/* ── Reset & Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:          #0f1117;
    --bg-card:     #1a1d27;
    --bg-card2:    #1e2130;
    --bg-input:    #252836;
    --border:      #2d3148;
    --text:        #e0e0e0;
    --text-muted:  #7a7f9a;
    --primary:     #4CAF50;
    --primary-dim: #2e7d32;
    --red:         #ef5350;
    --red-dim:     #b71c1c;
    --blue:        #42a5f5;
    --yellow:      #ffca28;
    --radius:      8px;
    --shadow:      0 2px 12px rgba(0,0,0,.35);
}

html { font-size: 15px; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
h2 { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: .75rem; }

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .45rem 1rem; border-radius: var(--radius); border: none;
    font-size: .875rem; font-weight: 500; cursor: pointer; transition: .15s;
}
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #43a047; }
.btn-outline  { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-block    { width: 100%; justify-content: center; }
.btn-sm       { padding: .3rem .7rem; font-size: .8rem; }

/* ── Alerts ───────────────────────────────────────────────────────── */
.alert { padding: .7rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: .875rem; }
.alert-error { background: rgba(239,83,80,.15); border: 1px solid var(--red); color: #ff8a80; }

/* ── Login ────────────────────────────────────────────────────────── */
.login-body   { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box    {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 2.5rem 2rem; width: 100%; max-width: 380px;
    box-shadow: var(--shadow);
}
.login-logo   { text-align: center; margin-bottom: 2rem; }
.login-logo h1 { font-size: 1.5rem; margin-top: .5rem; }
.login-logo p  { color: var(--text-muted); font-size: .875rem; }

.form-group   { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: .8rem; color: var(--text-muted); margin-bottom: .35rem; }
.form-group input {
    width: 100%; background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius); padding: .6rem .85rem; color: var(--text);
    font-size: .9rem; transition: border-color .15s;
}
.form-group input:focus { outline: none; border-color: var(--primary); }

/* ── Navbar ───────────────────────────────────────────────────────── */
.navbar {
    background: var(--bg-card); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1.5rem; height: 54px; position: sticky; top: 0; z-index: 100;
}
.navbar-brand {
    display: flex; align-items: center; gap: .55rem;
    font-weight: 700; font-size: 1rem; color: var(--text);
}
.navbar-right  { display: flex; align-items: center; gap: 1rem; }
.navbar-user   { color: var(--text-muted); font-size: .85rem; }

/* ── Time Bar ─────────────────────────────────────────────────────── */
.time-bar {
    background: var(--bg-card); border-bottom: 1px solid var(--border);
    padding: .65rem 1.5rem; display: flex; align-items: center; flex-wrap: wrap; gap: .75rem;
}
.presets       { display: flex; gap: .4rem; flex-wrap: wrap; }
.preset-btn {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text-muted);
    border-radius: 5px; padding: .28rem .7rem; font-size: .8rem; cursor: pointer; transition: .15s;
}
.preset-btn:hover, .preset-btn.active {
    background: var(--primary); border-color: var(--primary); color: #fff;
}
.time-inputs { display: flex; align-items: center; gap: .5rem; }
.date-input {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
    border-radius: var(--radius); padding: .3rem .6rem; font-size: .8rem; width: 160px;
}
.date-input:focus { outline: none; border-color: var(--primary); }
.time-sep      { color: var(--text-muted); }
.time-display  { color: var(--text-muted); font-size: .8rem; margin-left: auto; }

/* ── Container ────────────────────────────────────────────────────── */
.container { max-width: 1400px; margin: 0 auto; padding: 1.5rem; }

/* ── Cards ────────────────────────────────────────────────────────── */
.cards-grid {
    display: grid; gap: 1rem; margin-bottom: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.1rem 1.25rem;
    box-shadow: var(--shadow);
}
.card-green { border-left: 3px solid var(--primary); }
.card-red   { border-left: 3px solid var(--red); }
.card-label { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: .4rem; }
.card-value { font-size: 1.45rem; font-weight: 700; line-height: 1.2; }
.card-sub   { font-size: .75rem; color: var(--text-muted); margin-top: .3rem; }
.value-green { color: var(--primary); }
.value-red   { color: var(--red); }

/* ── Charts ───────────────────────────────────────────────────────── */
.chart-section {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
}
.chart-section.half { flex: 1; min-width: 300px; }
.charts-row { display: flex; gap: 1.25rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.chart-wrapper { position: relative; height: 280px; }
.chart-pie-wrapper { height: 260px; }

/* ── Tables ───────────────────────────────────────────────────────── */
.table-section {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
}
.table-header-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: .75rem; }
.table-header-row h2 { margin: 0; }
.table-controls { display: flex; gap: .5rem; }
.select-input {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
    border-radius: var(--radius); padding: .3rem .6rem; font-size: .8rem; cursor: pointer;
}
.table-wrapper { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.data-table th {
    text-align: left; padding: .6rem .8rem; font-size: .75rem;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em;
    border-bottom: 1px solid var(--border); white-space: nowrap;
}
.data-table td { padding: .55rem .8rem; border-bottom: 1px solid rgba(45,49,72,.5); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,.03); }
.loading { text-align: center; color: var(--text-muted); padding: 1.5rem !important; }
.badge-faucet { color: var(--primary); font-weight: 500; }
.badge-sink   { color: var(--red); font-weight: 500; }
.rank-gold   { color: var(--yellow); font-weight: 700; }
.rank-silver { color: #90a4ae; font-weight: 700; }
.rank-bronze { color: #a1887f; font-weight: 700; }

/* ── Toggle-Gruppe ────────────────────────────────────────────────── */
.toggle-group { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.toggle-btn {
    background: var(--bg-input); border: none; color: var(--text-muted);
    padding: .3rem .85rem; font-size: .8rem; cursor: pointer; transition: .15s;
    border-right: 1px solid var(--border);
}
.toggle-btn:last-child { border-right: none; }
.toggle-btn:hover  { background: var(--bg-card2); color: var(--text); }
.toggle-btn.active { background: var(--primary); color: #fff; }

/* ── Footer ───────────────────────────────────────────────────────── */
.footer { text-align: center; color: var(--text-muted); font-size: .78rem; padding: 1.5rem 0 .5rem; }

/* ── Flatpickr overrides ──────────────────────────────────────────── */
.flatpickr-calendar {
    background: var(--bg-card2) !important;
    border: 1px solid var(--border) !important;
    box-shadow: var(--shadow) !important;
}
.flatpickr-day { color: var(--text) !important; }
.flatpickr-day.selected, .flatpickr-day.selected:hover { background: var(--primary) !important; border-color: var(--primary) !important; }
.flatpickr-day:hover { background: var(--bg-input) !important; }
.flatpickr-months, .flatpickr-weekday { color: var(--text-muted) !important; background: transparent !important; }
.flatpickr-current-month, .flatpickr-monthDropdown-months { color: var(--text) !important; background: transparent !important; }
.flatpickr-time { background: var(--bg-card2) !important; border-top: 1px solid var(--border) !important; }
.flatpickr-time input { color: var(--text) !important; background: transparent !important; }
.numInputWrapper:hover { background: var(--bg-input) !important; }

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .time-bar { flex-direction: column; align-items: flex-start; }
    .time-display { margin-left: 0; }
    .charts-row { flex-direction: column; }
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .cards-grid { grid-template-columns: 1fr; }
    .navbar { padding: 0 1rem; }
    .container { padding: 1rem; }
}