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

:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #141417;
    --bg-tertiary: #1a1a1c;
    --sidebar-bg: #0f0f11;
    --card-bg: #1a1a1c;
    --hover-bg: #252527;
    --active-bg: #2d2d30;
    --primary: #ec4899;
    --primary-light: #f472b6;
    --primary-dim: rgba(236, 72, 153, 0.15);
    --primary-accent: rgba(236, 72, 153, 0.25);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border: #2a2a2e;
    --border-light: #3a3a3e;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    overflow: hidden;
    font-weight: 400;
}

.app {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: width 0.3s ease, opacity 0.3s ease;
    overflow: hidden;
}

.sidebar.hidden {
    width: 0;
    opacity: 0;
    border-right: none;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 2px solid var(--border);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.2s ease;
}

.logo:hover {
    transform: translateX(2px);
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 6px;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.btn-inbox {
    display: flex;
    align-items: center;
    gap: 12px;
    width: calc(100% - 32px);
    margin: 16px;
    padding: 14px 18px;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-md);
}

.btn-inbox:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-inbox.active {
    background: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-dim);
}

.btn-inbox i {
    width: 20px;
    height: 20px;
}

.btn-inbox .badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.25);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

.sidebar-section {
    padding: 20px 16px 12px;
}

.sidebar-section:last-child {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-bottom: 20px;
    overflow: hidden;
}

.section-title {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0 12px;
    margin-bottom: 12px;
    letter-spacing: 1px;
    font-weight: 700;
    text-transform: uppercase;
}

.sidebar-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    font-weight: 500;
    margin-bottom: 8px;
}

.sidebar-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--primary);
    transform: translateX(4px);
}

.sidebar-btn i {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

.saved-emails-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.saved-email-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.2s ease;
    margin-bottom: 6px;
    background: var(--bg-secondary);
    border: 1px solid transparent;
}

.saved-email-item .email-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.saved-email-item:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--border);
    transform: translateX(4px);
}

.saved-email-item.active {
    background: var(--primary-dim);
    color: var(--primary);
    border-color: var(--primary);
    font-weight: 600;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px;
    background: var(--card-bg);
    border-bottom: 2px solid var(--border);
    gap: 24px;
    box-shadow: var(--shadow-sm);
}

.top-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
}

.email-display {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    max-width: 330px;
    background: var(--bg-secondary);
    padding: 3px 18px;
    border-radius: 12px;
    border: 2px solid var(--border);
    transition: all 0.2s ease;
}

.email-display:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-dim);
}

.lock-icon {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.email-display input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Courier New', monospace;
    outline: none;
    cursor: default;
    font-weight: 500;
    min-width: 0;
}

.btn-copy-email {
    padding: 6px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    flex-shrink: 0;
}

.btn-copy-email:hover {
    background: var(--hover-bg);
    color: var(--primary);
    transform: scale(1.1);
}

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

.btn-copy-email i {
    width: 16px;
    height: 16px;
}

.session-timer {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-dim);
    padding: 4px 10px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    white-space: nowrap;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-action {
    padding: 10px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-action:hover {
    background: var(--hover-bg);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-action i,
.btn-action svg {
    width: 18px;
    height: 18px;
    transition: transform 0.2s ease;
}

.btn-action:hover i {
    transform: scale(1.1);
}

#sidebarToggle.flipped svg {
    transform: scaleX(-1);
}

.btn-action.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-action.btn-primary:hover {
    background: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.btn-action.btn-danger {
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-action.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

.btn-action.active {
    background: var(--primary-dim);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-action.active:hover {
    background: var(--primary-accent);
    border-color: var(--primary-light);
}

.content-area {
    display: flex;
    flex: 1;
    overflow: hidden;
    padding: 0;
    margin: 0;
    background: var(--bg-secondary);
}

.messages-panel {
    width: 380px;
    background: var(--card-bg);
    border-right: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.panel-header {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 2px solid var(--border);
    gap: 12px;
    background: var(--bg-secondary);
}

.panel-header h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.msg-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
    background: var(--primary-dim);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 700;
}

.messages-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px 4px 12px;
}

.messages-footer {
    padding: 16px 24px;
    border-top: 2px solid var(--border);
    background: var(--bg-secondary);
}

.support-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.support-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--primary);
    transform: translateY(-1px);
}

.support-btn i {
    width: 16px;
    height: 16px;
    color: var(--danger);
}

.empty-inbox {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 0.9rem;
    gap: 16px;
    padding: 40px;
}

.empty-icon {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    opacity: 0.5;
}

.message-item {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 12px;
    margin-bottom: 4px;
    background: var(--bg-secondary);
    border: 2px solid transparent;
}

.message-item:hover {
    background: var(--hover-bg);
    border-color: var(--border);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.message-item.active {
    background: var(--primary-dim);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-dim);
}

.message-sender {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.sender-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-dim);
    border: 2px solid var(--primary);
    object-fit: cover;
}

.sender-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.message-subject {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.message-preview {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.email-viewer {
    flex: 1;
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    padding: 0;
    margin: 0;
}

.no-inbox-state {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    background: var(--bg-primary);
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}

.no-inbox-state.closing {
    animation: fadeOutDown 0.3s ease-out forwards;
}

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

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

.no-inbox-content {
    text-align: center;
    z-index: 20;
    position: relative;
    padding: 48px;
    border-radius: 20px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border);
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.4s ease-out 0.1s both;
    max-width: 500px;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.no-inbox-icon {
    width: 72px;
    height: 72px;
    color: var(--primary);
    margin-bottom: 24px;
    opacity: 0.9;
}

.no-inbox-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.no-inbox-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.no-inbox-action {
    padding: 14px 32px;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-md);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.no-inbox-action:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

#silk-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.3;
}

.viewer-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    gap: 16px;
}

.viewer-header {
    padding: 24px 32px;
    border-bottom: 2px solid var(--border);
    background: var(--bg-secondary);
}

.viewer-subject {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.viewer-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.viewer-actions {
    display: flex;
    gap: 10px;
    padding: 16px 32px;
    border-bottom: 2px solid var(--border);
    background: var(--bg-secondary);
}

.viewer-btn {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.viewer-btn i {
    width: 16px;
    height: 16px;
}

.viewer-btn:hover {
    background: var(--hover-bg);
    border-color: var(--primary);
    color: var(--primary);
}

.viewer-btn.delete {
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.3);
}

.viewer-btn.delete:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

.viewer-body {
    flex: 1;
    padding: 0;
    overflow-y: auto;
    background: transparent;
    margin: 0;
    border-radius: 0;
    color: var(--text-primary);
    border: none;
    box-shadow: none;
    min-height: 200px;
}

.viewer-body-content {
    font-size: 0.95rem;
    line-height: 1.8;
    word-wrap: break-word;
    padding: 24px 32px 16px 32px;
}

.viewer-body-content a {
    color: var(--primary);
    text-decoration: underline;
}

.viewer-body-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.viewer-body-content table {
    border-collapse: collapse;
    width: 100%;
}

.viewer-body-content td,
.viewer-body-content th {
    padding: 12px;
    border: 1px solid var(--border);
}

.viewer-body-content th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.email-iframe-wrapper {
    position: relative;
    flex: 1;
    display: flex;
    margin: 0;
    border-radius: 0;
    overflow: hidden;
    border: none;
}

.email-iframe {
    width: 100%;
    flex: 1;
    border: none;
    background: var(--card-bg);
}

#viewerContent {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: auto;
    padding: 0;
}

.domain-selector-wrapper {
    position: relative;
    width: 100%;
    margin-bottom: 12px;
}

.input-group .domain-selector-wrapper {
    margin-bottom: 0;
}

.domain-selector {
    width: 100%;
    padding: 14px 40px 14px 16px;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: none;
}

.domain-selector-wrapper:hover .domain-selector {
    border-color: var(--primary);
    background: var(--hover-bg);
    box-shadow: 0 0 0 2px var(--primary-dim), 0 4px 12px rgba(236, 72, 153, 0.15);
    transform: translateY(-1px);
}

.domain-selector:focus {
    border-color: var(--primary);
    background: var(--hover-bg);
    box-shadow: 0 0 0 3px var(--primary-dim), 0 4px 12px rgba(236, 72, 153, 0.2);
}

.domain-selector:active {
    transform: translateY(0);
}

.domain-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s ease;
}

.domain-selector-wrapper:hover .domain-arrow {
    color: var(--primary);
}

.domain-selector:focus + .domain-arrow {
    color: var(--primary);
}

.domain-selector-wrapper:has(.domain-selector:focus) .domain-arrow {
    transform: translateY(-50%) rotate(180deg);
}

.domain-selector option {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 12px;
    border: none;
}

.sidebar-btn-add-domain {
    width: 100%;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    margin-top: 8px;
}

.sidebar-btn-add-domain:hover {
    background: var(--hover-bg);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateX(2px);
}

.sidebar-btn-add-domain i {
    width: 16px;
    height: 16px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    animation: modalFadeIn 0.3s ease-out forwards;
}

.modal.closing {
    animation: modalFadeOut 0.3s ease-out forwards;
}

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

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

.modal-content {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border);
    border-radius: 16px;
    width: 420px;
    max-width: 90%;
    animation: modalSlideIn 0.4s ease-out 0.1s both;
    box-shadow: var(--shadow-lg);
}

.modal.closing .modal-content {
    animation: modalSlideOut 0.3s ease-out forwards;
}

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

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

.settings-panel {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 16px;
    width: 420px;
    max-width: 90%;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 2px solid var(--border);
    background: var(--bg-secondary);
}

.settings-header span {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.settings-close {
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    padding: 8px;
    display: flex;
    transition: all 0.2s ease;
}

.settings-close:hover {
    background: var(--hover-bg);
    border-color: var(--primary);
}

.settings-close i {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.settings-body {
    padding: 24px;
}

.settings-section {
    margin-bottom: 20px;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.theme-pills {
    display: flex;
    gap: 12px;
}

.theme-pill {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid transparent;
    background: var(--pill-color);
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
    box-shadow: var(--shadow-sm);
}

.theme-pill:hover {
    transform: scale(1.1);
}

.theme-pill.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-dim);
    position: relative;
}

.theme-pill.active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 4px;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    position: relative;
}

.settings-row span {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.settings-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 8px;
    line-height: 1.5;
}

.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border);
    border-radius: 24px;
    transition: background 0.3s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: var(--shadow-sm);
}

.toggle input:checked + .toggle-slider {
    background: var(--primary);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.settings-row {
    position: relative;
}

.settings-row .toggle input:checked + .toggle-slider::after {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 22px;
    background: var(--primary);
    border-radius: 3px;
    box-shadow: 0 0 0 2px var(--primary-dim);
}

.settings-action-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 10px;
    font-weight: 500;
}

.settings-action-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--primary);
    transform: translateX(4px);
}

.settings-action-btn.active {
    background: var(--primary-dim);
    color: var(--primary);
    border-color: var(--primary);
}

.settings-action-btn i {
    width: 18px;
    height: 18px;
}

.email-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: var(--bg-secondary);
    padding: 6px;
    border-radius: 12px;
}

.email-tab {
    flex: 1;
    padding: 12px 16px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.email-tab.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.email-tab-content {
    display: none;
}

.email-tab-content.active {
    display: block;
    animation: tabFadeIn 0.3s ease-out forwards;
}

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

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

.input-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.input-hint {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 6px;
    font-style: italic;
}

.input-group input[type="number"],
.input-group input[type="text"],
.input-group input[type="email"],
.input-group input[type="password"],
.input-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s ease;
    font-weight: 500;
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-dim);
}

.char-pills {
    display: flex;
    gap: 10px;
}

.char-pill {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.char-pill input {
    display: none;
}

.char-pill span {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: all 0.2s ease;
    font-weight: 500;
}

.char-pill input:checked + span {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.create-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-md);
}

.create-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.context-menu {
    position: fixed;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 200px;
    z-index: 99999;
    display: none;
    box-shadow: var(--shadow-lg);
}

.context-menu.active {
    display: block;
    animation: contextIn 0.2s ease-out;
}

@keyframes contextIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.2s;
    font-weight: 500;
}

.context-item:hover {
    background: var(--hover-bg);
}

.context-item i {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.context-divider {
    height: 1px;
    background: var(--border);
    margin: 6px 0;
}

.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    font-size: 0.9rem;
    animation: toastIn 0.3s ease-out;
    min-width: 300px;
    max-width: 400px;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.info {
    border-left: 4px solid var(--primary);
}

.toast i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.info i { color: var(--primary); }

.toast-message {
    flex: 1;
    font-weight: 500;
}

.toast.hiding {
    animation: toastOut 0.3s ease-out forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

.email-iframe-wrapper {
    flex: 1 !important;
    display: flex !important;
}

.email-iframe {
    width: 100% !important;
    height: 100% !important;
    flex: 1 !important;
    background: var(--card-bg) !important;
}

.mobile-fab {
    display: none;
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary);
    border: none;
    color: #fff;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: all 0.2s ease;
}

.mobile-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
}

.mobile-fab:active {
    transform: scale(0.95);
}

.mobile-fab i {
    width: 28px;
    height: 28px;
}

.mobile-back-btn {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 16px;
    font-weight: 500;
}

.mobile-back-btn:hover {
    background: var(--hover-bg);
    border-color: var(--primary);
    color: var(--primary);
}

.mobile-back-btn i {
    width: 18px;
    height: 18px;
}

@media (max-width: 900px) {
    .sidebar {
        width: 64px;
    }

    .sidebar-header,
    .section-title,
    .logo-text,
    .saved-emails-list {
        display: none;
    }

    .sidebar-btn span {
        display: none;
    }

    .btn-inbox span:not(.badge) {
        display: none;
    }

    .messages-panel {
        width: 280px;
    }
}

@media (max-width: 600px) {
    .messages-panel {
        display: none;
    }

    .messages-panel.mobile-hidden {
        display: none;
    }

    .email-viewer {
        display: none;
    }

    .email-viewer.mobile-active {
        display: flex;
        width: 100%;
    }

    .mobile-back-btn {
        display: flex;
    }
}

@media (max-width: 480px) {
    .sidebar {
        display: none;
    }

    #sidebarToggle {
        display: none;
    }

    .viewer-empty {
        display: none !important;
    }

    .top-bar {
        padding: 12px 16px;
        gap: 12px;
    }

    .top-left {
        flex: 1;
    }

    .top-actions {
        gap: 8px;
    }

    .email-display {
        max-width: 100%;
    }

    .email-display input {
        font-size: 0.8rem;
        padding: 10px 12px;
    }

    .btn-action {
        padding: 8px;
        min-width: 40px;
        height: 40px;
    }

    .btn-action i {
        width: 18px;
        height: 18px;
    }

    .no-inbox-content {
        padding: 32px 24px;
        margin: 16px;
    }

    .mobile-fab {
        display: flex;
    }

    .settings-panel {
        width: 95%;
        max-width: 380px;
    }

    .context-menu {
        min-width: 180px;
    }
}

.crypto-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.crypto-item {
    padding: 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.crypto-item:hover {
    background: var(--hover-bg);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.crypto-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.crypto-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.copy-btn {
    padding: 6px 12px;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
}

.copy-btn:hover {
    background: var(--primary-light);
    transform: scale(1.05);
}

.crypto-address {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    word-break: break-all;
    line-height: 1.4;
}

.support-intro {
    text-align: center;
    margin-bottom: 24px;
}

.support-intro p {
    color: var(--text-muted);
    font-size: 0.9rem;
}