:root {
    --gp-primary: #e8782a;
    --gp-primary-hover: #d16419;
    --gp-text-main: #1f2937;
    --gp-text-muted: #6b7280;
    --gp-border: #e5e7eb;
    --gp-border-focus: #e8782a;
    --gp-bg-glass: rgba(255, 255, 255, 0.85);
}

.gp-demo-card {
    max-width: 480px;
    margin: 20px auto;
    padding: 32px 28px;
    background: var(--gp-bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--gp-text-main);
    box-sizing: border-box;
}

.gp-demo-card * {
    box-sizing: border-box;
}

.gp-demo-header h1 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: var(--gp-text-main);
    line-height: 1.3;
}

.gp-demo-header p {
    font-size: 14px;
    color: var(--gp-text-muted);
    line-height: 1.5;
    margin: 0 0 24px 0;
}

.gp-field {
    margin-bottom: 18px;
}

.gp-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--gp-text-main);
}

.gp-field label span {
    color: #e53e3e;
}

.gp-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.gp-icon {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: #9ca3af;
    pointer-events: none;
    transition: color 0.2s ease;
}

.gp-input-wrap input,
.gp-input-wrap select {
    width: 100%;
    padding: 12px 14px 12px 42px;
    font-size: 14px;
    border: 1px solid var(--gp-border);
    border-radius: 8px;
    background-color: #ffffff;
    color: var(--gp-text-main);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
}

.gp-input-wrap select {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%206b7280" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>');
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
}

.gp-input-wrap input:focus,
.gp-input-wrap select:focus {
    border-color: var(--gp-border-focus);
    box-shadow: 0 0 0 3px rgba(232, 120, 42, 0.15);
}

.gp-input-wrap input:focus+.gp-icon,
.gp-input-wrap select:focus+.gp-icon {
    color: var(--gp-primary);
}

.gp-btn-submit {
    width: 100%;
    padding: 14px;
    background-color: var(--gp-primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 22px;
}

.gp-btn-submit:hover {
    background-color: var(--gp-primary-hover);
}

.gp-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: gp-spin 0.8s linear infinite;
}

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

.gp-demo-form.is-loading .gp-spinner {
    display: inline-block;
}

.gp-demo-form.is-loading .gp-btn-text {
    display: none;
}

.gp-form-message {
    display: none;
    font-size: 13px;
    padding: 10px 12px;
    border-radius: 6px;
    margin-top: 12px;
}

.gp-form-message.success {
    display: block;
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.gp-form-message.error {
    display: block;
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.gp-trust {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px dashed var(--gp-border);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.gp-trust span {
    font-size: 12px;
    color: var(--gp-text-muted);
}