/* app.css — globale Design-Tokens, Typografie, Basis-Resets.
   Token-Definition siehe docs/design/design-system.md.
   Brand-Linie ab TICKET-022: edugroup (Lila Primary, Tuerkis Accent, Lexend). */

@font-face {
    font-family: 'Lexend';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/lexend/Lexend-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Lexend';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('/fonts/lexend/Lexend-Medium.ttf') format('truetype');
}

@font-face {
    font-family: 'Lexend';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('/fonts/lexend/Lexend-SemiBold.ttf') format('truetype');
}

@font-face {
    font-family: 'Lexend';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('/fonts/lexend/Lexend-Bold.ttf') format('truetype');
}

:root {
    /* Brand — edugroup (Skill: primary #3b2b69, accent #00d4d1, surface #e6fbfa) */
    --color-primary: #3b2b69;
    --color-primary-hover: #2d2150;
    --color-primary-light: #e2e5fe;
    --color-accent: #00d4d1;
    --color-accent-hover: #00b3b0;

    /* Neutrals */
    --color-bg: #ffffff;
    --color-bg-alt: #e6fbfa;
    --color-surface: #ffffff;
    --color-border: #dee2e6;
    --color-border-strong: #c9ced4;
    --color-text: #1a1a1a;
    --color-text-muted: #6c757d;
    --color-text-inverse: #ffffff;

    /* State — edugroup (Skill: success #00a100, warning #ffcc00, danger #ff4a38) */
    --color-success: #00a100;
    --color-success-bg: #e8f7e8;
    --color-warning: #ffcc00;
    --color-warning-bg: #fff8d9;
    --color-danger: #ff4a38;
    --color-danger-bg: #ffe5e1;
    --color-info: #3b2b69;
    --color-info-bg: #e2e5fe;

    /* Typography — Lexend ist die Brand-Schrift; Body/UI/Headings durchgehend Lexend. */
    --font-sans: 'Lexend', 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Cascadia Code', Consolas, 'Courier New', monospace;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.05);
    --shadow-md: 0 4px 6px rgba(17, 24, 39, 0.07);
    --shadow-lg: 0 10px 15px rgba(17, 24, 39, 0.10);
    --shadow-focus: 0 0 0 3px rgba(59, 43, 105, 0.25);

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-overlay: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-toast: 1060;

    /* Bootstrap-Variablen (Kendo-Bootstrap-Theme nutzt diese) */
    --bs-primary: var(--color-primary);
    --bs-body-font-family: var(--font-sans);
    --bs-body-color: var(--color-text);
    --bs-body-bg: var(--color-bg);
    --bs-border-color: var(--color-border);

    /* Kendo-Bootstrap-Theme-Variablen */
    --kendo-color-primary: var(--color-primary);
    --kendo-color-primary-hover: var(--color-primary-hover);
    --kendo-color-base: var(--color-bg);
    --kendo-color-on-base: var(--color-text);
    --kendo-border-radius-md: var(--radius-sm);
    --kendo-font-family: var(--font-sans);
}

html {
    font-family: var(--font-sans);
    font-optical-sizing: auto;
    color: var(--color-text);
    background: var(--color-bg);
}

body {
    font-family: var(--font-sans);
}

.tabular-nums {
    font-variant-numeric: tabular-nums;
}

/* === Components: Row Actions =====================================
   Inline-Buttons fuer Aktionen in Tabellen-/Grid-Zeilen.
   Outline-Stil in Ruhe (1px Brand-Border + transparenter BG),
   Solid-Fill on Hover (gefuelltes lila + weisse Schrift).
   Modifier `.row-action--danger` faerbt fuer destruktive Aktionen rot.

   Verwendung:
   - Bootstrap-Tabellen: <button class="row-action">…</button>,
     <button class="row-action row-action--danger">Loeschen</button>
   - Kendo-Grid-Custom-Commands:
     cmd.Custom("…").HtmlAttributes(new { @class = "row-action" })

   Spezifitaeten-Hinweis: Kendo-Default-Solid-Stile haben Spezifitaet
   (0,2,0+) und schlagen sonst durch — deshalb der zusaetzliche
   `.k-grid .row-action`-Block weiter unten mit (0,2,0).
*/
.row-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem 0.65rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-primary);
    background: transparent;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.row-action:hover,
.row-action.k-hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
    text-decoration: none;
}

.row-action:focus-visible,
.row-action.k-focus {
    outline: 0;
    box-shadow: var(--shadow-focus);
}

.row-action:active {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: var(--color-text-inverse);
}

.row-action--danger {
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.row-action--danger:hover,
.row-action--danger.k-hover {
    background: var(--color-danger);
    color: var(--color-text-inverse);
    border-color: var(--color-danger);
}

.row-action--danger:focus-visible,
.row-action--danger.k-focus {
    box-shadow: 0 0 0 3px rgba(255, 74, 56, 0.25);
}

.row-action--danger:active {
    background: #d83920;
    border-color: #d83920;
    color: var(--color-text-inverse);
}

.row-action + .row-action {
    margin-left: 0.25rem;
}

/* Kendo-Grid-Override: Kendos Default-Solid-Stile (.k-button-solid-base etc.)
   haben Spezifitaet >= (0,2,0) und schlagen sonst durch. Hier nur die
   Properties wiederholen, die Kendo direkt setzt — Layout/Padding/Border
   erbt der Anchor aus dem Base-Block oben. */
.k-grid .row-action {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.k-grid .row-action:hover,
.k-grid .row-action.k-hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.k-grid .row-action:focus-visible,
.k-grid .row-action.k-focus {
    box-shadow: var(--shadow-focus);
}