/*
 * Corporate design tokens of Kremer IT-Service GmbH (see docs/03-design-styleguide.md).
 * Used for everything that is not covered by the MudBlazor theme:
 * status badges, portal footer, login page, logo wordmark.
 */
:root {
    --ks-primary: #0F9CD4;
    --ks-primary-dark: #0C7EAB;
    --ks-primary-light: #E3F4FB;
    --ks-dark: #2D2E33;
    --ks-text: #6C6D74;
    --ks-text-strong: #2D2E33;
    --ks-muted: #B4B5BA;
    --ks-bg: #FFFFFF;
    --ks-bg-alt: #F7F7F7;
    --ks-border: #E5E5E7;
    --ks-success: #3DC372;
    --ks-warning: #FF9E45;
    --ks-error: #E5484D;

    --ks-font: "Helvetica Neue", Helvetica, Arial, sans-serif;
    --ks-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

html, body {
    font-family: var(--ks-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--ks-text);
    background-color: var(--ks-bg);
}

/* No rounded corners anywhere – part of the brand image. */
.mud-paper,
.mud-card,
.mud-button-root,
.mud-input-control,
.mud-dialog,
.mud-alert,
.mud-table-container {
    border-radius: 0 !important;
}

/* Logo wordmark: "Kremer" and "-Service" dark, "IT" in the brand blue. */
.ks-logo {
    font-family: var(--ks-font);
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--ks-dark);
    text-decoration: none;
    white-space: nowrap;
}

.ks-logo__accent {
    color: var(--ks-primary);
}

.ks-logo--on-primary,
.ks-logo--on-primary .ks-logo__accent {
    color: #FFFFFF;
}

/* Header row below the top bar: logo left, page title right of it. */
.ks-header {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 64px;
    padding: 0 24px;
    background-color: var(--ks-bg);
    border-bottom: 1px solid var(--ks-border);
}

.ks-header__title {
    font-size: 32px;
    font-weight: 400;
    color: var(--ks-primary);
    margin: 0;
}

/* Navigation labels: small, wide letter spacing – a signature of the website. */
.ks-nav .mud-nav-link {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--ks-primary);
    border-radius: 0;
}

.ks-nav .mud-nav-link.active {
    color: var(--ks-primary);
    background-color: var(--ks-primary-light);
    border-left: 3px solid var(--ks-primary);
}

/* Content area: centred, never wider than 1400 px. */
.ks-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
}

.ks-card {
    background-color: var(--ks-bg);
    border: 1px solid var(--ks-border);
    box-shadow: none;
    padding: 24px;
}

/* Status and priority badges: always colour plus text (accessibility). */
.ks-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 12px;
    letter-spacing: 1px;
    color: #FFFFFF;
}

.ks-badge--new { background-color: var(--ks-primary); }
.ks-badge--in-progress { background-color: var(--ks-dark); }
.ks-badge--waiting { background-color: var(--ks-warning); }
.ks-badge--resolved { background-color: var(--ks-success); }
.ks-badge--closed { background-color: var(--ks-muted); }

.ks-badge--priority-low { background-color: var(--ks-muted); }
.ks-badge--priority-normal { background-color: var(--ks-primary); }
.ks-badge--priority-high { background-color: var(--ks-warning); }
.ks-badge--priority-critical { background-color: var(--ks-error); }

.ks-badge--active { background-color: var(--ks-success); }
.ks-badge--pending { background-color: var(--ks-warning); }
.ks-badge--inactive { background-color: var(--ks-muted); }

/* Anonymous account pages: centred card, no navigation. */
.ks-account {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    background-color: var(--ks-bg-alt);
}

.ks-account__card {
    width: 100%;
    max-width: 420px;
    padding: 32px;
    background-color: var(--ks-bg);
    border: 1px solid var(--ks-border);
    box-shadow: var(--ks-shadow);
}

.ks-account__brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 24px;
}

.ks-account__product {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--ks-muted);
}

.ks-account__title {
    font-size: 24px;
    font-weight: 400;
    color: var(--ks-text-strong);
    margin: 0 0 8px 0;
}

.ks-account__text {
    margin: 0 0 24px 0;
}

.ks-account__error {
    margin-bottom: 16px;
    padding: 12px;
    border-left: 3px solid var(--ks-error);
    background-color: #FDECEC;
    color: var(--ks-error);
}

.ks-account__links {
    margin-top: 24px;
    font-size: 14px;
}

.ks-account__links a {
    color: var(--ks-primary);
}

/* Plain form fields – the account pages render statically, without MudBlazor interactivity. */
.ks-field {
    display: block;
    margin-bottom: 16px;
}

.ks-field--inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ks-field__label {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
    color: var(--ks-text-strong);
}

.ks-field__input {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--ks-font);
    font-size: 16px;
    color: var(--ks-text-strong);
    background-color: var(--ks-bg);
    border: 1px solid var(--ks-border);
    border-radius: 0;
}

.ks-field__input:focus {
    outline: none;
    border-color: var(--ks-primary);
}

.ks-field__error {
    display: block;
    margin-top: 4px;
    font-size: 13px;
    color: var(--ks-error);
}

.ks-button {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--ks-font);
    font-size: 14px;
    letter-spacing: 1px;
    color: #FFFFFF;
    background-color: var(--ks-primary);
    border: none;
    border-radius: 0;
    cursor: pointer;
}

.ks-button:hover {
    background-color: var(--ks-primary-dark);
}

/* Submit button that has to look like a menu entry (logout inside the user menu). */
.ks-linkbutton {
    padding: 0;
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

/* File upload: native input hidden, its label styled as a flat button. */
.ks-upload {
    display: inline-block;
}

.ks-upload input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
}

.ks-upload__button {
    display: inline-block;
    padding: 6px 16px;
    font-size: 14px;
    color: var(--ks-primary);
    border: 1px solid var(--ks-primary);
    cursor: pointer;
}

.ks-upload__button:hover {
    background-color: var(--ks-primary-light);
}

.ks-upload__button--disabled {
    color: var(--ks-muted);
    border-color: var(--ks-border);
    cursor: default;
}

/* Ticket history: comments as cards, system events as quiet one-liners. */
.ks-timeline {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ks-comment {
    padding: 12px 16px;
    border: 1px solid var(--ks-border);
    background-color: var(--ks-bg);
}

/* Internal comments are visibly set apart – they must never reach the customer. */
.ks-comment--internal {
    background-color: #FFFBEA;
    border-left: 3px solid var(--ks-warning);
}

.ks-comment__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--ks-muted);
}

.ks-comment__body {
    color: var(--ks-text-strong);
}

/* Rich-text comment content: keep embedded images within the card. */
.ks-comment__body img {
    max-width: 100%;
    height: auto;
}

.ks-comment__body p {
    margin: 0 0 8px 0;
}

.ks-comment__body p:last-child {
    margin-bottom: 0;
}

.ks-event {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 2px 4px;
    font-size: 13px;
    color: var(--ks-muted);
}

/* Right-hand side panel of the ticket detail page. */
.ks-sidepanel__row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--ks-border);
    font-size: 14px;
}

.ks-sidepanel__row:last-child {
    border-bottom: none;
}

.ks-sidepanel__label {
    color: var(--ks-muted);
}

.ks-sidepanel__value {
    color: var(--ks-text-strong);
    text-align: right;
}

.ks-overdue {
    color: var(--ks-error);
}

/* Dashboard tiles. */
.ks-tile {
    display: block;
    padding: 16px 20px;
    border: 1px solid var(--ks-border);
    background-color: var(--ks-bg);
    text-decoration: none;
}

.ks-tile:hover {
    border-color: var(--ks-primary);
}

.ks-tile__value {
    font-size: 32px;
    font-weight: 400;
    color: var(--ks-primary);
    line-height: 1.2;
}

.ks-tile__label {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--ks-text);
}

/* Customer portal: blue bar, centred content, dark footer. */
.ks-portal {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--ks-bg-alt);
}

.ks-portal__bar {
    display: flex;
    align-items: center;
    gap: 32px;
    height: 56px;
    padding: 0 24px;
    background-color: var(--ks-primary);
}

.ks-portal__nav {
    display: flex;
    gap: 24px;
    flex-grow: 1;
}

.ks-portal__nav a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.85;
}

.ks-portal__nav a:hover,
.ks-portal__nav a.active {
    opacity: 1;
    border-bottom: 2px solid #FFFFFF;
}

.ks-portal__logout .ks-linkbutton {
    color: #FFFFFF;
    opacity: 0.85;
    font-size: 13px;
}

.ks-portal__content {
    flex-grow: 1;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 24px;
}

.ks-portal__footer {
    background-color: var(--ks-dark);
    color: #FFFFFF;
    padding: 16px 24px;
    text-align: center;
    font-size: 13px;
}

.ks-portal__footer-accent {
    color: var(--ks-primary);
    margin-top: 4px;
}

/* Print view: hide the chrome, show only the ticket content. */
@media print {
    .mud-appbar,
    .mud-drawer,
    .ks-header,
    .ks-no-print,
    #blazor-error-ui {
        display: none !important;
    }

    .mud-main-content,
    .ks-content {
        margin: 0 !important;
        padding: 0 !important;
    }

    .ks-card {
        border: none !important;
        box-shadow: none !important;
        break-inside: avoid;
    }

    a {
        text-decoration: none;
        color: inherit;
    }
}

/* Empty states on placeholder and list pages. */
.ks-empty {
    color: var(--ks-muted);
    padding: 48px 0;
    text-align: center;
}