/* ==========================================================================
   RS Musashi Contact — Frontend Styles
   ========================================================================== */

:root {
    --rsmcf-primary: #0A2F86;
    --rsmcf-accent: #329BD2;
    --rsmcf-text: #333333;
    --rsmcf-label: #2C2624;
    --rsmcf-border: #DDDDDD;
    --rsmcf-placeholder: #9DA4AE;
    --rsmcf-required: #CE052C;
}

.rsmcf-form-wrap {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
    font-family: "Noto Sans TC", sans-serif;
}

/* ---------- Main Header ---------- */
.rsmcf-main-header {
    display: flex;
    align-items: center;
    gap: 24px;
}

.rsmcf-dot {
    display: block;
    width: 8px;
    height: 8px;
    background: var(--rsmcf-primary);
    border-radius: 9999px;
    flex-shrink: 0;
}

.rsmcf-main-title {
    color: var(--rsmcf-text);
    font-size: 23px;
    font-weight: 700;
    line-height: 36.8px;
    letter-spacing: 2.3px;
}

/* ---------- Section Divider ---------- */
.rsmcf-section-divider {
    padding: 16px 0;
    border-top: 1px solid var(--rsmcf-border);
}

.rsmcf-section-header-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
}

.rsmcf-section-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.rsmcf-section-title {
    color: var(--rsmcf-text);
    font-size: 18px;
    font-weight: 500;
    line-height: 28.8px;
    letter-spacing: 1.8px;
}

.rsmcf-required-note {
    color: var(--rsmcf-required);
    font-size: 14px;
    font-weight: 400;
    line-height: 22.4px;
    letter-spacing: 1.4px;
}

/* ---------- Fields ---------- */
.rsmcf-field {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.rsmcf-label {
    color: var(--rsmcf-label);
    font-size: 16px;
    font-weight: 500;
    line-height: 25.6px;
    letter-spacing: 1.6px;
}

.rsmcf-req {
    color: var(--rsmcf-required);
}

.rsmcf-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--rsmcf-border);
    border-radius: 2px;
    font-size: 16px;
    font-family: "Noto Sans TC", sans-serif;
    line-height: 32px;
    letter-spacing: 1.6px;
    color: var(--rsmcf-text);
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.2s;
}

.rsmcf-input::placeholder {
    color: var(--rsmcf-placeholder);
}

.rsmcf-input:focus {
    border-color: var(--rsmcf-accent);
}

.rsmcf-input.rsmcf-error {
    border-color: var(--rsmcf-required);
}

.rsmcf-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Name row */
.rsmcf-name-row {
    display: flex;
    gap: 16px;
}

.rsmcf-name-col {
    display: flex;
    align-items: center;
    gap: 16px;
}

.rsmcf-name-label {
    color: var(--rsmcf-label);
    font-size: 16px;
    font-weight: 500;
    line-height: 25.6px;
    letter-spacing: 1.6px;
    white-space: nowrap;
}

.rsmcf-input-name {
    width: 200px;
}

/* Select */
.rsmcf-select-wrap {
    position: relative;
}

.rsmcf-select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 40px;
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='15' viewBox='0 0 12 15'%3E%3Cpath d='M6 0L0 6H12L6 0ZM6 15L0 9H12L6 15Z' fill='%23333'/%3E%3C/svg%3E") no-repeat right 12px center;
}

/* ==========================================================================
   Custom Checkbox — Figma 風格
   ========================================================================== */
.rsmcf-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rsmcf-checkbox-item {
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    user-select: none;
}

.rsmcf-checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.rsmcf-checkbox-box {
    width: 20px;
    height: 20px;
    border: 1px solid var(--rsmcf-border);
    border-radius: 2px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color 0.2s;
}

.rsmcf-check-svg {
    opacity: 0;
    transition: opacity 0.15s;
}

/* Checked state */
.rsmcf-checkbox-item input[type="checkbox"]:checked ~ .rsmcf-checkbox-box {
    border-color: var(--rsmcf-accent);
}

.rsmcf-checkbox-item input[type="checkbox"]:checked ~ .rsmcf-checkbox-box .rsmcf-check-svg {
    opacity: 1;
}

.rsmcf-checkbox-item input[type="checkbox"]:checked ~ .rsmcf-checkbox-label {
    color: var(--rsmcf-accent);
}

.rsmcf-checkbox-label {
    color: var(--rsmcf-label);
    font-size: 16px;
    font-weight: 400;
    line-height: 32px;
    letter-spacing: 1.6px;
    transition: color 0.15s;
}

/* Error state for checkbox group */
.rsmcf-checkbox-group.rsmcf-error .rsmcf-checkbox-box {
    border-color: var(--rsmcf-required);
}

/* ==========================================================================
   Custom Radio — Figma 風格
   ========================================================================== */
.rsmcf-radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rsmcf-radio-item {
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    user-select: none;
}

.rsmcf-radio-item input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.rsmcf-radio-circle {
    width: 20px;
    height: 20px;
    border: 1px solid var(--rsmcf-border);
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color 0.2s;
}

.rsmcf-radio-circle::after {
    content: '';
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--rsmcf-accent);
    opacity: 0;
    transition: opacity 0.15s;
}

.rsmcf-radio-item input[type="radio"]:checked ~ .rsmcf-radio-circle {
    border-color: var(--rsmcf-accent);
}

.rsmcf-radio-item input[type="radio"]:checked ~ .rsmcf-radio-circle::after {
    opacity: 1;
}

.rsmcf-radio-label {
    color: var(--rsmcf-label);
    font-size: 16px;
    font-weight: 400;
    line-height: 32px;
    letter-spacing: 1.6px;
}

/* Error state for radio */
.rsmcf-radio-group.rsmcf-error .rsmcf-radio-circle {
    border-color: var(--rsmcf-required);
}

/* ---------- Privacy ---------- */
.rsmcf-privacy-checkbox {
    margin-bottom: 0;
}

.rsmcf-privacy-note {
    color: var(--rsmcf-label);
    font-size: 14px;
    font-weight: 400;
    line-height: 22.4px;
    letter-spacing: 1.4px;
    margin: 0;
}

.rsmcf-privacy-link {
    color: var(--rsmcf-accent);
    text-decoration: none;
}

.rsmcf-privacy-link:hover {
    text-decoration: underline;
}

/* ---------- Submit ---------- */
.rsmcf-form-footer {
    display: flex;
    justify-content: center;
    padding-top: 40px;
}

.rsmcf-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 24px 32px;
    background: var(--rsmcf-primary);
    border-radius: 40px;
    border: none;
    cursor: pointer;
    color: #fff;
    font-size: 18px;
    font-family: "Noto Sans TC", sans-serif;
    font-weight: 400;
    line-height: 28.8px;
    letter-spacing: 1.8px;
    min-width: 400px;
    transition: opacity 0.2s;
    position: relative;
}

.rsmcf-submit-btn:hover {
    opacity: 0.9;
}

.rsmcf-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.rsmcf-submit-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: rsmcf-spin 0.6s linear infinite;
}

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

.rsmcf-submit-arrow {
    flex-shrink: 0;
}

/* ---------- Success Message ---------- */
.rsmcf-success-msg {
    text-align: center;
    padding: 40px 20px;
    font-size: 18px;
    color: var(--rsmcf-text);
    line-height: 32px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .rsmcf-name-row {
        flex-direction: column;
        gap: 12px;
    }
    .rsmcf-name-col {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .rsmcf-input-name {
        width: 100%;
    }
    .rsmcf-submit-btn {
        min-width: unset;
        width: 100%;
        padding: 18px 24px;
    }
    .rsmcf-main-title {
        font-size: 20px;
    }
    .rsmcf-section-header-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}