/* Compact Form Styles (fits in 1200x800 viewport) */
.form-container {
    --form-max-width: 95vw;
    --form-padding: 0.8rem;
    --form-gap: 0.6rem;
    --input-padding: 0.45rem;
    --base-font-size: 0.9rem;

    max-width: var(--form-max-width);
    margin: 0.6rem auto;
    padding: var(--form-padding);
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    width: fit-content;
    height: calc(100vh - 2rem);
    max-height: fit-content;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

/* Headings and intro */
.form-container h1 {
    color: var(--bg-dark);
    margin-bottom: 0.6rem;
    font-size: 1.8rem;
    line-height: 1.2;
}

.form-intro {
    color: var(--text-on-light);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Form layout */
.demo-form {
    display: grid;
    gap: var(--form-gap);
    flex: 1 1 auto;
    align-content: start;
    overflow-y: auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--form-gap);
    max-width: 85vw;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    max-width: 85vw;
}

.form-group label {
    color: var(--bg-dark);
    font-weight: 500;
    font-size: calc(var(--base-font-size) * 1);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--input-padding);
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: calc(var(--base-font-size) * 0.95);
    transition: border-color 0.2s;
}

/* Inline arrangement for country code + phone number */
.phone-inline {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    max-width: 85vw;
}
.phone-inline select {
    flex: 0 0 auto;
    min-width: 5rem; /* fits flag + code */
}
.phone-inline input[type="tel"] {
    flex: 1 1 12rem;
}
.phone-inline .custom-country-input {
    flex: 0 0 auto;
    min-width: 4rem;
    max-width: 4rem;
    width: 4rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(108, 45, 213, 0.08);
    max-width: 85vw;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    font-size: calc(var(--base-font-size) * 0.9);
}

/* Submit area */
.form-submit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.4rem;
    background: #fff;
    padding-top: 0.3rem;
}

.submit-btn {
    width: 100%;
    max-width: 300px;
    padding: 0.7rem 0.9rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: calc(var(--base-font-size) * 1);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

.submit-btn:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}
/* Disabled state */
.submit-btn.disabled,
.submit-btn:disabled {
    background: #ccc;
    color: #666;
    cursor: not-allowed;
    transform: none;
    pointer-events: none;
    box-shadow: none;
    opacity: 0.7;
}

/* Compact feedback text */
.required-fields {
    color: #666;
    font-size: 0.8rem;
}

/* Success message */
.success-message {
    text-align: center;
    padding: 1.5rem;
}

.success-message h2 {
    color: var(--accent);
    margin-bottom: 0.6rem;
    font-size: 1.5rem;
}

.success-message p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* Back link */
.back-link {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    margin-bottom: 1rem;
    font-weight: 500;
    font-size: 0.95rem;
}
.back-link:hover {
    text-decoration: underline;
}

/* Error and validation */
.form-group input:invalid,
.form-group select:invalid {
    border-color: #ff4444;
}
.error-message {
    color: #ff4444;
    font-size: 0.8rem;
    margin-top: 0.2rem;
}

/* Loading state */
.submit-btn.loading {
    background: var(--accent-dark);
    pointer-events: none;
    position: relative;
}
.submit-btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive refinement: stay two-column for efficiency */
@media (max-width: 900px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Very tall screens can afford larger padding */
@media (min-height: 900px) {
    .form-container {
        --form-padding: 1rem;
        --form-gap: 0.8rem;
        --base-font-size: 1rem;
    }
}