.imp-portal {
    --imp-bg: #0b1220;
    --imp-card: rgba(20, 29, 48, 0.75);
    --imp-card-border: rgba(120, 170, 255, 0.12);
    --imp-text: #e7ecf5;
    --imp-muted: #9aa7bf;
    --imp-accent: #3b82f6;
    --imp-accent-strong: #2563eb;
    --imp-green: #10b981;
    --imp-amber: #f59e0b;
    --imp-danger: #ef4444;
    --imp-radius: 14px;
    --imp-radius-sm: 10px;

    max-width: 780px;
    margin: 0 auto;
    padding: 28px 16px 48px;
    color: var(--imp-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
}

.imp-portal * { box-sizing: border-box; }

.imp-card {
    background: var(--imp-card);
    border: 1px solid var(--imp-card-border);
    border-radius: var(--imp-radius);
    padding: 24px 24px 22px;
    margin: 0 0 18px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.imp-card h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 8px;
    color: var(--imp-text);
}

.imp-muted { color: var(--imp-muted); margin: 0 0 16px; }
.imp-small { font-size: 13px; margin-top: 12px; }

.imp-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.imp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: var(--imp-radius-sm);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 120ms ease, border-color 120ms ease, transform 80ms ease;
}
.imp-btn:disabled,
.imp-btn[disabled] {
    opacity: 0.45;
    cursor: not-allowed;
}
.imp-btn:active:not(:disabled) { transform: translateY(1px); }

.imp-btn-primary {
    background: var(--imp-accent);
    color: #fff;
    border-color: var(--imp-accent);
}
.imp-btn-primary:hover:not(:disabled) { background: var(--imp-accent-strong); border-color: var(--imp-accent-strong); }

.imp-btn-ghost {
    background: transparent;
    color: var(--imp-text);
    border-color: rgba(255, 255, 255, 0.18);
}
.imp-btn-ghost:hover { border-color: rgba(255, 255, 255, 0.35); }

.imp-status-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.imp-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
}
.imp-badge-green { background: rgba(16, 185, 129, 0.12); color: var(--imp-green); border-color: rgba(16, 185, 129, 0.35); }
.imp-badge-amber { background: rgba(245, 158, 11, 0.12); color: var(--imp-amber); border-color: rgba(245, 158, 11, 0.35); }

.imp-summary { margin: 8px 0 6px; }
.imp-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.imp-row:last-child { border-bottom: 0; }
.imp-label { color: var(--imp-muted); font-size: 14px; }
.imp-value { color: var(--imp-text); font-weight: 600; font-size: 14px; }
.imp-price { color: var(--imp-green); }

.imp-form { display: flex; flex-direction: column; gap: 16px; }
.imp-field { display: flex; flex-direction: column; gap: 6px; }
.imp-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--imp-muted);
    letter-spacing: 0.02em;
}
.imp-field input[type="text"] {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: var(--imp-text);
    padding: 11px 13px;
    border-radius: var(--imp-radius-sm);
    font-size: 14px;
    outline: none;
    transition: border-color 120ms ease, background 120ms ease;
}
.imp-field input[type="text"]:focus {
    border-color: var(--imp-accent);
    background: rgba(59, 130, 246, 0.06);
}
.imp-field .imp-hint { font-size: 12px; color: var(--imp-muted); }
.imp-field .imp-error {
    font-size: 12px;
    color: var(--imp-danger);
    display: none;
}
.imp-field.has-error .imp-error { display: block; }
.imp-field.has-error input[type="text"] { border-color: var(--imp-danger); }

.imp-combobox { position: relative; }
.imp-combobox-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: var(--imp-text);
    padding: 11px 13px;
    border-radius: var(--imp-radius-sm);
    font-size: 14px;
    outline: none;
}
.imp-combobox-input:focus { border-color: var(--imp-accent); background: rgba(59, 130, 246, 0.06); }
.imp-combobox-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    max-height: 240px;
    overflow-y: auto;
    background: #101a2e;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--imp-radius-sm);
    padding: 4px 0;
    margin: 0;
    list-style: none;
    z-index: 40;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}
.imp-combobox-option {
    padding: 9px 14px;
    font-size: 14px;
    cursor: pointer;
    color: var(--imp-text);
}
.imp-combobox-option:hover,
.imp-combobox-option.is-active {
    background: rgba(59, 130, 246, 0.18);
}
.imp-combobox-option[hidden] { display: none; }
.imp-combobox-empty {
    padding: 9px 14px;
    font-size: 13px;
    color: var(--imp-muted);
    font-style: italic;
}

.imp-form-footer {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 4px;
    flex-wrap: wrap;
}
.imp-form-status { font-size: 13px; color: var(--imp-muted); }
.imp-form-status.is-error { color: var(--imp-danger); }
.imp-form-status.is-success { color: var(--imp-green); }

.imp-preview-banner {
    margin: 18px 0 0;
    padding: 10px 14px;
    border-radius: var(--imp-radius-sm);
    background: rgba(245, 158, 11, 0.10);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: var(--imp-amber);
    font-size: 13px;
}
.imp-preview-banner a { color: var(--imp-amber); text-decoration: underline; }

@media (max-width: 520px) {
    .imp-portal { padding: 18px 12px 36px; }
    .imp-card { padding: 20px 18px; }
    .imp-row { flex-direction: column; align-items: flex-start; gap: 2px; padding: 8px 0; }
    .imp-value { font-size: 15px; }
}

.imp-auth-hero {
    position: relative;
    width: 100vw;
    left: 50%;
    margin-left: -50vw;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 96px 16px;
    background: #050A10;
    color: #e7ecf5;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.imp-auth-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.imp-auth-glow {
    position: absolute;
    border-radius: 9999px;
    filter: blur(120px);
    opacity: 0.5;
}
.imp-auth-glow-a {
    top: 25%;
    left: 25%;
    width: 384px;
    height: 384px;
    background: rgba(59, 130, 246, 0.10);
}
.imp-auth-glow-b {
    bottom: 25%;
    right: 25%;
    width: 480px;
    height: 480px;
    background: rgba(59, 130, 246, 0.05);
    filter: blur(150px);
}
.imp-auth-stardust {
    position: absolute;
    inset: 0;
    background-image: url('https://www.transparenttextures.com/patterns/stardust.png');
    opacity: 0.03;
}

.imp-portal-auth {
    position: relative;
    z-index: 1;
    max-width: 448px;
    width: 100%;
    margin: 0 auto;
    padding: 0;
}

.imp-auth-hero-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 32px;
}

.imp-auth-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    margin-bottom: 24px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: #3b82f6;
    box-shadow: 0 0 30px rgba(0, 100, 255, 0.15);
}

.imp-auth-title {
    font-size: 30px;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    color: #ffffff;
}
.imp-auth-subtitle {
    margin: 0;
    color: rgba(255, 255, 255, 0.60);
    font-size: 15px;
}

.imp-auth-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 14px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.50);
    padding: 24px 24px 32px;
    text-align: left;
}

.imp-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 4px;
    background: rgba(0, 0, 0, 0.20);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    margin-bottom: 24px;
}
.imp-tab {
    appearance: none;
    background: transparent;
    border: 0;
    color: rgba(255, 255, 255, 0.60);
    font-size: 14px;
    font-weight: 500;
    padding: 9px 14px;
    border-radius: 7px;
    cursor: pointer;
    transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}
.imp-tab:hover { color: #fff; }
.imp-tab.is-active {
    background: #3b82f6;
    color: #ffffff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.imp-auth-form {
    display: none;
    flex-direction: column;
    gap: 18px;
}
.imp-auth-form.is-active { display: flex; }

.imp-auth-form .imp-field label,
.imp-auth-form .imp-field-label-row label {
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.60);
    letter-spacing: 0;
    text-transform: none;
}

.imp-field-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}
.imp-forgot-link {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.60);
    text-decoration: none;
    transition: color 160ms ease;
}
.imp-forgot-link:hover { color: #3b82f6; }

.imp-auth-form input[type="text"],
.imp-auth-form input[type="email"],
.imp-auth-form input[type="tel"],
.imp-auth-form input[type="password"] {
    width: 100%;
    height: 44px;
    background: rgba(0, 0, 0, 0.40);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: #ffffff;
    padding: 0 14px;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 140ms ease, box-shadow 140ms ease;
}
.imp-auth-form input::placeholder {
    color: rgba(255, 255, 255, 0.20);
}
.imp-auth-form input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.30);
}
.imp-auth-form .imp-field.has-error input { border-color: var(--imp-danger); }
.imp-auth-form .imp-hint {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.40);
    margin-top: 4px;
}

.imp-remember {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(0, 0, 0, 0.20);
    border-radius: 10px;
    cursor: pointer;
    margin-top: 4px;
}
.imp-remember input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    margin-top: 2px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.20);
    background: rgba(0, 0, 0, 0.40);
    border-radius: 3px;
    position: relative;
    cursor: pointer;
    transition: background 140ms ease, border-color 140ms ease;
}
.imp-remember input[type="checkbox"]:checked {
    background: #3b82f6;
    border-color: #3b82f6;
}
.imp-remember input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg);
}
.imp-remember-text { display: flex; flex-direction: column; gap: 4px; line-height: 1.2; }
.imp-remember-title {
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
}
.imp-remember-desc {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.40);
}

.imp-form-footer-block {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 8px;
}

.imp-btn-block {
    width: 100%;
    height: 48px;
    padding: 0 18px;
    font-size: 15px;
    font-weight: 600;
}
.imp-btn-glow {
    box-shadow: 0 0 20px rgba(0, 100, 255, 0.30);
    transition: box-shadow 220ms ease, background 140ms ease;
}
.imp-btn-glow:hover:not(:disabled) {
    box-shadow: 0 0 30px rgba(0, 100, 255, 0.50);
}
.imp-btn-arrow { margin-left: 8px; font-size: 17px; display: inline-block; }

.imp-auth-terms {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.60);
    margin: 32px 0 0;
    text-align: center;
    line-height: 1.55;
}

.imp-auth-redirect { text-align: center; }

@media (max-width: 520px) {
    .imp-auth-hero { padding: 56px 12px; min-height: 100vh; }
    .imp-auth-card { padding: 20px 18px 24px; }
    .imp-auth-glow-a { width: 280px; height: 280px; }
    .imp-auth-glow-b { width: 340px; height: 340px; }
}