn.danger:hover {
    background: #dc2626;
}


.app-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
}
.app-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}
.app-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}
.app-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.app-icon img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    object-fit: cover;
}
.app-info {
    flex: 1;
    min-width: 0;
}
.app-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.app-package {
    font-size: 0.75rem;
    color: var(--gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}
.app-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}
.app-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s;
}
.app-btn.open {
    background: var(--primary);
    color: white;
}
.app-btn.open:hover {
    background: var(--primary-dark);
}
.app-btn.uninstall {
    background: var(--danger);
    color: white;
}
.app-btn.uninstall:hover {
    background: #dc2626;
}


.camera-toolbar {
    display: none;
    padding: 10px 12px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}
.camera-toolbar.active {
    display: block;
}
.camera-toolbar .toolbar-row {
    display: flex;
    gap: 10px;
    align-items: center;
}


.camera-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 400px;
}
.camera-view {
    width: 100%;
    max-width: 480px;
    background: #000;
    border-radius: var(--radius);
    overflow: visible;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
    padding: 60px 0;
}
.camera-view img {
    max-width: 100%;
    max-height: 480px;
    display: block;
    transform: rotate(90deg);
}
.camera-placeholder {
    width: 100%;
    max-width: 480px;
    height: 320px;
    background: var(--gray-800);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
}
.camera-placeholder-icon {
    font-size: 64px;
    margin-bottom: 16px;
}
.camera-placeholder p {
    font-size: 0.9rem;
}


.file-item {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    background: white;
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    border: 1px solid var(--gray-100);
    cursor: pointer;
    transition: all 0.2s;
}
.file-item:hover {
    border-color: var(--primary-light);
    background: var(--gray-50);
}
.file-item .file-icon {
    font-size: 1.3rem;
    margin-right: 12px;
}
.file-item .file-info {
    flex: 1;
}
.file-item .file-name {
    font-weight: 500;
    color: var(--gray-800);
    font-size: 0.9rem;
}
.file-item .file-meta {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 2px;
}
.file-item .file-actions {
    display: flex;
    gap: 6px;
}
.file-item .file-btn {
    padding: 4px 8px;
    border: none;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
}
.file-item .file-btn.view {
    background: var(--primary);
    color: white;
}
.file-item .file-btn.delete {
    background: var(--danger);
    color: white;
}
.file-item .file-btn.rename {
    background: var(--warning);
    color: white;
}


.file-content-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.file-content-dialog {
    background: white;
    border-radius: var(--radius);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}
.file-content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
}
.file-content-header button {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
}
.file-content-header button:hover {
    background: var(--gray-100);
}
.file-content-body {
    flex: 1;
    overflow: auto;
    padding: 16px;
}
.file-content-body pre {
    margin: 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.5;
}


.event-type-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--primary-light);
    color: white;
    border-radius: 10px;
    font-size: 0.7rem;
}

.data-tab {
    padding: 8px 14px; border: none; background: transparent;
    color: var(--gray-600); font-size: 0.8rem; font-weight: 500;
    border-radius: var(--radius-sm); cursor: pointer;
}
.data-tab:hover { background: white; color: var(--gray-800); }
.data-tab.active { background: var(--primary); color: white; }


.data-content { flex: 1; overflow-y: auto; }

.data-list { padding: 12px; }

.data-item {
    background: white; border-radius: var(--radius-sm);
    padding: 14px; margin-bottom: 10px;
    border: 1px solid var(--gray-100);
    cursor: pointer; transition: all 0.2s;
}
.data-item:hover { border-color: var(--primary-light); box-shadow: 0 2px 8px rgba(99,102,241,0.1); }

.data-item-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.data-item-title { font-weight: 600; color: var(--gray-800); font-size: 0.95rem; }
.data-item-time { font-size: 0.75rem; color: var(--gray-400); }
.data-item-content { color: var(--gray-600); font-size: 0.85rem; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.data-item-meta { margin-top: 8px; font-size: 0.75rem; color: var(--gray-400); }


.app-item {
    background: white; border-radius: var(--radius-sm);
    padding: 12px 14px; margin-bottom: 8px;
    border: 1px solid var(--gray-100);
    display: flex; align-items: center; gap: 12px;
}
.app-icon { font-size: 1.5rem; }
.app-name { flex: 1; font-weight: 500; color: var(--gray-700); }
.app-btns { display: flex; gap: 6px; }
.app-btn {
    padding: 4px 10px; border: none; border-radius: 4px;
    font-size: 0.75rem; cursor: pointer;
}
.app-btn.open { background: var(--primary); color: white; }
.app-btn.inject { background: var(--warning); color: white; }
.app-btn.uninstall { background: var(--gray-200); color: var(--gray-700); }
.app-btn.popup { background: var(--success); color: white; }

.content-placeholder { text-align: center; padding: 60px 20px; color: var(--gray-400); }
.content-placeholder-icon { font-size: 3rem; margin-bottom: 15px; }


.right-panel {
    flex: 5; display: flex; flex-direction: column;
    padding: 15px; background: var(--gray-100); overflow: hidden;
}

.screen-area-wrapper {
    flex: 1;
    display: flex;
    gap: 12px;
    overflow: hidden;
    min-height: 0;
}

.control-buttons-outer {
    width: 80px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow-y: auto;
    flex-shrink: 0;
    padding: 10px 8px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.nav-keys-spacer {
    height: 20px;
    flex-shrink: 0;
}

.nav-btn {
    padding: 8px 6px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
    transition: all 0.2s;
}
.nav-btn:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(245, 158, 11, 0.4);
}

.dual-screen-container {
    flex: 1;
    display: flex;
    gap: 15px;
    overflow: hidden;
    min-width: 0;
}

.screen-section {
    flex: 1; display: flex; flex-direction: column;
    background: white; border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden;
    min-width: 0;
}

.screen-header {
    padding: 10px 14px; background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    display: flex; align-items: center; justify-content: space-between;
    flex-shrink: 0;
}
.screen-title { font-weight: 600; color: var(--gray-700); font-size: 0.9rem; }

.screen-toggle { display: flex; gap: 6px; }
.toggle-btn {
    padding: 5px 12px; border: none; border-radius: var(--radius-sm);
    font-size: 0.8rem; font-weight: 500; cursor: pointer;
}
.toggle-btn.on { background: var(--success); color: white; }
.toggle-btn.off { background: var(--gray-200); color: var(--gray-600); }

.screen-body { flex: 1; display: flex; padding: 10px; overflow: hidden; min-height: 0; }

.control-buttons {
    width: 75px; display: flex; flex-direction: column;
    gap: 5px; overflow-y: auto; flex-shrink: 0;
}

.ctrl-btn {
    padding: 7px 6px; border: none; border-radius: var(--radius-sm);
    font-size: 0.7rem; font-weight: 500; cursor: pointer; text-align: center;
    transition: all 0.15s;
}
.ctrl-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}
.ctrl-btn.primary { background: var(--primary); color: white; }
.ctrl-btn.danger { background: var(--danger); color: white; }
.ctrl-btn.success { background: var(--success); color: white; }
.ctrl-btn.secondary { background: var(--gray-200); color: var(--gray-700); }

.paste-input {
    width: 100%; padding: 6px; border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm); font-size: 0.75rem; margin-bottom: 5px;
}
.paste-input:focus { outline: none; border-color: var(--primary); }

.phone-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: 0;
    background: white;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--gray-400); font-size: 0.85rem;
    overflow: hidden; position: relative; cursor: crosshair;
    min-height: 0;
}
.phone-screen img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0;
    pointer-events: none;
    user-select: none;
}


.bottom-controls {
    background: white;
    border-radius: var(--radius);
    padding: 12px 15px;
    margin-top: 12px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.input-row-combined {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.input-row-combined label {
    font-size: 0.85rem;
    color: var(--gray-600);
    white-space: nowrap;
}

.input-row-combined input {
    flex: 1;
    min-width: 120px;
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.input-row-combined input:focus {
    outline: none;
    border-color: var(--primary);
}

.input-row-combined select {
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.input-row-combined button {
    padding: 8px 16px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    white-space: nowrap;
}

.input-divider {
    width: 1px;
    height: 24px;
    background: var(--gray-300);
    margin: 0 5px;
}

.nav-keys-vertical {
    display: flex;
    flex-direction: column;
    gap: 5px;
    justify-content: center;
    width: 70px;
    flex-shrink: 0;
}

.nav-key-v {
    padding: 10px 6px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}
.nav-key-v:hover { background: var(--primary-dark); }

.nav-and-input-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-keys {
    display: flex;
    gap: 8px;
}

.password-display-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 8px 0;
}

.password-label {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
}

.password-value {
    padding: 8px 20px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    min-width: 120px;
    text-align: center;
}

.nav-key {
    padding: 8px 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
}
.nav-key:hover { background: var(--primary-dark); }

.input-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-row label {
    font-size: 0.85rem;
    color: var(--gray-600);
    min-width: 80px;
}

.input-row input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.input-row input:focus {
    outline: none;
    border-color: var(--primary);
}

.input-row select {
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.input-row button {
    padding: 8px 16px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
}


.toast {
    position: fixed; bottom: 30px; left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(0,0,0,0.85); color: white;
    padding: 12px 24px; border-radius: var(--radius-sm);
    font-size: 0.9rem; z-index: 1000;
    opacity: 0; transition: all 0.3s ease;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

@keyframes clickPulse {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}


::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); border-radius: 3px; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }


.modal-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 1000;
    justify-content: center; align-items: center;
}
.modal-overlay.active { display: flex; }

.modal-content {
    background: white; border-radius: var(--radius); width: 90%; max-width: 500px;
    max-height: 80vh; overflow: hidden; box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 16px 20px; border-bottom: 1px solid var(--gray-200);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 1.1rem; color: var(--gray-800); }

.modal-close {
    width: 32px; height: 32px; border: none; background: var(--gray-100);
    border-radius: 50%; cursor: pointer; font-size: 1.2rem; color: var(--gray-600);
}
.modal-close:hover { background: var(--gray-200); }

.modal-body { padding: 20px; overflow-y: auto; max-height: calc(80vh - 60px); }

.sms-detail-phone { font-size: 1.5rem; font-weight: 700; color: var(--gray-800); margin-bottom: 8px; }
.sms-detail-time { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 20px; }
.sms-detail-content {
    background: var(--gray-50); padding: 16px; border-radius: var(--radius-sm);
    color: var(--gray-700); line-height: 1.6; white-space: pre-wrap; word-break: break-word;
}

/* ==================== 主账号导航菜单 ==================== */
.master-nav-menu {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.master-nav-menu .nav-tab {
    padding: 10px 24px;
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.master-nav-menu .nav-tab:hover {
    background: rgba(255,255,255,0.3);
}

.master-nav-menu .nav-tab.active {
    background: white;
    color: var(--primary);
    border-color: white;
}

/* ==================== 子账号管理页面 ==================== */
.sub-account-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.sub-account-page .page-header {
    text-align: center;
    padding: 40px 20px 30px;
    position: relative;
}

.sub-account-page .page-header h1 {
    color: white;
    font-size: 2rem;
    margin-bottom: 8px;
}

.sub-account-page .page-header p {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
}

/* ==================== 弹窗样式增强 ==================== */
/* 注意: modal-overlay的display:none已在上面定义，这里只增强其他样式 */
.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ==================== 工具栏按钮样式 ==================== */
.master-toolbar button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.master-toolbar button:active {
    transform: translateY(0);
}

/* ==================== 表格复选框样式 ==================== */
.device-checkbox {
    cursor: pointer;
    accent-color: var(--primary);
}

/* ==================== 响应式布局 ==================== */

/* 大屏幕 */
@media (min-width: 1400px) {
    .screen-area-wrapper {
        gap: 15px;
    }
    .dual-screen-container {
        gap: 20px;
    }
    .screen-body {
        padding: 15px;
    }
    .control-buttons-outer {
        width: 85px;
    }
}

/* 中等屏幕 */
@media (max-width: 1399px) and (min-width: 1100px) {
    .left-panel {
        min-width: 280px;
    }
    .screen-area-wrapper {
        gap: 10px;
    }
    .dual-screen-container {
        gap: 12px;
    }
    .screen-body {
        padding: 10px;
    }
    .control-buttons-outer {
        width: 75px;
        padding: 8px 6px;
    }
    .ctrl-btn {
        font-size: 0.65rem;
        padding: 6px 4px;
    }
    .nav-btn {
        font-size: 0.65rem;
        padding: 7px 4px;
    }
}

/* 较小屏幕 */
@media (max-width: 1099px) and (min-width: 900px) {
    .left-panel {
        flex: 4;
        min-width: 250px;
    }
    .right-panel {
        flex: 6;
    }
    .screen-area-wrapper {
        gap: 8px;
    }
    .dual-screen-container {
        gap: 10px;
    }
    .screen-body {
        padding: 8px;
    }
    .control-buttons-outer {
        width: 70px;
        padding: 6px 5px;
        gap: 4px;
    }
    .ctrl-btn {
        font-size: 0.6rem;
        padding: 5px 3px;
    }
    .nav-btn {
        font-size: 0.6rem;
        padding: 6px 3px;
    }
    .nav-keys-spacer {
        height: 15px;
    }
    .nav-center-passwords {
        gap: 12px;
    }
    .pwd-label {
        font-size: 0.75rem;
    }
    .pwd-value {
        font-size: 0.8rem;
        padding: 3px 8px;
    }
    .input-row-combined {
        gap: 8px;
    }
    .input-row-combined label {
        font-size: 0.8rem;
    }
    .input-row-combined input,
    .input-row-combined select,
    .input-row-combined button {
        font-size: 0.8rem;
        padding: 6px 10px;
    }
}

/* 小屏幕 */
@media (max-width: 899px) {
    .main-content {
        flex-direction: column;
        height: auto;
        min-height: calc(100vh - 56px);
    }
    .left-panel {
        flex: none;
        min-width: 100%;
        max-height: 40vh;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }
    .right-panel {
        flex: 1;
        min-height: 60vh;
    }
    .screen-area-wrapper {
        flex-direction: row;
        gap: 8px;
    }
    .control-buttons-outer {
        width: 65px;
        padding: 6px 4px;
    }
    .dual-screen-container {
        flex-direction: column;
        gap: 10px;
    }
    .screen-section {
        min-height: 250px;
    }
    .nav-center-passwords {
        flex-wrap: wrap;
        gap: 8px;
    }
    .input-row-combined {
        flex-wrap: wrap;
    }
    .input-divider {
        display: none;
    }
    .ctrl-btn {
        font-size: 0.55rem;
        padding: 5px 3px;
    }
    .nav-btn {
        font-size: 0.55rem;
        padding: 6px 3px;
    }
}

/* 超小屏幕 */
@media (max-width: 600px) {
    .top-nav {
        padding: 10px 15px;
        flex-wrap: wrap;
    }
    .nav-left {
        gap: 10px;
    }
    .btn-back {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    .current-device-name {
        font-size: 0.9rem;
    }
    .nav-center-passwords {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        margin-top: 8px;
    }
    .device-info-card {
        padding: 15px;
    }
    .device-info-avatar {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }
    .device-info-text h2 {
        font-size: 1rem;
    }
    .bottom-controls {
        padding: 10px;
    }
    .control-buttons-outer {
        width: 60px;
    }
}