/* Kontener główny */
.history-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.25rem;
    font-family: 'Sora', sans-serif;
}

/* Nagłówek */
.history-header {
    margin-bottom: 2rem;
}

.back-link {
    font-size: .82rem;
    color: #64748b;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-bottom: .75rem;
}

.history-title {
    margin: 0;
    font-size: 1.7rem;
    font-weight: 700;
    color: #f1f5f9;
}

.history-subtitle {
    margin: .3rem 0 0;
    color: #64748b;
    font-size: .88rem;
}

.project-number {
    color: #38bdf8;
    font-weight: 600;
}

/* Statystyki */
.stats-grid {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.75rem;
}

.stat-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    flex: 1;
    min-width: 140px;
}

.stat-label {
    font-size: .72rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-bottom: .3rem;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: #38bdf8;
}

/* Tabela */
.table-wrapper {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 14px;
    overflow: hidden;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}

.history-table thead th {
    padding: .85rem 1.1rem;
    text-align: left;
    color: #64748b;
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    border-bottom: 1px solid #334155;
    background: #0f172a;
}

.history-table td {
    padding: .8rem 1.1rem;
    color: #e2e8f0;
    border-bottom: 1px solid #1e293b;
}

.row-hover {
    transition: background .15s;
}

.row-hover:hover {
    background: #0f172a;
}

/* Tag etapu */
.stage-tag {
    background: #1e3a5f;
    color: #38bdf8;
    padding: .2rem .6rem;
    border-radius: 6px;
    font-size: .8rem;
    font-weight: 600;
}

/* Mono font */
.mono {
    font-variant-numeric: tabular-nums;
    color: #94a3b8;
}

/* Aktywna sesja */
.active-tag {
    color: #f97316;
    font-weight: 600;
    font-size: .78rem;
    animation: pulse 2s infinite;
}

/* Kolor czasu */
.duration.active {
    color: #f97316;
}

.duration.done {
    color: #4ade80;
}

.text-right {
    text-align: right;
}

/* Pusty stan */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #475569;
}

.empty-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #334155;
}

/* Animacja */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}