:root {
    --pg-accent: var(--fe-color-primary, #e21b33);
    --pg-accent-alt: #3b82f6;
    --pg-panel-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    --pg-card-bg: var(--fe-color-surface, #fff);
    --pg-card-border: var(--fe-color-border, #e2e8f0);
    --pg-card-shadow: 0 8px 32px rgba(0,0,0,0.08);
    --pg-input-bg: var(--fe-color-bg, #fff);
    --pg-input-border: var(--fe-color-border, #e2e8f0);
    --pg-input-focus: var(--fe-color-primary, #e21b33);
    --pg-radius: 14px;
    --pg-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --pg-card-shadow: 0 8px 32px rgba(0,0,0,0.3);
    --pg-panel-bg: linear-gradient(135deg, #0b1120 0%, #1a1a2e 50%, #0b1120 100%);
}

.pg-page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: calc(100vh - 70px);
    margin-top: calc(-1 * var(--fe-spacing-lg, 1.5rem));
    width: 100vw;
    margin-left: 50%;
    transform: translateX(-50%);
}

.pg-panel {
    position: sticky;
    top: 0;
    height: 100vh;
    background: var(--pg-panel-bg);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 3rem;
    overflow: hidden;
}

.pg-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(226, 27, 51, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.pg-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.pg-panel--advertise::before {
    background:
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.14) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(226, 27, 51, 0.05) 0%, transparent 60%);
}

.pg-panel__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 380px;
    color: #e2e8f0;
}

.pg-panel__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--pg-accent);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.pg-panel__icon svg {
    width: 36px;
    height: 36px;
}

.pg-panel__title {
    font-size: 1.625rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem;
    color: #f1f5f9;
    line-height: 1.25;
}

.pg-panel__desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: #94a3b8;
    margin: 0 0 2rem;
}

.pg-panel__shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    pointer-events: none;
}

.pg-panel__shape--1 {
    width: 200px;
    height: 200px;
    background: var(--pg-accent);
    top: -60px;
    right: -40px;
    animation: pg-float 8s ease-in-out infinite;
}

.pg-panel__shape--2 {
    width: 120px;
    height: 120px;
    background: #3b82f6;
    bottom: 10%;
    left: -30px;
    animation: pg-float 6s ease-in-out infinite reverse;
}

.pg-panel__shape--3 {
    width: 80px;
    height: 80px;
    background: #8b5cf6;
    top: 40%;
    right: 15%;
    animation: pg-float 10s ease-in-out infinite 2s;
}

@keyframes pg-float {
    0%, 100% { transform: translateY(0) scale(1); }
    50%      { transform: translateY(-12px) scale(1.05); }
}

@media (prefers-reduced-motion: reduce) {
    .pg-panel__shape { animation: none; }
}

.pg-panel__info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
}

.pg-panel__info-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: background var(--pg-transition);
}

.pg-panel__info-item:hover {
    background: rgba(255,255,255,0.07);
}

.pg-panel__info-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(226, 27, 51, 0.15);
    color: var(--pg-accent);
}

.pg-panel__info-icon svg {
    width: 18px;
    height: 18px;
}

.pg-panel__info-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.pg-panel__info-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
    font-weight: 600;
}

.pg-panel__info-value {
    font-size: 0.85rem;
    color: #e2e8f0;
    font-weight: 500;
}

a.pg-panel__info-value {
    text-decoration: none;
    transition: color 0.2s;
}

a.pg-panel__info-value:hover {
    color: var(--pg-accent);
}

.pg-panel__features {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    text-align: left;
}

.pg-panel__feature {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: background var(--pg-transition), transform var(--pg-transition);
}

.pg-panel__feature:hover {
    background: rgba(255,255,255,0.07);
    transform: translateX(4px);
}

.pg-panel__feature-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--pg-accent-alt);
}

.pg-panel__feature-icon svg {
    width: 18px;
    height: 18px;
}

.pg-panel__feature-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.pg-panel__feature-text strong {
    font-size: 0.85rem;
    color: #f1f5f9;
    font-weight: 700;
}

.pg-panel__feature-text span {
    font-size: 0.78rem;
    color: #94a3b8;
    line-height: 1.4;
}

.pg-form-side {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem;
    background: var(--fe-color-bg, #f8fafc);
}

[data-theme="dark"] .pg-form-side {
    background: var(--fe-color-bg, #0f172a);
}

.pg-card {
    width: 100%;
    max-width: 520px;
    background: var(--pg-card-bg);
    border: 1px solid var(--pg-card-border);
    border-radius: var(--pg-radius);
    box-shadow: var(--pg-card-shadow);
    padding: 2.5rem;
    animation: pg-cardIn 0.4s ease both;
}

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

@media (prefers-reduced-motion: reduce) {
    .pg-card { animation: none; }
}

.pg-card__header {
    text-align: center;
    margin-bottom: 2rem;
}

.pg-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin: 0 auto 1rem;
    border-radius: 14px;
    background: color-mix(in srgb, var(--pg-accent) 8%, var(--pg-card-bg));
    color: var(--pg-accent);
}

.pg-card__icon--advertise {
    background: color-mix(in srgb, var(--pg-accent-alt) 8%, var(--pg-card-bg));
    color: var(--pg-accent-alt);
}

.pg-card__icon svg {
    width: 24px;
    height: 24px;
}

.pg-card__title {
    margin: 0 0 0.375rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--fe-color-text);
    letter-spacing: -0.02em;
}

.pg-card__subtitle {
    margin: 0;
    font-size: 0.875rem;
    color: var(--fe-color-text-muted, #64748b);
    line-height: 1.5;
}

.pg-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.8125rem;
    line-height: 1.4;
}

.pg-alert svg {
    flex-shrink: 0;
    margin-top: 1px;
}

.pg-alert--error {
    background: color-mix(in srgb, #ef4444 8%, var(--pg-card-bg));
    border: 1px solid color-mix(in srgb, #ef4444 20%, var(--pg-card-border));
    color: #dc2626;
}

[data-theme="dark"] .pg-alert--error { color: #fca5a5; }

.pg-alert--success {
    background: color-mix(in srgb, #22c55e 8%, var(--pg-card-bg));
    border: 1px solid color-mix(in srgb, #22c55e 20%, var(--pg-card-border));
    color: #16a34a;
}

[data-theme="dark"] .pg-alert--success { color: #86efac; }

.pg-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pg-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.pg-field-row {
    display: flex;
    gap: 0.875rem;
}

.pg-field-row--2col > .pg-field {
    flex: 1;
    min-width: 0;
}

.pg-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--fe-color-text);
}

.pg-required {
    color: var(--pg-accent);
    font-weight: 700;
}

.pg-input {
    width: 100%;
    padding: 0.7rem 0.875rem;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--fe-color-text);
    background: var(--pg-input-bg);
    border: 1.5px solid var(--pg-input-border);
    border-radius: 10px;
    outline: none;
    transition: border-color var(--pg-transition), box-shadow var(--pg-transition);
}

.pg-input::placeholder {
    color: var(--fe-color-text-muted, #94a3b8);
}

.pg-input:focus {
    border-color: var(--pg-input-focus);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--pg-input-focus) 12%, transparent);
}

.pg-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.pg-textarea {
    resize: vertical;
    min-height: 110px;
    line-height: 1.6;
}

.pg-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.8rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: inherit;
    color: #fff;
    background: var(--pg-accent);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background var(--pg-transition), box-shadow var(--pg-transition), transform var(--pg-transition);
    margin-top: 0.25rem;
}

.pg-submit:hover {
    background: color-mix(in srgb, var(--pg-accent) 85%, #000);
    box-shadow: 0 4px 16px color-mix(in srgb, var(--pg-accent) 30%, transparent);
    transform: translateY(-1px);
}

.pg-submit:active {
    transform: translateY(0);
}

.pg-submit--advertise {
    background: var(--pg-accent-alt);
}

.pg-submit--advertise:hover {
    background: color-mix(in srgb, var(--pg-accent-alt) 85%, #000);
    box-shadow: 0 4px 16px color-mix(in srgb, var(--pg-accent-alt) 30%, transparent);
}

.pg-footer {
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--pg-card-border);
    text-align: center;
    font-size: 0.8125rem;
    color: var(--fe-color-text-muted, #64748b);
}

.pg-footer a {
    color: var(--pg-accent);
    font-weight: 600;
    text-decoration: none;
    transition: opacity 0.2s;
}

.pg-footer a:hover {
    opacity: 0.8;
}

@media (max-width: 1000px) {
    .pg-page {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .pg-panel {
        display: none;
    }

    .pg-form-side {
        padding: 2rem 1.25rem;
        min-height: calc(100vh - 120px);
    }

    .pg-card {
        padding: 2rem 1.5rem;
        max-width: 560px;
    }
}

@media (max-width: 600px) {
    .pg-field-row--2col {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .pg-form-side {
        padding: 1.5rem 1rem;
    }

    .pg-card {
        padding: 1.75rem 1.25rem;
        border-radius: 12px;
    }

    .pg-card__title {
        font-size: 1.25rem;
    }
}

.pg-submit-btn__idle,
.pg-submit-btn__loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

@keyframes pg-spin {
    to { transform: rotate(360deg); }
}
.pg-spinner {
    animation: pg-spin 0.8s linear infinite;
    transform-origin: center;
}

.pg-submit-btn[disabled] {
    opacity: 0.75;
    cursor: not-allowed;
}

.pg-checkbox-group--wrap {
    flex-wrap: wrap;
    gap: 10px 20px;
}

.pg-field-error {
    margin-top: 5px;
    font-size: 0.8rem;
    color: #f87171;
    font-weight: 500;
}

.pg-input--error {
    border-color: #f87171 !important;
}

.pg-panel--bulletin::before {
    background:
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.14) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(226, 27, 51, 0.05) 0%, transparent 60%);
}

.pg-panel--submission::before {
    background:
        radial-gradient(circle at 20% 30%, rgba(34, 197, 94, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(226, 27, 51, 0.05) 0%, transparent 60%);
}

.pg-card__icon--submission {
    background: color-mix(in srgb, var(--pg-accent) 10%, var(--pg-card-bg));
    color: var(--pg-accent);
}

.pg-submit--submission {
    background: var(--pg-accent);
}
.pg-submit--submission:hover {
    background: color-mix(in srgb, var(--pg-accent) 85%, #000);
    box-shadow: 0 4px 16px color-mix(in srgb, var(--pg-accent) 30%, transparent);
}

.pg-field-hint {
    margin: 0.3rem 0 0;
    font-size: 0.8rem;
    color: var(--fe-color-text-muted);
    line-height: 1.4;
}

.pg-checkbox-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    padding-top: 0.25rem;
}
.pg-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9375rem;
    cursor: pointer;
}
.pg-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.pg-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: color-mix(in srgb, var(--fe-color-primary) 8%, var(--pg-card-bg, #fff));
    border: 1px solid color-mix(in srgb, var(--fe-color-primary) 25%, transparent);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--fe-color-text);
    margin-bottom: 0.25rem;
}
.pg-notice svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--fe-color-primary);
}
.pg-notice a {
    color: var(--fe-color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.pg-notice--warning {
    background: color-mix(in srgb, #f59e0b 8%, var(--pg-card-bg, #fff));
    border-color: color-mix(in srgb, #f59e0b 30%, transparent);
}
.pg-notice--warning svg {
    color: #d97706;
}

.pg-source-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.pg-source-row .pg-field-row--2col {
    flex: 1;
    margin-bottom: 0;
}
.pg-source-remove {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: none;
    border: 1px solid color-mix(in srgb, var(--fe-color-danger, #ef4444) 40%, transparent);
    border-radius: 6px;
    color: var(--fe-color-danger, #ef4444);
    cursor: pointer;
    transition: background 0.15s;
}
.pg-source-remove:hover {
    background: color-mix(in srgb, var(--fe-color-danger, #ef4444) 10%, transparent);
}
.pg-source-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: none;
    border: 1px dashed color-mix(in srgb, var(--fe-color-primary) 50%, transparent);
    border-radius: 6px;
    color: var(--fe-color-primary);
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    transition: background 0.15s;
    margin-top: 0.25rem;
}
.pg-source-add-btn:hover {
    background: color-mix(in srgb, var(--fe-color-primary) 8%, transparent);
}