:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --text: #172033;
    --muted: #6b7280;
    --primary: #1f7aec;
    --primary-dark: #155ec0;
    --danger: #d92d20;
    --danger-dark: #b42318;
    --secondary: #111827;
    --border: #e5e7eb;
    --success-bg: #ecfdf3;
    --success: #027a48;
    --error-bg: #fef3f2;
    --error: #b42318;
    --warning-bg: #fffaeb;
    --warning: #b54708;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

a { color: var(--primary); text-decoration: none; font-weight: 700; }
a:hover { text-decoration: underline; }

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card, .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, .08);
}

.login-card {
    width: min(420px, 100%);
    padding: 28px;
}

.brand {
    font-weight: 900;
    letter-spacing: .04em;
    color: var(--primary);
    text-transform: uppercase;
    font-size: .86rem;
}
.brand.small { font-size: .78rem; }

h1, h2 { margin: 8px 0 18px; line-height: 1.15; }
p { line-height: 1.55; }

label {
    display: grid;
    gap: 7px;
    font-weight: 700;
    margin-bottom: 14px;
}

input, select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 15px;
    font: inherit;
    background: #fff;
}
input:focus, select:focus {
    outline: 3px solid rgba(31, 122, 236, .18);
    border-color: var(--primary);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px max(18px, env(safe-area-inset-left)) 14px max(18px, env(safe-area-inset-right));
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.topbar nav { display: flex; gap: 16px; align-items: center; }

.container {
    width: min(900px, 100%);
    margin: 0 auto;
    padding: 20px 16px 42px;
}
.card { padding: 22px; margin-bottom: 18px; }
.status-card { text-align: center; }

.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 800;
    font-size: .82rem;
    background: #eef2ff;
    color: #3730a3;
}
.status-running { background: var(--success-bg); color: var(--success); }
.status-paused { background: var(--warning-bg); color: var(--warning); }
.status-idle { background: #eff6ff; color: var(--primary-dark); }

.timer {
    font-size: clamp(3.1rem, 14vw, 6.8rem);
    line-height: 1;
    font-weight: 950;
    letter-spacing: -0.08em;
    margin: 16px 0 10px;
    font-variant-numeric: tabular-nums;
}
.subtimer {
    color: var(--muted);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0 6px;
    text-align: left;
}
.meta-grid div {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 13px;
}
.meta-grid span { display: block; color: var(--muted); font-size: .82rem; margin-bottom: 4px; }

.button-grid {
    display: grid;
    gap: 12px;
    margin-top: 22px;
}
.button-grid form { margin: 0; }

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    border: 0;
    border-radius: 16px;
    padding: 14px 18px;
    min-height: 50px;
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    color: #fff;
    background: var(--secondary);
    text-decoration: none;
    width: auto;
}
.btn:hover { filter: brightness(.96); text-decoration: none; }
.btn-primary { background: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: var(--danger-dark); }
.btn-secondary { background: var(--secondary); }
.btn.full, .btn.huge { width: 100%; }
.btn.huge { min-height: 74px; font-size: 1.35rem; border-radius: 22px; }
.btn-small { min-height: 36px; padding: 8px 10px; border-radius: 10px; font-size: .86rem; }

.alert {
    padding: 14px 16px;
    border-radius: 16px;
    margin-bottom: 18px;
    font-weight: 800;
}
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-error { background: var(--error-bg); color: var(--error); }
.alert-warning { background: var(--warning-bg); color: var(--warning); }
.alert-info { background: #eff6ff; color: var(--primary-dark); }

.muted { color: var(--muted); }
.warn { color: var(--warning); font-weight: 800; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.form-grid .btn { align-self: end; }
.inline-form { display: inline; margin: 0; }

@media (max-width: 640px) {
    .topbar { align-items: flex-start; }
    .topbar nav { flex-direction: column; align-items: flex-end; gap: 8px; }
    .container { padding: 14px 12px 36px; }
    .card, .login-card { border-radius: 18px; padding: 18px; }
    .meta-grid, .form-grid { grid-template-columns: 1fr; }
    .button-grid { gap: 10px; }
    .btn.huge { min-height: 78px; }
}

/* Update: Admin-Auswertungen, Sollstunden und KW-/Monatsuebersicht */
.container.wide { width: min(1200px, 100%); }
.form-grid.compact { grid-template-columns: 2fr 1fr 1fr auto; align-items: end; }
.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}
.metric { margin-bottom: 0; }
.metric span { display: block; color: var(--muted); font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .03em; }
.metric strong { display: block; margin-top: 7px; font-size: 1.35rem; }
.positive { border-color: #bbf7d0; background: #f0fdf4; }
.negative { border-color: #fecaca; background: #fef2f2; }
.positive-text { color: var(--success); font-weight: 900; }
.negative-text { color: var(--danger); font-weight: 900; }
.linklike { color: var(--primary); font-weight: 900; cursor: pointer; }
.mini-form {
    display: grid;
    gap: 8px;
    min-width: 220px;
    margin-top: 10px;
}
.mini-form label { margin-bottom: 0; font-size: .86rem; }
.mini-form input, .mini-form select { padding: 9px 10px; border-radius: 10px; }
.table-input { min-width: 120px; padding: 8px 10px; border-radius: 10px; }
@media (max-width: 760px) {
    .form-grid.compact, .summary-grid { grid-template-columns: 1fr; }
    .container.wide { padding-left: 10px; padding-right: 10px; }
    .table-input { min-width: 110px; }
}