/*
 * Heidelberg Materials branding for the Precast Portal.
 * Raw brand colours live on :root; semantic tokens live on .hm-app and switch with data-theme (set by MainLayout).
 * The MudBlazor palette (Components/Layout/BrandTheme.cs) mirrors these values.
 */

:root {
    /* Primary */
    --hm-deep-green: #004E2B;
    --hm-mid-green: #00843D;
    --hm-bright-green: #00DD39;

    /* Neutral */
    --hm-white: #FFFFFF;
    --hm-sandy-grey: #E6E6DF;
    --hm-dark-grey: #3B3B3B;

    /* Deep Green shades used for surfaces in dark mode */
    --hm-deep-green-dark: #003D22;
    --hm-deep-green-raised: #005A33;

    --font-display: 'Lexend Exa HM', Calibri, sans-serif;
    --font-body: 'Lexend HM', Calibri, sans-serif;
    --shape-radius: 24px;
}

.hm-app {
    --color-background: var(--hm-white);
    --color-background-alt: var(--hm-sandy-grey);
    --color-surface: var(--hm-white);
    --color-border: #CFCFC4;
    --color-border-strong: #767670;
    --color-text-primary: var(--hm-dark-grey);
    --color-text-secondary: #585858;
    --color-text-heading: var(--hm-deep-green);
    --color-text-on-dark: var(--hm-white);
    --color-accent: var(--hm-mid-green);
    --color-accent-border: var(--hm-deep-green);
    --color-accent-tint: rgba(0, 78, 43, 0.06);
    --color-cta: var(--hm-bright-green);
    --color-cta-text: var(--hm-deep-green);
    --color-cta-border: var(--hm-deep-green);
    --color-focus: var(--hm-deep-green);
    --color-diff: #B3261E;

    min-height: 100vh;
    background-color: var(--color-background);
    color: var(--color-text-primary);
    font-family: var(--font-body);
}

.hm-app[data-theme="dark"] {
    --color-background: var(--hm-deep-green);
    --color-background-alt: var(--hm-deep-green-dark);
    --color-surface: var(--hm-deep-green-raised);
    --color-border: rgba(255, 255, 255, 0.22);
    --color-border-strong: #8FBFA6;
    --color-text-primary: var(--hm-white);
    --color-text-secondary: rgba(255, 255, 255, 0.78);
    --color-text-heading: var(--hm-white);
    --color-accent: var(--hm-bright-green);
    --color-accent-border: var(--hm-bright-green);
    --color-accent-tint: rgba(0, 221, 57, 0.10);
    --color-cta-border: transparent;
    --color-focus: var(--hm-bright-green);
    --color-diff: #FFB4AB;
}

/* ---------- Typography ---------- */

.hm-app .mud-typography {
    font-family: var(--font-body);
}

.hm-app .mud-typography-h1,
.hm-app .mud-typography-h2,
.hm-app .mud-typography-h3,
.hm-app .mud-typography-h4,
.hm-app .mud-typography-h5,
.hm-app .mud-typography-h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-text-heading);
}

.hm-app .mud-typography-h4 {
    font-size: 1.75rem;
    line-height: 1.25;
}

.hm-app .mud-typography-h5 {
    font-size: 1.35rem;
    line-height: 1.3;
}

.hm-app .mud-typography-h6 {
    font-size: 1.1rem;
    line-height: 1.35;
}

.hm-app .mud-typography-button,
.hm-app .mud-button-root {
    font-family: var(--font-body);
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
}

/* ---------- Focus (WCAG 2.4.7) ---------- */

.hm-app :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

.hm-app .mud-appbar :focus-visible {
    outline-color: var(--hm-white);
}

.hm-skip-link {
    position: absolute;
    top: -100px;
    left: 8px;
    z-index: 2000;
    padding: 8px 16px;
    background: var(--hm-deep-green);
    color: var(--hm-white);
    font-weight: 700;
    border-radius: 0 0 4px 4px;
}

.hm-skip-link:focus {
    top: 0;
}

/* ---------- App bar ---------- */

.hm-app .mud-appbar {
    border-bottom-right-radius: var(--shape-radius);
}

.hm-app[data-theme="dark"] .mud-appbar {
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
}

.hm-app .hm-brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--hm-white);
}

.hm-app .hm-brand:hover {
    text-decoration: underline;
}

/* Logo height is fixed; the icon-only version replaces the full logo on narrow screens */
.hm-app .hm-logo-link {
    display: inline-flex;
    align-items: center;
    margin-left: 12px;
}

.hm-app .hm-logo {
    height: 34px;
    width: auto;
}

.hm-app .hm-logo--icon {
    display: none;
}

.hm-app .hm-app-name {
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid rgba(255, 255, 255, 0.4);
}

@media (max-width: 599.98px) {
    .hm-app .hm-logo--full {
        display: none;
    }

    .hm-app .hm-logo--icon {
        display: block;
    }

    .hm-app .hm-app-name {
        margin-left: 12px;
        padding-left: 12px;
    }
}

/* ---------- Shape: rectangle with a single rounded corner ---------- */

.hm-app .hm-card,
.hm-app .mud-dialog {
    border-radius: 0 var(--shape-radius) 0 0;
}

.hm-app .hm-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: none;
}

/* ---------- Buttons ---------- */

/* The one main action of a view: Bright Green with Deep Green text */
.hm-app .mud-button-root.hm-cta {
    background-color: var(--color-cta);
    color: var(--color-cta-text);
    border: 2px solid var(--color-cta-border);
    box-shadow: none;
}

.hm-app .mud-button-root.hm-cta:hover:not(.mud-disabled):not(:disabled) {
    background-color: var(--color-cta);
    filter: brightness(0.94);
}

.hm-app .mud-button-root.hm-cta.mud-disabled,
.hm-app .mud-button-root.hm-cta:disabled {
    background-color: var(--mud-palette-action-disabled-background);
    color: var(--mud-palette-action-disabled);
    border-color: transparent;
}

/* ---------- Page header ---------- */

.hm-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.hm-page-header__topline {
    font-weight: 700;
    color: var(--color-accent);
}

.hm-page-header__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ---------- Loading + empty states ---------- */

.hm-app .hm-spinner {
    color: var(--hm-white);
}

.hm-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    max-width: 520px;
    margin: 48px auto;
    padding: 32px 24px;
    text-align: center;
}

.hm-empty .mud-icon-root {
    font-size: 3rem;
    color: var(--color-accent);
}

/* ---------- Login ---------- */

.hm-auth {
    max-width: 440px;
    margin: 32px auto;
}

.hm-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hm-field__label {
    font-weight: 700;
}

.hm-field__input {
    padding: 12px;
    font: inherit;
    color: inherit;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 0 var(--shape-radius) 0 0;
}

.hm-field__input:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 1px;
}

/* ---------- Upload: choose type ---------- */

.hm-option-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.hm-option-card .mud-card-content {
    flex: 1 1 auto;
}

.hm-option-card .hm-option-icon {
    font-size: 2.5rem;
    color: var(--color-accent);
}

/* ---------- Upload: drop zone ---------- */

.hm-app .hm-dropzone {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
    padding: 24px;
    text-align: center;
    background-color: var(--color-background-alt);
    border: 2px dashed var(--color-border-strong);
    border-radius: 0 var(--shape-radius) 0 0;
    transition: background-color 120ms ease, border-color 120ms ease;
}

.hm-app .hm-dropzone--active {
    background-color: var(--color-accent-tint);
    border-color: var(--color-accent-border);
}

.hm-app .hm-dropzone .mud-icon-root.hm-dropzone__icon {
    font-size: 3rem;
    color: var(--color-accent);
}

.file-upload-input {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 10;
    opacity: 0;
}

/* ---------- Status report ---------- */

/* Not colour-only: mismatches are also bold and marked with a bar (WCAG 1.4.1) */
.hm-app .hm-diff {
    padding-left: 8px;
    border-left: 3px solid var(--color-diff);
    color: var(--color-diff);
    font-weight: 700;
}

.hm-app .hm-diff .mud-text-secondary {
    font-weight: 400;
}

/* ---------- Static error page and Blazor error banner ---------- */

.hm-error-page {
    max-width: 720px;
    margin: 48px auto;
}

.hm-error-page h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--color-text-heading);
}

.hm-error-page h2 {
    margin-top: 32px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text-heading);
}

.hm-error-page code {
    word-break: break-all;
}

.hm-error-page .hm-link-button {
    display: inline-block;
    margin-top: 16px;
    padding: 8px 20px;
    border: 2px solid var(--color-cta-border);
    border-radius: 4px;
    background-color: var(--color-cta);
    color: var(--color-cta-text);
    font-weight: 700;
    text-decoration: none;
}

#blazor-error-ui {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    padding: 12px 16px;
    background-color: var(--hm-deep-green-dark);
    color: var(--hm-white);
    border-top: 4px solid var(--hm-bright-green);
    font-family: var(--font-body);
}

#blazor-error-ui .reload {
    color: var(--hm-bright-green);
    font-weight: 700;
    margin-left: 8px;
}

#blazor-error-ui .dismiss {
    position: absolute;
    top: 8px;
    right: 12px;
    padding: 0 8px;
    background: transparent;
    border: 0;
    color: var(--hm-white);
    font-size: 1.5rem;
    line-height: 1.5;
    cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
    .hm-app .hm-dropzone {
        transition: none;
    }
}