/* Color palette inspired by nxtConcepts ROAS page: deep navy + green accents */
:root {
    --color-bg-dark: #0b1f3a; /* deep navy */
    --color-bg-dark-2: #13325a; /* secondary navy */
    --color-surface: #ffffff;
    --color-text: #1f2937;
    --color-text-muted: #333;
    --color-primary: #16a34a; /* green accent */
    --color-primary-600: #128c40;
    --color-primary-700: #0f7736;
    --color-border: #e5e7eb;
    --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.utm-module-container {
    background: var(--color-surface);
    border-radius: 12px;
    box-shadow: var(--shadow-strong);
    overflow: hidden;
}

.utm-header {
   /* background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-dark-2) 100%);
    color: #fff;*/
    padding: 32px 24px;
    text-align: center;
}

.utm-header h1 {
    font-size: 2rem;
    margin-bottom: 6px;
    font-weight: 700;
}

.utm-header .subtitle {
    font-size: 1rem;
    opacity: 0.95;
}

.utm-main {
    padding: 28px 22px;
}

.builder-section h2 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: var(--color-text);
}

.description {
    color: var(--color-text-muted);
    margin-bottom: 22px;
    font-size: 0.98rem;
}

.utm-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

.required {
    color: #ef4444;
}

.field-name {
    color: var(--color-text-muted);
    font-weight: 400;
    font-size: 0.85rem;
    margin-left: 5px;
}

.form-group input {
    padding: 12px 14px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.25s ease;
    font-family: inherit;
    background: #fff;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
}

.form-group input::placeholder {
    color: #9ca3af;
}

.helper-text {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: -2px;
}

.result-section {
    margin-top: 28px;
    padding-top: 22px;
    border-top: 2px solid var(--color-border);
}

.result-section label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.url-display {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

#generatedUrl {
    flex: 1;
    padding: 12px 14px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    background: #f9fafb;
    color: var(--color-text);
    word-break: break-all;
}

#generatedUrl:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
    background: #fff;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
    font-family: inherit;
}

.copy-btn:hover {
    background: var(--color-primary-600);
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(22, 163, 74, 0.35);
}

.copy-btn:active {
    transform: translateY(0);
}

.copy-btn svg {
    flex-shrink: 0;
}

.copy-btn.copied {
    background: #10b981; /* emerald */
}

.copy-btn.copied:hover {
    background: #0ea773;
}

.info-section {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 2px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.info-section p { margin-bottom: 8px; }
.info-section strong { color: var(--color-text); }

.utm-footer {
    background: #f3f4f6;
    padding: 16px 22px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .utm-main { padding: 22px 16px; }
    .utm-header { padding: 28px 18px; }
    .utm-header h1 { font-size: 1.65rem; }
    .url-display { flex-direction: column; }
    .copy-btn { width: 100%; justify-content: center; }
}