:root {
    --tiktok-red: #FE2C55;
    --tiktok-red-hover: #FF4D6D;
    --tiktok-red-dark: #D91F47;
    --dark-bg: #0F0F0F;
    --dark-card: #1A1A1A;
    --dark-card-hover: #242424;
    --dark-border: #2A2A2A;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-muted: #6B6B6B;
    --success: #00F2EA;
    --warning: #FFB800;
    --danger: var(--tiktok-red);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--dark-bg);
    background-image:
        radial-gradient(circle at 20% 50%, rgba(254, 44, 85, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 242, 234, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-primary);
    padding: 20px;
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--tiktok-red) rgba(255, 255, 255, 0.05);
}

*::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0;
}

*::-webkit-scrollbar-thumb {
    background: var(--tiktok-red);
    border-radius: 0;
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--tiktok-red-hover);
}

*::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.glass-card {
    background: rgba(26, 26, 26, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.login-container {
    max-width: 420px;
    margin: 10vh auto;
    padding: 40px;
}

.login-container h1 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 32px;
    font-weight: 700;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}

.login-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
    border-radius: 12px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    font-size: 14px;
}

.tab-btn.active {
    background: var(--tiktok-red);
    color: white;
    box-shadow: 0 4px 12px rgba(254, 44, 85, 0.3);
}

.tab-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.08);
}

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

.hidden {
    display: none !important;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--dark-border);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s;
}

.form-group select option,
.form-group select optgroup {
    background: var(--dark-card);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--tiktok-red);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(254, 44, 85, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-group input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.form-group input[type="checkbox"]:hover {
    box-shadow: none;
}

.form-group input[type="checkbox"]::before {
    content: none;
}

.form-group input[type="checkbox"]:checked {
    box-shadow: none;
}

.form-group input[type="checkbox"]:checked::before {
    transform: none;
}

.form-group input[type="checkbox"]:focus-visible {
    outline: none;
}

.form-group input[type="checkbox"]:active {
    transform: none;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 12px;
    border: 1px solid var(--dark-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.1px;
    cursor: pointer;
    user-select: none;
    width: max-content;
    max-width: 100%;
    transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.12s ease;
}

.checkbox-label:hover {
    border-color: rgba(254, 44, 85, 0.45);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.checkbox-label:focus-within {
    border-color: rgba(254, 44, 85, 0.7);
    box-shadow: 0 0 0 2px rgba(254, 44, 85, 0.2);
}

.checkbox-label:has(input[type="checkbox"]:checked) {
    border-color: var(--tiktok-red);
    background: rgba(254, 44, 85, 0.12);
    color: var(--text-primary);
    box-shadow: none;
}

.checkbox-label::after {
    content: '❌';
    opacity: 0.75;
    margin-left: 4px;
    font-size: 12px;
    line-height: 1;
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.checkbox-label:has(input[type="checkbox"]:checked)::after {
    content: '✔';
    opacity: 1;
}

.text-muted {
    color: var(--text-muted);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid transparent;
}

.status-pending {
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.status-ok {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.3);
}

.status-error {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--tiktok-red);
    color: white;
    box-shadow: 0 4px 12px rgba(254, 44, 85, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: var(--tiktok-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(254, 44, 85, 0.4);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--tiktok-red-dark);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-full {
    width: 100%;
}

.home-container,
.admin-container {
    padding: 32px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--dark-border);
}

.header h1 {
    color: var(--text-primary);
    font-size: 28px;
    font-weight: 700;
}

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

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.account-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.account-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--tiktok-red);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(254, 44, 85, 0.2);
}

.account-card h3 {
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 600;
}

.account-info {
    margin-bottom: 20px;
}

.info-row {
    display: flex;
    margin-bottom: 10px;
    font-size: 14px;
}

.info-row .label {
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 90px;
}

.info-row .value {
    color: var(--text-primary);
    word-break: break-word;
}

.account-actions {
    display: flex;
    gap: 10px;
}

.account-actions .btn {
    flex: 1;
}

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

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.alert {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    background: rgba(26, 26, 26, 0.88);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
    animation: slideDown 0.25s ease-out;
}

.alert-error {
    border-color: rgba(254, 44, 85, 0.4);
    color: #ff6b86;
    box-shadow: 0 10px 24px rgba(254, 44, 85, 0.18);
}

.alert-success {
    border-color: rgba(0, 242, 234, 0.4);
    color: #2ff6ee;
    box-shadow: 0 10px 24px rgba(0, 242, 234, 0.2);
}

.alert-warning {
    border-color: rgba(255, 184, 0, 0.45);
    color: #ffd35c;
    box-shadow: 0 10px 24px rgba(255, 184, 0, 0.2);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease-out;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-x: hidden;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 32px;
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0;
}

.modal-content.large {
    max-width: 700px;
}

.modal-content h2 {
    margin-bottom: 24px;
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
}

.close {
    position: absolute;
    right: 24px;
    top: 24px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.close:hover {
    color: var(--tiktok-red);
    background: rgba(254, 44, 85, 0.1);
}

.code-display {
    text-align: center;
    padding: 24px;
}

.code-value {
    font-size: 56px;
    font-weight: bold;
    color: var(--tiktok-red);
    letter-spacing: 8px;
    margin-bottom: 24px;
    font-family: 'Courier New', monospace;
    text-shadow: 0 0 20px rgba(254, 44, 85, 0.3);
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.code-label {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

#countdown-container,
#refresh-container {
    margin-top: 24px;
}

#countdown-container p {
    color: var(--text-secondary);
    font-size: 14px;
}

#countdown {
    color: var(--tiktok-red);
    font-weight: 600;
}

.contact-info {
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-primary);
    line-height: 1.8;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    font-size: 14px;
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
    border-radius: 12px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.panel-header h2 {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
}

.accounts-table {
    overflow-x: auto;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
}

.accounts-table::-webkit-scrollbar {
    height: 8px;
}

.accounts-table::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.accounts-table::-webkit-scrollbar-thumb {
    background: var(--tiktok-red);
    border-radius: 4px;
}

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

.accounts-table th,
.accounts-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--dark-border);
}

.accounts-table th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.accounts-table td {
    color: var(--text-secondary);
    font-size: 14px;
}

.accounts-table tbody tr {
    transition: all 0.2s;
}

.accounts-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.provider-config {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    border: 1px solid var(--dark-border);
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--tiktok-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

#toast-container {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    width: min(480px, calc(100% - 32px));
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#toast-container .alert {
    width: 100%;
    margin-bottom: 12px;
    text-align: center;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-left: 4px solid transparent;
}

#toast-container .alert-error {
    border-left-color: var(--tiktok-red);
}

#toast-container .alert-success {
    border-left-color: var(--success);
}

#toast-container .alert-warning {
    border-left-color: var(--warning);
}

.confirm-dialog {
    max-width: 420px !important;
}

.confirm-dialog h2 {
    font-size: 20px;
    margin-bottom: 16px;
}

.confirm-dialog-message {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.confirm-dialog-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.confirm-dialog-actions .btn {
    min-width: 100px;
}

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

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

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

@keyframes slideUp {
    from {
        transform: translateY(40px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    body {
        padding: 12px;
    }

    .login-container {
        margin: 5vh auto;
        padding: 32px 24px;
    }

    .login-container h1 {
        font-size: 28px;
    }

    .accounts-grid {
        grid-template-columns: 1fr;
    }

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

    .header-actions {
        width: 100%;
    }

    .header-actions .btn {
        flex: 1;
    }

    .tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }

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

    .modal-content {
        margin: 20px auto;
        padding: 24px;
        width: 95%;
        max-height: calc(100vh - 40px);
    }

    .code-value {
        font-size: 40px;
        letter-spacing: 4px;
    }

    .accounts-table {
        font-size: 13px;
    }

    .accounts-table th,
    .accounts-table td {
        padding: 12px 8px;
    }

    .home-container,
    .admin-container {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .code-value {
        letter-spacing: 2px;
    }
}

@media (max-width: 480px) {
    .info-row {
        flex-direction: column;
        gap: 4px;
    }

    .info-row .label {
        min-width: auto;
    }
}