:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --text-secondary: #536471;
    --border-color: #e0e0e0;
    --accent-color: #1da1f2;
    --accent-hover: #0d95e8;
    --hover-color: #f7f9fa;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --card-bg: #ffffff;
    --success-color: #00ba7c;
    --error-color: #f91880;
    --warning-color: #ffad1f;
    --tab-inactive: #f0f0f0;
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    min-height: 100vh;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 16px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0 24px;
    margin-bottom: 8px;
    position: relative;
}

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

.logo img {
    width: 32px;
    height: 32px;
    transition: var(--transition);
}

.logo:hover img {
    transform: scale(1.05);
}

h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
    margin-left: 5px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    border-radius: 24px;
    transition: var(--transition);
    cursor: pointer;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.user-info:hover {
    background: linear-gradient(135deg, #e9ecef, #dee2e6);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.user-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #794bc4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 2px 4px var(--shadow-color);
    background-size: cover;
    background-position: center;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 700;
    font-size: 15px;
    color: var(--text-color);
}

.user-handle {
    font-size: 13px;
    color: var(--accent-color);
    font-weight: 600;
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: var(--tab-inactive);
    padding: 4px;
    border-radius: 12px;
}

.tab {
    flex: 1;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    color: var(--text-secondary);
}

.tab.active {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.tab:hover:not(.active) {
    background: rgba(29, 161, 242, 0.1);
    color: var(--accent-color);
}

#tweetsTab .add-username {
    display: none;
}

.add-username {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.add-username input {
    flex: 1;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: var(--transition);
    background: var(--card-bg);
}

.add-username input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(29, 161, 242, 0.2);
}

.add-username button {
    padding: 14px 24px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.add-username button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.username-list,
.tweet-list,
.settings-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.profile-card,
.tweet-item,
.setting-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: var(--transition);
}

.profile-card:hover,
.tweet-item:hover,
.setting-item:hover {
    box-shadow: 0 4px 12px var(--shadow-color);
    transform: translateY(-2px);
}

.profile-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #794bc4);
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.profile-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #794bc4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 20px;
    box-shadow: 0 4px 8px var(--shadow-color);
}

.profile-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.profile-name {
    font-weight: 800;
    font-size: 18px;
    color: var(--text-color);
}

.profile-handle {
    font-size: 15px;
    color: var(--accent-color);
    font-weight: 600;
}

.profile-stats {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-value {
    font-weight: 700;
    font-size: 16px;
}

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

.delete-btn {
    padding: 10px 16px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(255, 107, 107, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
}

.delete-btn:hover {
    background: linear-gradient(135deg, #ff5252, #e53935);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.4);
}

.tweet-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tweet-header {
    display: flex;
    gap: 8px;
    align-items: center;
}

.tweet-header .username {
    font-weight: 700;
    font-size: 15px;
}

.tweet-header .handle {
    font-size: 13px;
    color: var(--text-secondary);
}

.tweet-header .date {
    font-size: 13px;
    color: var(--text-secondary);
    margin-left: auto;
}

.tweet-content {
    font-size: 15px;
    line-height: 1.4;
}

.tweet-meta {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 13px;
}

.tweet-meta i {
    margin-right: 4px;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.setting-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.setting-title {
    font-size: 18px;
    font-weight: 700;
}

.setting-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

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

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

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    transition: var(--transition);
    border-radius: 50%;
}

.toggle-switch input:checked + .slider {
    background: var(--accent-color);
}

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

.input-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.input-label {
    width: 120px;
    font-size: 14px;
    font-weight: 600;
}

.input-row input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: var(--hover-color);
    transition: var(--transition);
}

.input-row input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(29, 161, 242, 0.2);
}

.input-row span {
    font-size: 14px;
    color: var(--text-secondary);
}

.add-stop-btn {
    padding: 12px 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 6px var(--shadow-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.add-stop-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.stop-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--hover-color);
}

.stop-type {
    font-size: 12px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 6px;
    color: white;
}

.stop-type.tp {
    background: var(--success-color);
}

.stop-type.sl {
    background: var(--error-color);
}

.stop-inputs {
    flex: 1;
    display: flex;
    gap: 16px;
}

.stop-input-group,
.stop-amount-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stop-input-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.stop-input,
.stop-amount {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: white;
    transition: var(--transition);
}

.stop-input:focus,
.stop-amount:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(29, 161, 242, 0.2);
}

.stop-amount-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stop-percent {
    font-size: 14px;
    color: var(--text-secondary);
}

.stop-delete-btn {
    padding: 8px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(255, 107, 107, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stop-delete-btn:hover {
    background: linear-gradient(135deg, #ff5252, #e53935);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.4);
}

.private-key-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: monospace;
    background: var(--hover-color);
    transition: var(--transition);
}

.private-key-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(29, 161, 242, 0.2);
}

.save-settings-btn {
    padding: 14px 24px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(0, 186, 124, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    align-self: flex-end;
}

.save-settings-btn:hover {
    background: #00a86b;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 186, 124, 0.4);
}

.stop-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;
    backdrop-filter: blur(4px);
}

.stop-modal-content {
    background: white;
    border-radius: 16px;
    padding: 24px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stop-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.stop-modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
}

.stop-modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.stop-type-selector {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.stop-type-option {
    flex: 1;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.stop-type-option:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.stop-type-option.selected {
    border-color: transparent;
    color: white;
}

.stop-type-option.tp-option.selected {
    background: linear-gradient(135deg, #00ba7c, #00a86b);
}

.stop-type-option.sl-option.selected {
    background: linear-gradient(135deg, #f91880, #e01673);
}

.stop-modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.stop-modal-btn {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.stop-modal-btn.primary {
    background: var(--accent-color);
    color: white;
}

.stop-modal-btn.primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.stop-modal-btn.secondary {
    background: var(--hover-color);
    color: var(--text-color);
}

.stop-modal-btn.secondary:hover {
    background: #e0e0e0;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-secondary);
    padding: 40px 20px;
}

.loading-spinner {
    border: 3px solid rgba(29, 161, 242, 0.2);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.error {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--error-color);
    background: rgba(249, 24, 128, 0.05);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 3px solid var(--error-color);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--accent-color);
    opacity: 0.7;
}

.empty-state p {
    margin-bottom: 8px;
}

.empty-state p:last-child {
    font-size: 14px;
}

.tab-content {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .user-info {
        align-self: stretch;
        justify-content: flex-start;
    }

    .tabs {
        flex-direction: column;
    }

    .profile-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .delete-btn {
        align-self: stretch;
    }

    .stop-item {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }

    .stop-inputs {
        flex-direction: column;
        gap: 12px;
    }

    .stop-input-group,
    .stop-amount-group {
        width: 100%;
    }

    .stop-amount-wrapper {
        width: 100%;
    }

    .stop-amount {
        flex: 1;
    }

    .stop-modal-content {
        width: 95%;
        padding: 20px;
    }

    .stop-type-selector {
        flex-direction: column;
    }

    .save-settings-btn {
        width: 100%;
    }
}