.page-header { margin: 8px 0 24px; }
.page-header h1 {
    font-size: var(--text-h2);
    font-weight: var(--fw-semibold);
    letter-spacing: -0.028em;
    color: var(--color-text-primary);
    margin: 0 0 8px;
    line-height: 1.1;
}
.page-header .page-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    letter-spacing: -0.01em;
    line-height: 1.45;
    margin: 0;
    max-width: 560px;
}

.tk-split {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: start;
}
body[data-subnav="off"] .tk-split { grid-template-columns: 1fr; }
body[data-subnav="off"] .tk-split > .tk-aside { display: none; }
body[data-subnav-side="right"] .tk-split { grid-template-columns: 1fr 240px; }
body[data-subnav-side="right"] .tk-split > .tk-aside { grid-column: 2; grid-row: 1; }
body[data-subnav-side="right"] .tk-split > .tk-main { grid-column: 1; grid-row: 1; }
body[data-subnav-side="outside"] .tk-split,
body[data-subnav-side="outside-left"] .tk-split { grid-template-columns: 1fr; position: relative; }
body[data-subnav-side="outside"] .tk-split > .tk-aside,
body[data-subnav-side="outside-left"] .tk-split > .tk-aside { position: absolute; top: 0; width: 240px; }
body[data-subnav-side="outside"] .tk-split > .tk-aside { left: calc(100% + 24px); }
body[data-subnav-side="outside-left"] .tk-split > .tk-aside { right: calc(100% + 24px); left: auto; }
body[data-subnav-side="outside"]:not([data-layout="top"]):not([data-align="left"]):not([data-align="content"]) .ph-main-wrap .content-area { transform: translateX(-132px); }
body[data-subnav-side="outside-left"]:not([data-layout="top"]):not([data-align="left"]):not([data-align="content"]) .ph-main-wrap .content-area { transform: translateX(132px); }

.tk-aside { display: flex; flex-direction: column; gap: 16px; }
.tk-main { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.subnav-card { padding: 8px; }
.subnav-heading {
    font-size: var(--text-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 10px 12px 8px;
}
.subnav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--text-base);
    letter-spacing: -0.008em;
    text-decoration: none;
    transition: background var(--transition-fast);
}
.subnav-item:hover { background: var(--sidebar-item-hover); color: var(--color-text-primary); text-decoration: none; }
.subnav-item.active { background: var(--sidebar-item-active); font-weight: var(--fw-medium); }
.subnav-item svg { width: 14px; height: 14px; color: var(--color-text-tertiary); flex-shrink: 0; }
.subnav-item.active svg { color: var(--color-accent); }

/* Error banner */
.tk-error-banner {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: var(--color-red-bg);
    color: var(--color-red-text);
    font-size: var(--text-base);
    line-height: 1.5;
}
.tk-error-banner svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; }

/* Intro section above each step's content */
.tk-intro { padding: 22px 24px 18px; }
.tk-step {
    font-size: var(--text-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 6px;
}
.tk-intro h2 {
    font-size: var(--text-3xl);
    font-weight: var(--fw-semibold);
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin: 0 0 8px;
    line-height: 1.2;
}
.tk-intro p {
    font-size: var(--text-md);
    color: var(--color-text-secondary);
    line-height: 1.55;
    margin: 0;
}
.tk-intro strong { color: var(--color-text-primary); font-weight: var(--fw-semibold); }

/* Department radio cards (step 1) */
.dept-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0 20px 20px;
}
.dept-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px 20px;
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border-card);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}
.dept-card:hover {
    background: var(--color-surface);
    transform: translateY(-1px);
    box-shadow: var(--shadow-card-hover);
}
.dept-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.dept-card:has(input[type="radio"]:checked) {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}
.dept-head {
    display: flex;
    align-items: center;
    gap: 10px;
}
.dept-ico {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.dept-ico.tech { background: var(--color-blue-bg); color: var(--color-blue-text); }
.dept-ico.sales { background: var(--color-green-bg); color: var(--color-green-text); }
.dept-ico.abuse { background: var(--color-red-bg); color: var(--color-red-text); }
.dept-ico svg { width: 18px; height: 18px; }
.dept-name {
    font-size: var(--text-lg);
    font-weight: var(--fw-semibold);
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
    flex: 1;
    min-width: 0;
}
.dept-check {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    flex-shrink: 0;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
}
.dept-card:has(input[type="radio"]:checked) .dept-check {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-surface);
}
.dept-check svg { width: 10px; height: 10px; }
.dept-desc {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.55;
    margin: 0;
}

/* Step 2 form fields */
.tk-submit-form { padding: 0 24px 22px; display: flex; flex-direction: column; gap: 16px; }
.tk-submit-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.tk-submit-form .form-group { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.tk-submit-form .form-label {
    font-size: var(--text-base);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    letter-spacing: -0.008em;
}
.tk-submit-form .form-input,
.tk-submit-form .form-select {
    height: 38px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    border: 0.5px solid var(--color-border);
    background: var(--color-surface);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.tk-submit-form .form-input:focus,
.tk-submit-form .form-select:focus,
.tk-submit-form textarea.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}
.tk-submit-form textarea.form-input {
    height: auto;
    min-height: 180px;
    padding: 12px;
    line-height: 1.55;
    resize: vertical;
}
.tk-submit-form .tk-message-area { min-height: 200px; }
.tk-submit-form .tk-req { color: var(--color-red-text); }
.tk-submit-form .form-help {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin: 0;
    line-height: 1.45;
}

/* Custom fields output WHMCS's own input markup ($customfield.input); style it to match the Apple form fields */
.tk-submit-form .tk-customfield .form-control:not([type="checkbox"]):not([type="radio"]),
.tk-submit-form .tk-customfield input[type="text"],
.tk-submit-form .tk-customfield input[type="password"],
.tk-submit-form .tk-customfield input[type="email"],
.tk-submit-form .tk-customfield input[type="number"],
.tk-submit-form .tk-customfield input[type="date"],
.tk-submit-form .tk-customfield select,
.tk-submit-form .tk-customfield textarea {
    width: 100%;
    height: 38px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    border: 0.5px solid var(--color-border);
    background: var(--color-surface);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.tk-submit-form .tk-customfield textarea {
    height: auto;
    min-height: 96px;
    padding: 12px;
    line-height: 1.55;
    resize: vertical;
}
.tk-submit-form .tk-customfield .form-control:focus,
.tk-submit-form .tk-customfield input:focus,
.tk-submit-form .tk-customfield select:focus,
.tk-submit-form .tk-customfield textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}
.tk-submit-form .tk-cf-check {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    font-size: var(--text-base);
    color: var(--color-text-primary);
    line-height: 1.5;
}
.tk-submit-form .tk-cf-check input[type="checkbox"] { margin-top: 3px; flex-shrink: 0; }

/* Attachment dropper */
.tk-drop {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 16px;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-tertiary);
    font-size: var(--text-base);
    letter-spacing: -0.008em;
    transition: all var(--transition-fast);
}
.tk-drop:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
    color: var(--color-accent);
}
.tk-drop.has-file {
    border-style: solid;
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-light);
}
.tk-drop svg { width: 14px; height: 14px; flex-shrink: 0; }
.tk-drop-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
/* Visually hide the native file input but keep it clickable via the wrapping label */
.tk-drop input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Multiple attachment rows + "add another" */
.tk-attach-rows {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.tk-attach-row {
    display: flex;
    align-items: stretch;
    gap: 8px;
}
.tk-attach-row .tk-drop {
    flex: 1;
    min-width: 0;
}
.tk-attach-remove {
    flex-shrink: 0;
    width: 38px;
    border: 0.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.tk-attach-remove[hidden] { display: none; }
.tk-attach-remove:hover {
    border-color: var(--color-red-text);
    color: var(--color-red-text);
    background: var(--color-red-bg);
}
.tk-attach-remove svg { width: 14px; height: 14px; }
.tk-attach-add {
    align-self: flex-start;
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border: 0.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    font-family: inherit;
    letter-spacing: -0.008em;
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.tk-attach-add:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-light);
}
.tk-attach-add svg { width: 14px; height: 14px; }
.tk-drop-hint {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-xs);
    color: var(--color-text-quaternary);
}
.tk-drop-hint svg { width: 11px; height: 11px; }

/* Form footer */
.tk-form-foot {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px 22px;
    border-top: 0.5px solid var(--color-border);
    margin-top: 4px;
}
.tk-form-foot .btn-secondary,
.tk-form-foot .btn-primary {
    height: 38px;
    padding: 0 18px;
    font-size: var(--text-base);
}

/* Empty state */
.tk-empty { padding: 0; }
.tk-empty-inner {
    padding: 40px 24px;
    text-align: center;
    color: var(--color-text-secondary);
}
.tk-empty-ico {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-surface-secondary);
    color: var(--color-text-tertiary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}
.tk-empty-ico svg { width: 22px; height: 22px; }
.tk-empty-title {
    font-size: var(--text-lg);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    margin: 0 0 4px;
    letter-spacing: -0.01em;
}
.tk-empty-sub {
    font-size: var(--text-base);
    color: var(--color-text-tertiary);
    margin: 0 auto 18px;
    max-width: 340px;
    line-height: 1.45;
}

/* CAPTCHA widget (guest submissions) */
.tk-captcha { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.tk-captcha .g-recaptcha,
.tk-captcha .h-captcha { display: inline-block; }
.tk-captcha img { border-radius: var(--radius-sm); border: 0.5px solid var(--color-border); }
.tk-captcha input[type="text"] {
    height: 40px; padding: 0 12px; max-width: 220px;
    border: 0.5px solid var(--color-border); border-radius: var(--radius-sm);
    background: var(--color-surface); font-size: var(--text-md); font-family: inherit;
    color: var(--color-text-primary);
}
.tk-captcha input[type="text"]:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-light); }

@media (max-width: 1100px) {
    body[data-subnav-side="outside"] .tk-split,
    body[data-subnav-side="outside-left"] .tk-split { grid-template-columns: 240px 1fr; gap: 24px; position: static; }
    body[data-subnav-side="outside"] .tk-split > .tk-aside,
    body[data-subnav-side="outside-left"] .tk-split > .tk-aside { position: static; width: auto; left: auto; right: auto; }
    body[data-subnav-side="outside"]:not([data-layout="top"]):not([data-align="left"]):not([data-align="content"]) .ph-main-wrap .content-area,
    body[data-subnav-side="outside-left"]:not([data-layout="top"]):not([data-align="left"]):not([data-align="content"]) .ph-main-wrap .content-area { transform: none; }
}

@media (max-width: 880px) {
    .tk-split,
    body[data-subnav-side="right"] .tk-split,
    body[data-subnav-side="outside"] .tk-split,
    body[data-subnav-side="outside-left"] .tk-split { grid-template-columns: 1fr; }
    .page-header h1 { font-size: var(--text-h3); }
}

@media (max-width: 720px) {
    .dept-grid { grid-template-columns: 1fr; }
    .tk-submit-form .form-row { grid-template-columns: 1fr; }
    .tk-intro { padding: 18px 20px 14px; }
    .tk-submit-form { padding: 0 20px 18px; }
    .tk-form-foot { padding: 14px 20px 18px; flex-direction: column-reverse; align-items: stretch; }
    .tk-form-foot .btn-primary,
    .tk-form-foot .btn-secondary { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .page-header h1 { font-size: var(--text-h4); }
}