/* =========================================================
   Stempelplatz – Mobile First Stylesheet
   ========================================================= */

:root {
    --bg: #f1f5f9;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e2e8f0;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-contrast: #ffffff;
    --success-bg: #dcfce7; --success-fg: #166534;
    --error-bg: #fee2e2;   --error-fg: #991b1b;
    --warning-bg: #fef3c7; --warning-fg: #92400e;
    --info-bg: #dbeafe;    --info-fg: #1e40af;
    --danger: #dc2626;
    --radius: 14px;
    --radius-sm: 9px;
    --shadow: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);
    --shadow-lg: 0 10px 30px rgba(15,23,42,.12);
    --header-h: 56px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1120;
        --surface: #131c31;
        --surface-2: #1a2438;
        --text: #e2e8f0;
        --muted: #94a3b8;
        --border: #273349;
        --primary: #3b82f6;
        --primary-dark: #2563eb;
        --success-bg: #14351f; --success-fg: #86efac;
        --error-bg: #3b1518;   --error-fg: #fca5a5;
        --warning-bg: #3a2c0d; --warning-fg: #fcd34d;
        --info-bg: #16273f;    --info-fg: #93c5fd;
        --shadow: 0 1px 3px rgba(0,0,0,.4);
        --shadow-lg: 0 10px 30px rgba(0,0,0,.5);
    }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1 { font-size: 1.4rem; margin: 0 0 .2rem; }
h2 { font-size: 1.1rem; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); font-size: .9rem; margin: 0; }

/* ---------- Header / Navigation ---------- */
.app-header {
    background: #1e293b;
    color: #fff;
    position: sticky; top: 0; z-index: 50;
    box-shadow: var(--shadow);
}
.app-header__inner {
    display: flex; align-items: center; justify-content: space-between;
    height: var(--header-h); padding: 0 1rem; max-width: 1100px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: .5rem; color: #fff; font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand__mark { font-size: 1.3rem; }
.brand__name { font-size: 1.05rem; letter-spacing: .2px; }

.nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 42px; height: 42px; background: transparent; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span { display: block; height: 2px; background: #fff; border-radius: 2px; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav {
    display: none; flex-direction: column; background: #172033;
    border-top: 1px solid rgba(255,255,255,.08);
}
.main-nav.open { display: flex; }
.main-nav a, .main-nav .linklike {
    color: #cbd5e1; padding: .95rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.06);
    font-size: 1rem; text-align: left;
}
.main-nav a:hover, .main-nav .linklike:hover { background: rgba(255,255,255,.06); color: #fff; text-decoration: none; }
.nav-logout { margin: 0; }
.nav-logout .linklike { width: 100%; }

.linklike {
    background: none; border: 0; color: var(--primary); cursor: pointer;
    font: inherit; padding: 0;
}
.linklike:hover { text-decoration: underline; }
.linklike--danger { color: var(--danger); }

/* ---------- Layout ---------- */
.app-main { max-width: 1100px; margin: 0 auto; padding: 1rem 1rem 3rem; }
.app-footer {
    max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem 2.5rem;
    color: var(--muted); font-size: .85rem; text-align: center;
}
.app-footer__copy { margin-top: .35rem; opacity: .8; }

.page-head { margin: .5rem 0 1.25rem; display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between; }

/* ---------- Flash ---------- */
.flash-stack { margin-bottom: 1rem; display: grid; gap: .5rem; }
.flash { padding: .8rem 1rem; border-radius: var(--radius-sm); font-size: .92rem; }
.flash--success { background: var(--success-bg); color: var(--success-fg); }
.flash--error   { background: var(--error-bg);   color: var(--error-fg); }
.flash--warning { background: var(--warning-bg); color: var(--warning-fg); }
.flash--info    { background: var(--info-bg);    color: var(--info-fg); }

/* ---------- Cards ---------- */
.card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.1rem; margin-bottom: 1rem; box-shadow: var(--shadow);
}
.card__title { margin: 0 0 .8rem; font-size: 1.05rem; }

/* ---------- Stat cards ---------- */
.stat-grid { display: grid; grid-template-columns: 1fr; gap: .75rem; margin-bottom: 1rem; }
.stat-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow);
}
.stat-card__label { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }
.stat-card__value { font-size: 1.7rem; font-weight: 700; margin-top: .15rem; }
.stat-card__hint { color: var(--muted); font-size: .8rem; margin-top: .2rem; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    padding: .7rem 1.1rem; border-radius: var(--radius-sm); border: 1px solid var(--border);
    background: var(--surface); color: var(--text); font-size: .95rem; font-weight: 600;
    cursor: pointer; text-decoration: none; min-height: 44px; transition: background .15s, transform .05s;
}
.btn:hover { text-decoration: none; background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--primary); border-color: var(--primary); color: var(--primary-contrast); }
.btn--primary:hover { background: var(--primary-dark); }
.btn--block { display: flex; width: 100%; }
.btn--icon { min-width: 44px; padding: .5rem .8rem; font-size: 1.4rem; line-height: 1; }
.actions-row { display: grid; gap: .6rem; margin-bottom: 1.25rem; }

/* ---------- Day list ---------- */
.day-list { list-style: none; margin: 0; padding: 0; }
.day-list li a {
    display: flex; justify-content: space-between; align-items: center;
    padding: .8rem .25rem; border-bottom: 1px solid var(--border); color: var(--text);
}
.day-list li a:hover { text-decoration: none; background: var(--surface-2); }
.day-list__val { font-weight: 700; }

.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .72rem; font-weight: 700; }
.badge--warn { background: var(--warning-bg); color: var(--warning-fg); }
.badge--ok { background: var(--success-bg); color: var(--success-fg); }
.badge--muted { background: var(--border); color: var(--muted); }
.badge--role { background: var(--info-bg); color: var(--info-fg); }

/* ---------- Calendar ---------- */
.cal-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: .5rem; gap: .5rem; }
.cal-nav__title { font-weight: 700; font-size: 1.1rem; }
.cal-total { text-align: center; color: var(--muted); margin-bottom: .75rem; }

/* ---------- Überstunden / Saldo ---------- */
.over-pos { color: #16a34a; }
.over-neg { color: #dc2626; }
@media (prefers-color-scheme: dark) {
    .over-pos { color: #4ade80; }
    .over-neg { color: #f87171; }
}
.overtime-banner {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--muted);
    border-radius: var(--radius); padding: .85rem 1.1rem; margin-bottom: 1rem; box-shadow: var(--shadow);
}
.overtime-banner.over-pos { border-left-color: #16a34a; }
.overtime-banner.over-neg { border-left-color: #dc2626; }
.overtime-banner__label { color: var(--muted); font-weight: 600; font-size: .9rem; }
.overtime-banner__value { font-size: 1.3rem; font-weight: 700; }
.overtime-banner.over-pos .overtime-banner__value { color: #16a34a; }
.overtime-banner.over-neg .overtime-banner__value { color: #dc2626; }
@media (prefers-color-scheme: dark) {
    .overtime-banner.over-pos .overtime-banner__value { color: #4ade80; }
    .overtime-banner.over-neg .overtime-banner__value { color: #f87171; }
}
.month-summary {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin-bottom: .9rem;
}
.month-summary__item {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .5rem;
}
.month-summary__item span { color: var(--muted); font-size: .78rem; }
.month-summary__item strong { font-size: 1.05rem; }
.calendar { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .5rem; margin-bottom: 1rem; box-shadow: var(--shadow); }
.calendar__weekdays { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 4px; }
.calendar__weekdays span { text-align: center; font-size: .72rem; color: var(--muted); font-weight: 600; padding: .2rem 0; }
.calendar__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-day {
    position: relative; display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
    aspect-ratio: 1 / 1; padding: .25rem; border-radius: var(--radius-sm);
    background: var(--surface-2); color: var(--text); font-size: .8rem; border: 1px solid transparent;
}
.cal-day:hover { text-decoration: none; border-color: var(--primary); }
.cal-day--empty { background: transparent; pointer-events: none; }
.cal-day--weekend { background: transparent; color: var(--muted); }
.cal-day--today { border-color: var(--primary); }
.cal-day--has { background: var(--info-bg); }
.cal-day__num { font-weight: 600; font-size: .8rem; }
.cal-day__val { font-size: .72rem; font-weight: 700; margin-top: auto; }
.cal-day__warn { position: absolute; top: 2px; right: 4px; font-size: .7rem; }

/* ---------- Forms ---------- */
.entry-form { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.form-field { display: flex; flex-direction: column; gap: .35rem; }
.form-field label, .user-switch label { font-weight: 600; font-size: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=time],
input[type=date], input[type=number], select {
    width: 100%; padding: .7rem .8rem; font-size: 1rem; color: var(--text);
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
    min-height: 44px;
}
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }
.field-hint { color: var(--muted); font-size: .8rem; margin: 0; }
.form-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.form-field--check { justify-content: flex-end; }
.checkbox { flex-direction: row !important; display: flex; align-items: center; gap: .5rem; font-weight: 600; }
.checkbox input { width: auto; min-height: 0; }
.inline { display: inline; margin: 0; }

.user-switch { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1rem; }

/* ---------- Tables ---------- */
.entry-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.entry-table thead { display: none; }
.entry-table tr { display: block; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .5rem .75rem; margin-bottom: .6rem; background: var(--surface-2); }
.entry-table td { display: flex; justify-content: space-between; gap: 1rem; padding: .28rem 0; border: 0; }
.entry-table td::before { content: attr(data-label); color: var(--muted); font-weight: 600; }
.entry-table__actions { display: flex; gap: 1rem; flex-wrap: wrap; padding-top: .5rem; margin-top: .3rem; border-top: 1px solid var(--border); }
.entry-table__actions::before { content: none; }

.detail-list { margin: 0; display: grid; gap: .1rem; }
.detail-list > div { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px solid var(--border); }
.detail-list dt { color: var(--muted); margin: 0; }
.detail-list dd { margin: 0; font-weight: 600; text-align: right; }

.daynav { display: flex; align-items: center; gap: .75rem; width: 100%; justify-content: space-between; }
.daynav h1 { font-size: 1.15rem; }

.quick-range { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ---------- Login ---------- */
.login-body { background: linear-gradient(160deg, #1e293b, #0f172a); min-height: 100vh; }
.login-wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 1.25rem; }
.login-card { background: var(--surface); border-radius: var(--radius); padding: 1.75rem 1.5rem; width: 100%; max-width: 380px; box-shadow: var(--shadow-lg); }
.login-brand { text-align: center; margin-bottom: 1.25rem; }
.login-brand .brand__mark { font-size: 2.2rem; }
.login-brand h1 { margin: .3rem 0 0; }
.login-card label { display: block; font-weight: 600; font-size: .9rem; margin: .9rem 0 .35rem; }
.login-card .btn { margin-top: 1.25rem; }
.login-foot { margin-top: 1.25rem; color: #94a3b8; }

/* ---------- Desktop / Tablet ---------- */
@media (min-width: 720px) {
    .nav-toggle { display: none; }
    .main-nav {
        display: flex !important; flex-direction: row; align-items: center; background: transparent; border: 0;
        position: absolute; right: 1rem; top: 0; height: var(--header-h);
    }
    .app-header__inner { position: relative; }
    .main-nav a, .main-nav .linklike { border: 0; padding: .5rem .75rem; font-size: .95rem; border-radius: var(--radius-sm); }
    .nav-logout { display: flex; align-items: center; }
    .stat-grid { grid-template-columns: repeat(3, 1fr); }
    .stat-grid--compact { grid-template-columns: repeat(3, 1fr); }
    .form-row { grid-template-columns: 1fr 1fr; }
    .actions-row { grid-auto-flow: column; justify-content: start; }

    .entry-table thead { display: table-header-group; }
    .entry-table { display: table; }
    .entry-table tr { display: table-row; border: 0; padding: 0; margin: 0; background: transparent; }
    .entry-table td { display: table-cell; padding: .6rem .5rem; border-bottom: 1px solid var(--border); justify-content: flex-start; }
    .entry-table td::before { content: none; }
    .entry-table th { text-align: left; padding: .5rem; border-bottom: 2px solid var(--border); color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }
    .entry-table__actions { border: 0; border-bottom: 1px solid var(--border); }
    .cal-day { font-size: .9rem; }
    .cal-day__val { font-size: .8rem; }
}

@media (min-width: 960px) {
    .calendar { padding: .75rem; }
    .cal-day { padding: .4rem; }
}