/* =========================================================
   LKS AUTOMATION
   Zentrales Designsystem
   ========================================================= */

:root {
    --lks-black: #111111;
    --lks-dark: #1b1d1f;
    --lks-text: #202124;
    --lks-muted: #6b7280;

    --lks-bg: #f4f5f6;
    --lks-card: #ffffff;
    --lks-border: #e2e4e7;
    --lks-border-dark: #cfd3d8;

    --lks-success: #18864b;
    --lks-success-bg: #eaf7f0;

    --lks-warning: #b77900;
    --lks-warning-bg: #fff6df;

    --lks-danger: #c62828;
    --lks-danger-bg: #fdecec;

    --lks-info: #2563eb;
    --lks-info-bg: #edf4ff;

    --lks-radius: 8px;
    --lks-radius-large: 12px;

    --lks-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 5px 18px rgba(0, 0, 0, 0.04);

    --lks-font:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;

    --lks-font-size: 15px;
    --lks-line-height: 1.5;
}


/* =========================================================
   BASIS
   ========================================================= */

* {
    box-sizing: border-box;
}

html {
    font-size: var(--lks-font-size);
}

body {
    margin: 0;
    font-family: var(--lks-font);
    font-size: 1rem;
    line-height: var(--lks-line-height);
    color: var(--lks-text);
    background: var(--lks-bg);
    -webkit-font-smoothing: antialiased;
}

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

button,
input,
select,
textarea {
    font: inherit;
}


/* =========================================================
   TYPOGRAFIE
   ========================================================= */

h1,
h2,
h3,
h4 {
    color: var(--lks-black);
    margin-top: 0;
}

h1 {
    font-size: 28px;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 8px;
}

h2 {
    font-size: 20px;
    line-height: 1.3;
    font-weight: 650;
    margin-bottom: 16px;
}

h3 {
    font-size: 16px;
    line-height: 1.4;
    font-weight: 650;
    margin-bottom: 8px;
}

p {
    margin-top: 0;
}

.text-muted {
    color: var(--lks-muted);
}


/* =========================================================
   HEADER
   ========================================================= */

.lks-header {
    height: 68px;
    background: #ffffff;
    border-bottom: 1px solid var(--lks-border);

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 0 28px;

    position: sticky;
    top: 0;
    z-index: 100;
}

.lks-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.lks-brand-mark {
    background: var(--lks-black);
    color: #ffffff;

    height: 38px;
    min-width: 64px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0 12px;

    font-size: 17px;
    font-weight: 800;
    letter-spacing: 1px;
}

.lks-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.lks-brand-title {
    font-size: 15px;
    font-weight: 700;
}

.lks-brand-subtitle {
    font-size: 11px;
    color: var(--lks-muted);
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.lks-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lks-user-info {
    text-align: right;
}

.lks-user-name {
    font-weight: 600;
    font-size: 14px;
}

.lks-user-role {
    color: var(--lks-muted);
    font-size: 12px;
}


/* =========================================================
   APP LAYOUT
   ========================================================= */

.lks-app {
    display: flex;
    min-height: calc(100vh - 68px);
}

.lks-sidebar {
    width: 230px;
    background: var(--lks-dark);
    padding: 22px 14px;
    flex-shrink: 0;
}

.lks-nav-title {
    color: #7f858c;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;

    padding: 8px 12px;
    margin-top: 8px;
}

.lks-nav-link {
    display: flex;
    align-items: center;
    gap: 11px;

    color: #d9dcdf;

    min-height: 43px;
    padding: 10px 12px;
    margin: 2px 0;

    border-radius: 6px;

    font-size: 14px;
    font-weight: 500;
}

.lks-nav-link:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #ffffff;
}

.lks-nav-link.active {
    background: #ffffff;
    color: var(--lks-black);
    font-weight: 650;
}

.lks-content {
    flex: 1;
    min-width: 0;
    padding: 32px;
}

.lks-content-inner {
    max-width: 1500px;
    margin: 0 auto;
}


/* =========================================================
   PAGE HEADER
   ========================================================= */

.lks-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
}

.lks-page-description {
    color: var(--lks-muted);
    margin: 0;
}


/* =========================================================
   CARDS
   ========================================================= */

.lks-card {
    background: var(--lks-card);
    border: 1px solid var(--lks-border);
    border-radius: var(--lks-radius-large);
    box-shadow: var(--lks-shadow);
    padding: 22px;
}

.lks-grid {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.lks-stat-label {
    color: var(--lks-muted);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
}

.lks-stat-value {
    color: var(--lks-black);
    font-size: 30px;
    font-weight: 700;
    line-height: 1.1;
}

.lks-stat-footer {
    color: var(--lks-muted);
    font-size: 12px;
    margin-top: 10px;
}


/* =========================================================
   FORMULARE
   ========================================================= */

.lks-field {
    margin-bottom: 18px;
}

.lks-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 7px;
}

.lks-input,
.lks-select,
.lks-textarea {
    width: 100%;

    background: #ffffff;
    color: var(--lks-text);

    border: 1px solid var(--lks-border-dark);
    border-radius: var(--lks-radius);

    padding: 11px 12px;

    font-size: 15px;

    transition:
        border-color 0.15s,
        box-shadow 0.15s;
}

.lks-input:focus,
.lks-select:focus,
.lks-textarea:focus {
    outline: none;
    border-color: #666666;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}


/* =========================================================
   BUTTONS
   ========================================================= */

.lks-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    min-height: 40px;

    border: 1px solid transparent;
    border-radius: var(--lks-radius);

    padding: 9px 16px;

    font-size: 14px;
    font-weight: 600;

    cursor: pointer;

    transition:
        background 0.15s,
        border-color 0.15s;
}

.lks-button-primary {
    background: var(--lks-black);
    color: #ffffff;
}

.lks-button-primary:hover {
    background: #303030;
}

.lks-button-secondary {
    background: #ffffff;
    color: var(--lks-text);
    border-color: var(--lks-border-dark);
}

.lks-button-secondary:hover {
    background: #f6f6f6;
}

.lks-button-danger {
    background: var(--lks-danger);
    color: #ffffff;
}


/* =========================================================
   STATUS
   ========================================================= */

.lks-badge {
    display: inline-flex;
    align-items: center;

    border-radius: 999px;
    padding: 4px 9px;

    font-size: 12px;
    font-weight: 650;
}

.lks-badge-success {
    color: var(--lks-success);
    background: var(--lks-success-bg);
}

.lks-badge-warning {
    color: var(--lks-warning);
    background: var(--lks-warning-bg);
}

.lks-badge-danger {
    color: var(--lks-danger);
    background: var(--lks-danger-bg);
}

.lks-badge-info {
    color: var(--lks-info);
    background: var(--lks-info-bg);
}


/* =========================================================
   MELDUNGEN
   ========================================================= */

.lks-alert {
    padding: 12px 14px;
    border-radius: var(--lks-radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.lks-alert-danger {
    color: #991b1b;
    background: var(--lks-danger-bg);
    border: 1px solid #f5c2c2;
}

.lks-alert-success {
    color: #166534;
    background: var(--lks-success-bg);
    border: 1px solid #b9e3ca;
}


/* =========================================================
   TABELLEN
   ========================================================= */

.lks-table-wrapper {
    overflow-x: auto;
}

.lks-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.lks-table th {
    text-align: left;
    color: var(--lks-muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;

    padding: 11px 12px;

    border-bottom: 1px solid var(--lks-border);
}

.lks-table td {
    padding: 13px 12px;
    border-bottom: 1px solid var(--lks-border);
}

.lks-table tbody tr:hover {
    background: #fafafa;
}


/* =========================================================
   LOGIN
   ========================================================= */

.lks-login-page {
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 30px;

    background:
        linear-gradient(
            135deg,
            #f7f7f7 0%,
            #eceeef 100%
        );
}

.lks-login-card {
    width: 100%;
    max-width: 420px;

    background: #ffffff;

    border: 1px solid var(--lks-border);
    border-radius: 12px;

    box-shadow:
        0 18px 55px rgba(0, 0, 0, 0.08);

    padding: 38px;
}

.lks-login-brand {
    margin-bottom: 30px;
}

.lks-login-brand .lks-brand-mark {
    display: inline-flex;
    margin-bottom: 18px;
}

.lks-login-title {
    font-size: 25px;
    font-weight: 700;
    margin-bottom: 5px;
}

.lks-login-subtitle {
    color: var(--lks-muted);
    font-size: 14px;
}

.lks-login-button {
    width: 100%;
    margin-top: 6px;
}

.lks-login-footer {
    text-align: center;
    color: #9aa0a6;
    font-size: 11px;
    margin-top: 28px;
}


/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1050px) {

    .lks-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {

    .lks-sidebar {
        display: none;
    }

    .lks-content {
        padding: 20px;
    }

    .lks-header {
        padding: 0 18px;
    }

    .lks-user-info {
        display: none;
    }

    .lks-grid {
        grid-template-columns: 1fr;
    }

    .lks-login-card {
        padding: 28px 22px;
    }
}