@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0A0A0A;
    --bg-secondary: #1A1A1A;
    --bg-tertiary: #2C2C2E;
    --bg-quaternary: #3C3C3F;

    --text-primary: #FFFFFF;
    --text-secondary: #EBEBF5;
    --text-tertiary: #AEAEB2;
    --text-quaternary: #8E8E92;

    --surface-bg: rgba(255, 255, 255, 0.05);
    --surface-border: rgba(255, 255, 255, 0.1);
    --surface-border-secondary: rgba(255, 255, 255, 0.08);

    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.6);

    --radius: 12px;
    --radius-large: 24px;
    --radius-small: 8px;

    --primary-color: #007AFF;
    --secondary-color: #5AC8FA;
    --success-color: #30D158;
    --error-color: #FF3B30;
}

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

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.4;
    font-size: 14px;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: rotate(45deg);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

.top-row {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    align-items: flex-start;
}

.tabs-navigation {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: var(--surface-bg);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius);
    padding: 6px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: relative;
}

.tabs-navigation::-webkit-scrollbar {
    display: none;
}

.tabs-navigation::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(to left, var(--surface-bg), transparent);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tabs-navigation.scrolling::after {
    opacity: 1;
}

.tab-btn {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: var(--text-secondary);
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
    min-width: max-content;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.tab-btn i {
    font-size: 18px;
}

.tab-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tab-btn.active {
    background: transparent;
    color: var(--primary-color);
    box-shadow: none;
    transform: translateY(-2px);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.tab-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.tab-btn.active .tab-badge {
    background: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.3s ease-out forwards;
}

.tab-content.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

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

.header {
    flex: 1;
    text-align: center;
    margin: 10px 0;
}

.header h1 {
    font-family: 'Manrope', sans-serif;
    font-size: 26px;
    font-weight: 700;
    margin: 8px 0 4px;
    background: linear-gradient(135deg, var(--primary-color), #4A90E2, var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    min-height: 29px;
    display: inline-block;
}

.header p {
    color: var(--text-tertiary);
    font-size: 14px;
    font-weight: 400;
}

.devices-section {
    margin-bottom: 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-header h2 {
    font-family: 'Manrope', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.device-count {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
}

.device-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.device-card {
    background: var(--surface-bg);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius);
    padding: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
}

.device-card:hover {
    border-color: var(--surface-border-secondary);
}

.device-card.true {
    border-color: rgba(0, 122, 255, 0.3);
    background: rgba(0, 122, 255, 0.05);
}

.device-card.false {
    opacity: 0.7;
}

.device-content {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: space-between;
}

.device-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), #4A90E2, var(--secondary-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
    transition: all 0.3s ease;
}

.device-icon:hover {
    transform: scale(1.1);
    filter: brightness(1.2);
}

.device-icon [data-eva] {
    width: 20px;
    height: 20px;
}

.device-icon.inactive {
    background: var(--bg-tertiary);
    color: var(--text-quaternary);
}

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

.device-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    letter-spacing: -0.025em;
}

.device-details {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-tertiary);
}

.device-details.inactive {
    color: var(--text-quaternary);
}

.device-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.action-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
    font-family: 'Manrope', sans-serif;
    touch-action: manipulation;
}

.action-btn:hover:not(:disabled) {
    background: var(--bg-quaternary);
    transform: scale(1.05);
}

.action-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.action-btn [data-eva] {
    width: 18px;
    height: 18px;
}

.action-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-tertiary);
    color: var(--text-quaternary);
}

@media (max-width: 1024px) {
    .top-row {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 16px;
        font-size: 15px;
    }

    .container {
        max-width: 100%;
    }

    .header h1 {
        font-size: 24px;
    }

    .header p {
        font-size: 15px;
    }

    .device-card {
        padding: 16px;
    }

    .device-actions {
        gap: 8px;
    }

    .action-btn {
        width: 44px;
        height: 44px;
    }

    .action-btn [data-eva] {
        width: 20px;
        height: 20px;
    }

    .chart-content {
        height: 250px;
    }

    .form-input,
    .form-textarea {
        font-size: 16px;
        padding: 16px;
        min-height: 52px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 12px;
        font-size: 14px;
    }

    .device-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .device-actions {
        justify-content: flex-start;
        width: 100%;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .tabs-navigation {
        padding: 8px;
        gap: 6px;
        scroll-behavior: smooth;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 13px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .tab-btn i {
        font-size: 16px;
        margin-right: 4px;
    }

    .tab-badge {
        font-size: 11px;
        padding: 1px 6px;
    }

    .chart-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .chart-period-selector {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 6px;
    }

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

    .device-card {
        padding: 14px;
    }

    .device-icon {
        width: 36px;
        height: 36px;
    }

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

    .device-details {
        font-size: 11px;
    }
}

.sms-container {
    display: grid;
    gap: 24px;
    max-width: 1200px;
}

.sms-form-card {
    background: var(--surface-bg);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius);
    padding: 24px;
}

.sms-form-card h2 {
    font-family: 'Manrope', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 20px 0;
}

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

.form-group:last-of-type {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.form-input,
.form-textarea {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--surface-border);
    border-radius: 10px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: 'Manrope', sans-serif;
    transition: all 0.3s ease;
    box-sizing: border-box;
    min-height: 48px;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-textarea {
    resize: none;
    min-height: 100px;
    font-family: 'Manrope', sans-serif;
    line-height: 1.5;
}

.char-counter {
    margin-top: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: right;
}

.token-input-group {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.token-input-group .form-input {
    flex: 1;
    min-width: 600px;
}

.token-input-group .btn-primary {
    margin-top: 0;
    white-space: nowrap;
    align-self: stretch;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color), #4A90E2, var(--secondary-color));
}


.btn-primary {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary-color), #4A90E2, var(--secondary-color));
    border: none;
    border-radius: 12px;
    color: white;
    font-family: 'Manrope', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    margin-top: 24px;
    min-height: 48px;
    touch-action: manipulation;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
}

.btn-primary:active {
    transform: scale(0.98);
}

.settings-container {
    max-width: 100%;
}

.settings-header {
    text-align: center;
    margin-bottom: 32px;
}

.settings-header h2 {
    font-family: 'Manrope', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.settings-header p {
    font-size: 16px;
    color: var(--text-tertiary);
    margin: 0;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.settings-card {
    background: var(--surface-bg);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s ease;
}

.settings-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--surface-border);
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.05), rgba(90, 200, 250, 0.05));
}

.settings-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.settings-card-title h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.settings-card-title p {
    font-size: 14px;
    color: var(--text-tertiary);
    margin: 0;
}

.settings-form {
    padding: 24px;
}

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

.form-group:last-of-type {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
}

.input-group-with-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.input-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-action-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.input-action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.input-refresh-btn {
    background: linear-gradient(135deg, var(--primary-color), #4A90E2, var(--secondary-color));
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.input-refresh-btn:hover {
    background: linear-gradient(135deg, #0056CC, #3A7BD5, #4A90E2);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.channel-selector {
    margin-top: 8px;
}

.selected-channel {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 2px solid var(--surface-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.selected-channel:hover {
    border-color: var(--primary-color);
    background: rgba(0, 122, 255, 0.05);
}

.channel-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    flex-shrink: 0;
}

.channel-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.channel-name {
    font-family: 'Manrope', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.channel-status {
    font-size: 13px;
    color: var(--text-tertiary);
}

.channel-select-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.channel-select-btn:hover {
    background: var(--bg-quaternary);
    color: var(--primary-color);
}

.toggle-option {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
    cursor: pointer;
}

.toggle-info {
    flex: 1;
}

.toggle-label {
    display: block;
    font-family: 'Manrope', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.toggle-description {
    font-size: 13px;
    color: var(--text-tertiary);
    line-height: 1.4;
    margin: 0;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    transition: 0.3s;
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.input-with-suffix {
    position: relative;
}

.input-suffix {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    color: var(--text-tertiary);
    pointer-events: none;
}

.form-actions {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--surface-border);
    display: flex;
    justify-content: flex-end;
}

.info-stats {
    padding: 24px;
    display: grid;
    gap: 16px;
}

.info-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--surface-border);
}

.info-stat:last-child {
    border-bottom: none;
}

.info-label {
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    color: var(--text-secondary);
}

.info-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.status-active {
    color: var(--success-color);
}

.home-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 1400px;
}

.stats-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-box {
    background: var(--surface-bg);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius);
    padding: 24px;
}

.stat-box-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.stat-box-header i {
    color: var(--primary-color);
}

.stat-box-header h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
}

.stat-box-value {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.value-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
}

.value-number.online,
.value-number.success {
    color: var(--success-color);
}

.value-label {
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    color: var(--text-tertiary);
}

.charts-container {
    display: grid;
    gap: 24px;
}

.chart-card {
    background: var(--surface-bg);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius);
    padding: 24px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
}

.chart-title h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.chart-title p {
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    color: var(--text-tertiary);
    margin: 0;
}

.chart-period-selector {
    display: flex;
    gap: 6px;
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    max-width: 100%;
}

.chart-period-selector::-webkit-scrollbar {
    display: none;
}

.period-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex: 0 0 auto;
    min-width: max-content;
}

.period-btn:hover {
    color: var(--text-primary);
}

.period-btn.active {
    background: var(--primary-color);
    color: white;
}

.chart-content {
    height: 280px;
    position: relative;
}

.chart-content canvas {
    width: 100% !important;
    height: 100% !important;
}

.telegram-popup-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.telegram-popup-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.telegram-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-secondary);
    border-radius: 12px;
    width: 90%;
    max-width: 380px;
    max-height: 70vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid var(--surface-border);
}

.telegram-popup:last-of-type {
    z-index: 10000;
}

.telegram-popup.active {
    opacity: 1;
    visibility: visible;
}

.telegram-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--surface-border);
    background: var(--bg-tertiary);
}

.telegram-popup-header h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.telegram-popup-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s ease;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.telegram-popup-close:hover {
    background: var(--bg-quaternary);
    color: var(--text-primary);
}

.telegram-popup-content {
    max-height: 350px;
    overflow-y: auto;
    background: var(--bg-secondary);
}

.telegram-popup-content::-webkit-scrollbar {
    width: 6px;
}

.telegram-popup-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.telegram-popup-content::-webkit-scrollbar-thumb {
    background: var(--bg-quaternary);
    border-radius: 3px;
}

.telegram-popup-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

.telegram-channel-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    position: relative;
    min-height: 56px;
}

.telegram-channel-item:hover {
    background: rgba(148, 163, 184, 0.05);
}

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

.telegram-channel-item.selected {
    background: rgba(59, 130, 246, 0.1);
}

.telegram-channel-item[data-channel-id="-1"] {
    opacity: 0.7;
    border-left: 3px solid rgba(148, 163, 184, 0.3);
}

.telegram-channel-item[data-channel-id="-1"]:hover {
    background: rgba(148, 163, 184, 0.05);
    opacity: 0.9;
}

.channel-item-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.channel-item-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.channel-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.channel-item-name {
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.channel-item-description {
    font-size: 12px;
    color: var(--text-tertiary);
    margin: 0;
    line-height: 1.3;
}

.channel-item-check {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid rgba(148, 163, 184, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.telegram-channel-item.selected .channel-item-check {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.symbol-picker-popup {
    position: fixed;
    z-index: 9999;
    background: rgba(30, 30, 30, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.9) translateY(-10px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
    overflow: auto;
}

.symbol-picker-popup.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
}

.symbol-picker-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.symbol-item {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    cursor: pointer;
    transition: all 0.15s ease;
    touch-action: manipulation;
}

.symbol-item:hover {
    background: rgba(0, 122, 255, 0.2);
    border-color: rgba(0, 122, 255, 0.4);
    transform: scale(1.15);
}

.symbol-item:active {
    transform: scale(0.95);
}

html {
    scroll-behavior: smooth;
}

.action-btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

::selection {
    background: rgba(0, 122, 255, 0.3);
}

@media (max-width: 768px) {
    .settings-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .settings-header h2 {
        font-size: 24px;
    }

    .settings-header p {
        font-size: 15px;
    }

    .settings-card-header {
        padding: 16px 20px 12px;
    }

    .settings-card-icon {
        width: 40px;
        height: 40px;
    }

    .settings-form {
        padding: 20px;
    }

    .toggle-option {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .toggle-switch {
        align-self: flex-end;
    }

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

    .telegram-popup {
        width: 95%;
        max-width: none;
        margin: 16px;
        transform: none;
        top: 16px;
        left: 16px;
        right: 16px;
        bottom: 16px;
        border-radius: 8px;
        background: var(--bg-secondary);
        border: 1px solid var(--surface-border);
    }

    .telegram-popup-header {
        padding: 12px 16px;
        background: var(--bg-tertiary);
    }

    .telegram-popup-header h3 {
        font-size: 15px;
    }

    .telegram-channel-item {
        padding: 10px 14px;
        min-height: 52px;
        gap: 10px;
    }

    .channel-item-avatar {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .channel-item-name {
        font-size: 14px;
    }

    .channel-item-description {
        font-size: 12px;
    }

    .channel-item-check {
        width: 18px;
        height: 18px;
    }

    .telegram-popup-content {
        max-height: 45vh;
    }
}

@media (max-width: 480px) {
    .settings-header {
        text-align: center;
        margin-bottom: 24px;
    }

    .settings-header h2 {
        font-size: 22px;
    }

    .settings-card-header {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        padding: 16px;
    }

    .settings-card-icon {
        width: 36px;
        height: 36px;
    }

    .settings-card-title h3 {
        font-size: 16px;
    }

    .settings-form {
        padding: 16px;
    }

    .form-group label {
        font-size: 13px;
    }

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

    .selected-channel {
        padding: 10px 12px;
    }

    .channel-avatar {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

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

    .channel-status {
        font-size: 12px;
    }

    .telegram-popup {
        width: calc(100vw - 8px);
        height: calc(100vh - 8px);
        margin: 4px;
        border-radius: 6px;
        background: var(--bg-secondary);
        border: 1px solid var(--surface-border);
    }

    .telegram-popup-header {
        padding: 12px 14px;
    }

    .telegram-popup-header h3 {
        font-size: 14px;
    }

    .telegram-channel-item {
        padding: 8px 12px;
        gap: 8px;
        min-height: 48px;
    }

    .channel-item-avatar {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .channel-item-name {
        font-size: 13px;
    }

    .channel-item-description {
        font-size: 11px;
        -webkit-line-clamp: 1;
    }

    .channel-item-check {
        width: 16px;
        height: 16px;
    }
}