:root {
    --red:       #CC0000;
    --gold:      #FFD700;
    --teal:      #00BCD4;
    --teal-dark: #0097A7;

    --bg:        #111111;
    --surface:   #1C1C1C;
    --surface-2: #262626;
    --border:    #333333;
    --border-2:  #444444;

    --text:      #E0E0E0;
    --text-sub:  #9E9E9E;
    --text-dim:  #666666;

    --amount-pos: #66BB6A;
    --amount-neg: #EF5350;

    --shadow: 0 2px 12px rgba(0,0,0,0.5);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* ── Top-Nav ── */
nav {
    background: var(--surface);
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

nav .brand-stripe {
    display: flex;
    gap: 3px;
}

nav .brand-stripe span {
    width: 8px;
    height: 20px;
    border-radius: 2px;
}

nav .links {
    display: flex;
    gap: 4px;
    margin-left: auto;
    align-items: center;
}

nav .links a {
    color: var(--text-sub);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    transition: background 0.15s, color 0.15s;
}

nav .links a:hover, nav .links a.active {
    background: var(--surface-2);
    color: var(--text);
}

nav .links .btn-logout {
    background: transparent;
    border: 1px solid var(--border-2);
    color: var(--text-sub);
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.15s, color 0.15s;
}

nav .links .btn-logout:hover {
    background: var(--surface-2);
    color: var(--text);
}

/* User-Nav Extras */
.nav-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    font-size: 0.875rem;
}

.nav-user-name {
    font-weight: 600;
    color: var(--text);
}

.nav-user-type {
    color: var(--text-sub);
    font-size: 0.8rem;
}

.nav-balance {
    color: var(--teal);
    font-weight: 700;
    font-size: 1rem;
    min-width: 80px;
    text-align: right;
}

.nav-balance.neg { color: var(--amount-neg); }

/* ── Hauptbereich ── */
main {
    max-width: 1100px;
    margin: 32px auto;
    padding: 0 16px;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text);
}

h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

/* ── Karten ── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.15s, box-shadow 0.15s;
    text-decoration: none;
}

.btn-primary {
    background: var(--teal);
    color: #fff;
}

.btn-primary:hover { background: var(--teal-dark); }

.btn-secondary {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--border); }

.btn-danger {
    background: var(--red);
    color: #fff;
}

.btn-danger:hover { background: #AA0000; }

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Formular ── */
.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--text-sub);
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border-2);
    border-radius: 6px;
    font-size: 0.95rem;
    background: var(--surface-2);
    color: var(--text);
    transition: border-color 0.15s;
    outline: none;
}

input::placeholder { color: var(--text-dim); }

input:focus, select:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0,188,212,0.18);
}

select option {
    background: var(--surface-2);
    color: var(--text);
}

/* ── Tabelle ── */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead th {
    background: var(--surface-2);
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
    border-bottom: 2px solid var(--border);
    color: var(--text-sub);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

tbody tr:hover { background: var(--surface-2); }

td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.amount-pos { color: var(--amount-pos); font-weight: 600; }
.amount-neg { color: var(--amount-neg); font-weight: 600; }

/* ── Login-Seite (allgemein) ── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    padding: 16px;
    position: relative;
}

.login-logo {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.login-logo span {
    width: 20px;
    height: 60px;
    border-radius: 4px;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 4px 28px rgba(0,0,0,0.5);
    padding: 32px 36px;
    width: 100%;
    max-width: 380px;
}

.login-card h1 {
    text-align: center;
    font-size: 1.4rem;
    margin-bottom: 4px;
    color: var(--text);
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-sub);
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.login-card .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 11px;
    font-size: 1rem;
}

.error-msg {
    color: var(--amount-neg);
    font-size: 0.85rem;
    margin-top: 10px;
    min-height: 18px;
    text-align: center;
}

/* ── Admin-Toggle-Link ── */
.admin-toggle-link {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 0.8rem;
    color: var(--text-dim);
    text-decoration: none;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: color 0.15s, border-color 0.15s;
    cursor: pointer;
    background: transparent;
}

.admin-toggle-link:hover {
    color: var(--text-sub);
    border-color: var(--border-2);
}

/* ── PIN-Pad ── */
.pin-dots {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin: 20px 0 24px;
}

.pin-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--border-2);
    transition: background 0.12s, border-color 0.12s;
}

.pin-dot.filled {
    background: var(--teal);
    border-color: var(--teal);
}

.pin-pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 0 auto;
    max-width: 260px;
}

.pin-btn {
    height: 58px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface-2);
    color: var(--text);
    font-size: 1.35rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.1s, transform 0.08s;
    user-select: none;
}

.pin-btn:hover  { background: var(--border); }
.pin-btn:active { background: var(--teal-dark); color: #fff; transform: scale(0.95); }

.pin-btn.pin-backspace {
    font-size: 1.1rem;
    color: var(--text-sub);
}

.pin-btn.pin-empty {
    cursor: default;
    background: transparent;
    border-color: transparent;
    pointer-events: none;
}

/* ── Getränke-Grid (User-Buchungsseite) ── */
.drink-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 16px;
}

.drink-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color 0.15s;
}

.drink-card:hover { border-color: var(--border-2); }

.drink-card .drink-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
}

.drink-card .drink-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--teal);
    line-height: 1.1;
}

.drink-card .drink-stock {
    font-size: 0.82rem;
    color: var(--text-sub);
    margin-bottom: 8px;
}

.drink-card .drink-stock.low { color: var(--amount-neg); }

.btn-book {
    margin-top: auto;
    width: 100%;
    justify-content: center;
    padding: 10px;
    background: var(--teal);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.15s;
}

.btn-book:hover    { background: var(--teal-dark); }
.btn-book:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── Filter-Leiste ── */
.filter-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: 16px;
}

.filter-bar .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 140px;
}

/* ── Inventur ── */
.inv-input {
    width: 80px;
    padding: 5px 8px;
    text-align: right;
}

.inv-diff-pos { color: var(--amount-pos); font-weight: 600; }
.inv-diff-neg { color: var(--amount-neg); font-weight: 600; }

/* ── Spinner ── */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--teal);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-row td {
    text-align: center;
    color: var(--text-sub);
    padding: 32px;
}

/* ── Toast ── */
#toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border-2);
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 0.9rem;
    box-shadow: var(--shadow);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    z-index: 999;
    pointer-events: none;
    white-space: nowrap;
}

#toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ── Toolbar-Aktionen ── */
.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

/* ── Hamburger-Button (nur auf Mobile sichtbar) ── */
.nav-hamburger {
    display: none;
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--border-2);
    border-radius: 6px;
    color: var(--text-sub);
    cursor: pointer;
    font-size: 1.15rem;
    padding: 5px 11px;
    line-height: 1;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
}
.nav-hamburger:hover { background: var(--surface-2); color: var(--text); }

/* ── Drawer-Backdrop ── */
.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 299;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.nav-backdrop.open { opacity: 1; pointer-events: auto; }

/* ── Mobile: ≤ 640 px ── */
@media (max-width: 640px) {

    /* Nav über Drawer und Backdrop */
    nav { padding: 0 12px; z-index: 310; }
    .nav-hamburger { display: flex; align-items: center; }

    /* Drawer: slides in von rechts */
    nav .links {
        display: flex;
        position: fixed;
        top: 56px;
        right: 0;
        bottom: 0;
        width: 260px;
        max-width: 80vw;
        flex-direction: column;
        background: var(--surface);
        border-left: 1px solid var(--border-2);
        box-shadow: -6px 0 32px rgba(0,0,0,0.6);
        z-index: 300;
        overflow-y: auto;
        transform: translateX(105%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 10px 10px 0;
        gap: 3px;
    }

    nav .links.open { transform: translateX(0); }

    nav .links a {
        padding: 12px 16px;
        border-radius: 9px;
        font-size: 0.93rem;
        font-weight: 500;
        color: var(--text-sub);
        white-space: nowrap;
        display: flex;
        align-items: center;
        border: none;
        transition: background 0.15s, color 0.15s;
    }
    nav .links a:hover  { background: var(--surface-2); color: var(--text); }
    nav .links a.active {
        background: rgba(0,188,212,0.12);
        color: var(--teal);
        font-weight: 600;
    }

    nav .links .btn-logout {
        display: flex;
        margin-top: auto;
        width: 100%;
        padding: 16px;
        border-radius: 0;
        font-size: 0.9rem;
        justify-content: center;
        background: var(--surface-2);
        border: none;
        border-top: 1px solid var(--border);
        color: var(--amount-neg);
        cursor: pointer;
        transition: background 0.15s;
        flex-shrink: 0;
    }
    nav .links .btn-logout:hover { background: rgba(239,83,80,0.1); }

    /* Seiteninhalt */
    main { margin: 14px auto; padding: 0 12px; }
    h1   { font-size: 1.2rem; margin-bottom: 14px; }
    .card { padding: 14px; }

    /* Filter */
    .filter-bar { gap: 8px; }
    .filter-bar .form-group { min-width: 100%; flex: none; }

    /* Tabellen */
    thead th, td { padding: 8px 10px; font-size: 0.82rem; }

    /* Toast */
    #toast { white-space: normal; text-align: center; width: 88%; font-size: 0.85rem; }

    /* Aktionsleiste */
    .actions { gap: 8px; }
    .actions .btn { font-size: 0.82rem; padding: 7px 12px; }
}

/* ── Mobile: ≤ 480 px ── */
@media (max-width: 480px) {
    main { margin: 8px auto; padding: 0 8px; }
    h1   { font-size: 1.05rem; margin-bottom: 10px; }
    .card { padding: 10px 8px; }

    thead th, td { padding: 6px 7px; font-size: 0.78rem; }

    /* Filter komplett stacken */
    .filter-bar { flex-direction: column; gap: 6px; }
    .filter-bar .form-group { min-width: 100%; width: 100%; }
    .filter-bar input, .filter-bar select { width: 100%; }

    /* Buttons */
    .btn { font-size: 0.78rem; padding: 6px 10px; }
    .actions .btn { font-size: 0.78rem; padding: 6px 10px; }

    /* Admin-Nav noch kompakter */
    nav .links a { font-size: 0.75rem; padding: 4px 7px; }
    nav .links .btn-logout { font-size: 0.75rem; padding: 4px 7px; }
}