:root {
    --primary: #e0e0e0;
    --primary-dark: #c0c0c0;
    --primary-glow: rgba(224, 224, 224, 0.1);
    --accent: #f5f5f5;
    --success: #90ee90;
    --danger: #ff6b6b;
    --warning: #ffd93d;
    
    --bg: #000000;
    --bg-elevated: #0a0a0a;
    --bg-card: transparent;
    --bg-hover: rgba(255, 255, 255, 0.03);
    
    --text: #ffffff;
    --text-secondary: #999999;
    --text-tertiary: #555555;
    
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.12);
    --divider: rgba(255, 255, 255, 0.06);
    
    --radius: 6px;
    --radius-lg: 8px;
    --shadow: none;
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.8);
    --glow: 0 0 20px var(--primary-glow);
}

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

html {
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 0;
    margin: 0;
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
}

.section {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden {
    display: none !important;
}

#auth-section {
    max-width: 420px;
    margin: 0 auto;
    padding: 120px 24px 80px;
}

.logo-section {
    text-align: center;
    margin-bottom: 56px;
}

.logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 16px;
}

.tagline {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 400;
}

.auth-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--divider);
}

.tab-btn {
    flex: 1;
    padding: 12px 0;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 12px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tab-btn:hover {
    color: var(--text-secondary);
}

.tab-btn.active {
    color: var(--text);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--text);
}

.auth-form {
    background: transparent;
    padding: 0;
    display: none;
}

.auth-form.active {
    display: block;
}



.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-group input {
    width: 100%;
    padding: 14px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    color: var(--text);
    font-size: 15px;
    transition: all 0.2s;
}

.form-group input:hover {
    border-bottom-color: var(--border-hover);
}

.form-group input:focus {
    outline: none;
    border-bottom-color: var(--text);
}

.form-group small {
    display: block;
    margin-top: 8px;
    color: var(--text-tertiary);
    font-size: 11px;
}

/* Buttons */
.btn {
    padding: 10px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: transparent;
    color: var(--text-secondary);
}

.btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn:hover:not(:disabled) {
    color: var(--text);
    border-color: var(--border-hover);
    background: var(--bg-hover);
}

.btn-primary {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
    width: 100%;
}

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

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    color: var(--text);
}

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

.btn-outline:hover:not(:disabled) {
    color: var(--text);
    border-color: var(--border-hover);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--danger);
    color: var(--text);
}

/* Dashboard */
#dashboard-section {
    padding: 32px 24px;
}

.dashboard-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    margin-bottom: 48px;
    gap: 24px;
}

.dashboard-header h1 {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
}

.user-info {
    color: var(--text-secondary);
    font-size: 13px;
}

.user-info span {
    color: var(--text);
}

.header-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Stats Grid */
.stats-grid {
    display: flex;
    gap: 48px;
    margin-bottom: 56px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--divider);
}

.stat-card {
    background: transparent;
    padding: 0;
    border: none;
    transition: all 0.2s;
}

.stat-card:hover .stat-value {
    color: var(--primary);
}

.stat-icon {
    display: none;
}

.stat-value {
    font-size: 32px;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: -0.02em;
    transition: color 0.2s;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 400;
}

/* Cards */
.card {
    background: transparent;
    border: none;
    margin-bottom: 56px;
}

.card-header {
    padding: 0 0 20px 0;
    border-bottom: 1px solid var(--divider);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.card-header h2 {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.card-body {
    padding: 0;
    width: 100%;
    overflow: hidden;
}

/* Addons List */
.addons-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    overflow: hidden;
}

.addon-item {
    background: transparent;
    padding: 20px 0;
    border: none;
    border-bottom: 1px solid var(--divider);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: all 0.2s;
    width: 100%;
    overflow: hidden;
}

.addon-item:hover {
    background: var(--bg-hover);
    padding-left: 16px;
    padding-right: 16px;
    margin-left: -16px;
    margin-right: -16px;
}

.addon-item:last-child {
    border-bottom: none;
}

.addon-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.addon-name {
    font-size: 15px;
    font-weight: 400;
    margin-bottom: 6px;
    color: var(--text);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.addon-description {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 6px;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.addon-url {
    color: var(--text-tertiary);
    font-size: 11px;
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    word-break: break-all;
    max-width: 100%;
}

.addon-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.2s;
}

.addon-item:hover .addon-actions {
    opacity: 1;
}

.btn-icon {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-icon:hover {
    background: var(--bg-elevated);
    color: var(--text);
    border-color: var(--border-hover);
}

.btn-icon.delete:hover {
    background: transparent;
    color: var(--danger);
    border-color: var(--danger);
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    display: none;
}

.empty-state h3 {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text);
    font-weight: 400;
}

.empty-state p {
    font-size: 12px;
    color: var(--text-tertiary);
}

.loading {
    text-align: center;
    padding: 60px;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 24px;
}

.modal-content {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--divider);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 14px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.modal-close {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius);
    transition: all 0.15s;
    font-size: 16px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text);
    border-color: var(--border-hover);
}

.modal-body {
    padding: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.modal-actions button {
    flex: 1;
}

.addon-preview {
    background: transparent;
    border: 1px solid var(--divider);
    padding: 20px;
    border-radius: var(--radius);
    margin-top: 20px;
}

.addon-preview h4 {
    margin-bottom: 16px;
    font-size: 11px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.preview-content p {
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.preview-content strong {
    color: var(--text);
    font-weight: 400;
}

/* Trackers */
.trackers-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 20px;
}

.tracker-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--divider);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.tracker-item:hover {
    background: var(--bg-hover);
    padding-left: 16px;
    padding-right: 16px;
    margin-left: -16px;
    margin-right: -16px;
}

.tracker-item:last-child {
    border-bottom: none;
}

.tracker-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tracker-icon {
    display: none;
}

.tracker-name {
    font-size: 15px;
    font-weight: 400;
    margin-bottom: 4px;
    color: var(--text);
}

.tracker-status {
    color: var(--text-secondary);
    font-size: 12px;
}

.tracker-badge {
    padding: 4px 10px;
    border-radius: var(--radius);
    font-size: 10px;
    font-weight: 400;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tracker-badge.connected {
    background: transparent;
    border-color: var(--success);
    color: var(--success);
}

.info-text {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.6;
}

/* Danger Zone */
.danger-card {
    border: none;
    padding-top: 32px;
    border-top: 1px solid var(--divider);
}

.danger-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.danger-actions h4 {
    margin-bottom: 6px;
    color: var(--danger);
    font-size: 14px;
    font-weight: 400;
}

.danger-actions p {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.6;
}

/* Messages */
.message {
    margin-top: 20px;
    padding: 12px 0;
    border-radius: 0;
    font-size: 12px;
    display: none;
    border: none;
    border-left: 2px solid;
    padding-left: 16px;
}

.message.show {
    display: block;
}

.message.error {
    background: transparent;
    color: var(--danger);
    border-color: var(--danger);
}

.message.success {
    background: transparent;
    color: var(--success);
    border-color: var(--success);
}

/* Toast */
#toast-container {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 14px 20px;
    border-radius: var(--radius);
    min-width: 300px;
    animation: slideUp 0.3s ease-out;
    font-size: 12px;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.toast.success {
    border-color: var(--success);
    color: var(--success);
}

.toast.error {
    border-color: var(--danger);
    color: var(--danger);
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }

    .container {
        padding: 0 16px;
        max-width: 100vw;
        overflow-x: hidden;
    }

    #auth-section {
        padding: 60px 16px 40px;
        max-width: 100%;
    }

    .logo {
        max-width: 160px;
    }

    #dashboard-section {
        padding: 24px 16px;
        max-width: 100%;
        overflow-x: hidden;
    }

    .dashboard-header {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 32px;
    }

    .dashboard-header h1 {
        font-size: 24px;
        word-wrap: break-word;
    }

    .header-actions {
        width: 100%;
        flex-direction: column;
    }

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

    .stats-grid {
        flex-direction: column;
        gap: 24px;
        padding-bottom: 24px;
        margin-bottom: 32px;
    }

    .stat-card {
        text-align: center;
    }

    .card {
        margin-bottom: 40px;
        width: 100%;
        overflow: hidden;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 0 16px 0;
        width: 100%;
    }

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

    .addon-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 0;
        gap: 12px;
        width: 100%;
    }

    .addon-item:hover {
        padding-left: 0;
        padding-right: 0;
        margin-left: 0;
        margin-right: 0;
    }

    .addon-info {
        width: 100%;
        max-width: 100%;
    }

    .addon-name {
        font-size: 14px;
    }

    .addon-description {
        font-size: 12px;
    }

    .addon-url {
        font-size: 10px;
        white-space: normal;
        word-break: break-all;
    }

    .addon-actions {
        width: 100%;
        justify-content: flex-start;
        opacity: 1;
    }

    .btn-icon {
        font-size: 11px;
        padding: 6px 12px;
    }

    .danger-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

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

    .modal {
        padding: 16px;
    }

    .modal-content {
        max-height: 85vh;
        max-width: 100%;
    }

    .modal-header {
        padding: 20px 20px 16px;
    }

    .modal-body {
        padding: 20px;
    }

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

    .modal-actions button {
        width: 100%;
    }

    #toast-container {
        bottom: 16px;
        right: 16px;
        left: 16px;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }

    .form-group input {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    #auth-section {
        padding: 40px 12px 30px;
    }

    #dashboard-section {
        padding: 20px 12px;
    }

    .logo {
        max-width: 140px;
    }

    .dashboard-header h1 {
        font-size: 20px;
    }

    .stat-value {
        font-size: 28px;
    }

    .card-header h2 {
        font-size: 14px;
    }

    .addon-name {
        font-size: 13px;
    }

    .addon-description {
        font-size: 11px;
    }

    .addon-url {
        font-size: 9px;
    }

    .btn {
        padding: 10px 16px;
        font-size: 11px;
    }

    .form-group input {
        padding: 12px 0;
        font-size: 16px;
    }
}