@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ── Design tokens — match pv-stromfischer.at homepage exactly ── */
:root {
    --bg-primary:    #ffffff;
    --bg-secondary:  #f5f5f5;
    --bg-tertiary:   #e8e8e8;
    --text-primary:  #1a1a1a;
    --text-secondary:#666666;
    --accent:        #FF6B35;
    --accent-dark:   #E85A2B;
    --border:        #d0d0d0;
    --shadow:        rgba(0,0,0,0.08);
    /* semantic energy colors */
    --color-gen:     #22a84a;
    --color-cons:    #0071e3;
    --color-eeg:     #1a7a3a;
    --color-feed:    #e08a00;
}

[data-theme="dark"] {
    --bg-primary:    #0a0a0a;
    --bg-secondary:  #141414;
    --bg-tertiary:   #242424;
    --text-primary:  #f0f0f0;
    --text-secondary:#888888;
    --border:        #333333;
    --shadow:        rgba(255,255,255,0.04);
    --color-gen:     #4caf50;
    --color-cons:    #42a5f5;
    --color-eeg:     #2e7d32;
    --color-feed:    #ffc107;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.portal-header {
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.portal-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: .8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.portal-logo {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-shrink: 0;
}
.portal-logo img { height: 34px; }
.portal-logo-meta {
    display: flex;
    flex-direction: column;
    gap: .1rem;
}
.portal-logo-eyebrow {
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
}
.portal-member-name {
    font-size: .95rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: .3px;
}
.portal-header-actions {
    display: flex;
    align-items: center;
    gap: .75rem;
}
.portal-logout {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: .4rem .8rem;
    border: 2px solid var(--border);
    transition: all .15s;
}
.portal-logout:hover { border-color: var(--accent); color: var(--accent); }

/* ── Theme toggle ── */
.theme-toggle {
    width: 46px;
    height: 24px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
}
.theme-toggle::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--accent);
    left: 2px;
    top: 2px;
    transition: transform .2s;
}
[data-theme="dark"] .theme-toggle::before { transform: translateX(22px); }

/* ── Layout ── */
.portal-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
}

/* ── Tabs ── */
.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
    padding: .7rem 1.3rem;
    font-size: .78rem;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: color .15s;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.beta {
    display: inline-block;
    font-size: .55rem;
    font-weight: 700;
    background: var(--accent);
    color: #fff;
    padding: 1px 5px;
    margin-left: 4px;
    vertical-align: middle;
    letter-spacing: .5px;
}

/* ── Cards ── */
.card {
    background: var(--bg-primary);
    border: 2px solid var(--border);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

/* ── Labels / Typography ── */
.label {
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: .35rem;
}
.big {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -.5px;
}
.big-unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-left: .15rem;
}

/* ── Grid helper ── */
.row2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.row3 { grid-template-columns: 1fr 1fr 1fr; }

/* ── KPI / Autarky bar ── */
.kpi-bar {
    margin-top: .75rem;
    padding: .75rem 1rem;
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.kpi-bar-label {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.kpi-bar-value {
    font-size: 1.6rem;
    font-weight: 800;
    flex-shrink: 0;
}
.kpi-bar-track {
    flex: 1;
    background: var(--bg-tertiary);
    height: 5px;
}
.kpi-bar-fill {
    height: 5px;
    background: var(--accent);
    transition: width .6s ease;
}

/* ── Buttons ── */
.btn {
    display: inline-block;
    padding: .5rem 1rem;
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    text-decoration: none;
    border: 2px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    font-family: inherit;
    transition: border-color .15s, color .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Select ── */
select.portal-select {
    font-size: .85rem;
    padding: .5rem 2rem .5rem .75rem;
    border: 2px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 600;
    font-family: inherit;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='2' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .75rem center;
}
select.portal-select:focus { outline: 2px solid var(--accent); }

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th {
    text-align: left;
    color: var(--text-secondary);
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: .5rem 0;
    border-bottom: 2px solid var(--border);
}
td { padding: .6rem 0; border-bottom: 1px solid var(--bg-tertiary); }
tr:last-child td { border-bottom: none; }
tr[onclick] { cursor: pointer; }
tr[onclick]:hover td { background: var(--bg-secondary); }

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: .2rem .55rem;
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.badge-open    { background: #fff3cd; color: #856404; }
.badge-overdue { background: #f8d7da; color: #842029; }
.badge-paid    { background: #d1e7dd; color: #0f5132; }

/* ── Overflow helpers ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── Energy semantic colors ── */
.gen  { color: var(--color-gen); }
.con  { color: var(--color-cons); }
.eeg  { color: var(--color-eeg); }
.feed { color: var(--color-feed); }

/* ── Live tab ── */
.live-val {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}
.live-label {
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: .35rem;
}
.live-unit {
    font-size: .9rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-left: .2rem;
}
.refresh-info {
    font-size: .72rem;
    color: var(--text-secondary);
    text-align: right;
    margin-top: .5rem;
}

/* ── Footer ── */
.portal-footer {
    text-align: center;
    font-size: .72rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    padding-bottom: 2rem;
    border-top: 1px solid var(--border);
    padding-top: .75rem;
}
.portal-footer a { color: var(--text-secondary); }

/* ── Auth pages (login, forgot, reset, set/change password) ── */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: var(--bg-secondary);
}
.auth-logo {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: 1.75rem;
    text-decoration: none;
}
.auth-logo img { height: 38px; }
.auth-logo-text {
    display: flex;
    flex-direction: column;
    gap: .1rem;
}
.auth-logo-eyebrow {
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
}
.auth-logo-name {
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .3px;
    color: var(--text-primary);
}
.auth-card {
    background: var(--bg-primary);
    border: 2px solid var(--border);
    padding: 2rem;
    width: 100%;
    max-width: 380px;
}
.auth-title {
    font-size: 1.3rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -.3px;
    margin: 0 0 1.5rem;
    color: var(--text-primary);
}
.auth-label {
    display: block;
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: .3rem;
}
.auth-input {
    width: 100%;
    box-sizing: border-box;
    padding: .7rem 1rem;
    border: 2px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: .95rem;
    font-family: inherit;
    margin-bottom: .9rem;
    outline: none;
    transition: border-color .15s;
}
.auth-input:focus { border-color: var(--accent); }
.auth-btn {
    width: 100%;
    padding: .8rem;
    background: var(--accent);
    color: #fff;
    border: 2px solid var(--accent);
    font-size: .82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    cursor: pointer;
    font-family: inherit;
    transition: background .15s, border-color .15s;
    margin-top: .25rem;
}
.auth-btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.auth-error {
    border-left: 4px solid #c00;
    background: #fff0f0;
    color: #c00;
    padding: .65rem 1rem;
    margin-bottom: 1rem;
    font-size: .88rem;
}
[data-theme="dark"] .auth-error { background: rgba(200,0,0,.12); }
.auth-success {
    border-left: 4px solid var(--color-gen);
    background: var(--bg-secondary);
    color: var(--color-gen);
    padding: .65rem 1rem;
    margin-bottom: 1rem;
    font-size: .88rem;
}
.auth-info {
    border-left: 4px solid var(--accent);
    background: var(--bg-secondary);
    padding: .65rem 1rem;
    margin-bottom: 1rem;
    font-size: .88rem;
    color: var(--text-primary);
}
.auth-hint {
    font-size: .75rem;
    color: var(--text-secondary);
    margin: -.5rem 0 .9rem;
    line-height: 1.5;
}
.auth-link {
    display: block;
    text-align: center;
    margin-top: 1rem;
    font-size: .8rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
}
.auth-link:hover { color: var(--accent); }

/* ── Responsive ── */
@media (max-width: 900px) {
    .row3 { grid-template-columns: 1fr 1fr !important; }
}

@media (max-width: 600px) {
    .portal-header-inner { padding: .6rem .75rem; gap: .5rem; }
    .portal-logo img { height: 28px; }
    .portal-logo-eyebrow { display: none; }
    .portal-member-name { font-size: .82rem; }
    .portal-logout { padding: .35rem .6rem; font-size: .7rem; }
    .portal-container { padding: .75rem .75rem; }
    .card { padding: .9rem .85rem; }
    .row2 { grid-template-columns: 1fr !important; }
    .row3 { grid-template-columns: 1fr !important; }
    .big { font-size: 1.7rem; }
    .kpi-bar { flex-wrap: wrap; gap: .4rem; }
    .kpi-bar-track { width: 100%; flex-basis: 100%; order: 3; }
    .tab { padding: .6rem .9rem; font-size: .72rem; }
}

/* Chart card toolbar */
.chart-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .75rem;
}