/* RESET I ZASADNICZE STYLE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-background: #0d1117; 
    --color-card: #161b22; 
    --color-text-primary: #f0f6f0; 
    --color-text-secondary: #8b949e; 
    --color-accent-gold: #FFC000;
    --color-accent-green: #38a169;
    --color-accent-red: #e53e3e;
    --color-input-bg: #0d1117;
    --color-border: #30363d;
    --color-table-header: #2d3748;
    
    --font-family-primary: 'Inter', sans-serif;
}

body {
    background-color: var(--color-background);
    color: var(--color-text-primary);
    font-family: var(--font-family-primary);
    line-height: 1.6;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding-bottom: 50px;
}

/* GŁÓWNY UKŁAD */
.container {
    max-width: 1400px; 
    width: 100%;
    padding: 0 15px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    font-size: clamp(1.8em, 4vw, 2.5em); 
    font-weight: 800;
}

/* NOWE STYLE DLA NAGŁÓWKA I STOPKI Z OBRAZKA */

.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    margin-bottom: -15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.header-bar .project-name,
.header-bar .balance {
    background-color: var(--color-background);
    padding: 10px 20px;
    border-radius: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    border: 1px solid var(--color-border);
}

.footer-bar {
    text-align: center;
    padding: 15px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    font-size: 0.85em;
    color: var(--color-text-secondary);
}

.footer-bar a {
    color: white;
    text-decoration: none;
}

/* UKŁAD DWUKOLUMNOWY DLA SEKCJI (Desktop) */
/* GŁÓWNA TREŚĆ WYKRES + INWESTYCJE */
.main-content-grid {
    display: grid; 
    gap: 30px;
    grid-template-columns: 1fr;
    flex-grow: 1;
}

@media (min-width: 900px) {
    .main-content-grid {
        grid-template-columns: 2fr 1.8fr;
    }
}

/* KARTY (SEKCJE) */
.card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 0; 
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

h2 {
    font-size: 1.3em;
    margin-bottom: 15px;
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 10px;
}

h3 {
    font-size: 1.1em;
    margin-top: 25px;
    margin-bottom: 10px;
}

/* AKCENT ZŁOTA */
.gold-accent {
    color: var(--color-accent-gold);
}

/* CENA BIEŻĄCA I ANIMACJA */
.price-wrapper {
    position: relative;
    overflow: hidden; 
    border-radius: 6px;
    transition: background-color 0.5s ease;
}

.market #price {
    font-size: 2.8em;
    font-weight: bold;
    color: var(--color-accent-gold); 
    padding: 5px 0;
    transition: transform 0.3s ease-out; 
}

#update-time {
    font-size: 0.85em;
    color: var(--color-text-secondary);
    margin-bottom: 25px;
    display: block;
}

/* KLASY DLA ANIMACJI CENY */

.price-wrapper.price-up-fade {
    background-color: var(--color-accent-green);
    animation: fade-out-bg-green 2s forwards;
}
.price-wrapper.price-down-fade {
    background-color: var(--color-accent-red);
    animation: fade-out-bg-red 2s forwards;
}

/* Używamy dwóch osobnych keyframes dla pewności */
@keyframes fade-out-bg-green {
    from { background-color: var(--color-accent-green); }
    to { background-color: transparent; }
}
@keyframes fade-out-bg-red {
    from { background-color: var(--color-accent-red); }
    to { background-color: transparent; }
}

/* Animacja cyfr */
.market #price.price-up {
    transform: translateY(-100%); 
    color: var(--color-text-primary); 
}
.market #price.price-down {
    transform: translateY(100%); 
    color: var(--color-text-primary); 
}
.market #price.price-stable {
    transform: translateY(0);
    color: var(--color-accent-gold);
}

/* WYKRES */
.chart-container {
    height: 350px; 
    width: 100%;
    margin-top: 20px;
}

canvas {
    height: 100% !important;
    width: 100% !important;
}


/* SEKCJA INWESTYCJI */
.balance-info {
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-accent-gold);
}

.buy-section {
    display: flex;
    gap: 10px;
}

/* POLA INPUT */
input[type="number"] {
    flex-grow: 1;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-input-bg);
    color: var(--color-text-primary);
    font-size: 1em;
    outline: none;
    transition: border-color 0.2s;
}

input[type="number"]:focus {
    border-color: var(--color-accent-gold);
}

/* PRZYCISKI */
button {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s;
    font-size: 1em;
    letter-spacing: 0.5px;
}

#buy {
    background-color: var(--color-accent-green);
    color: var(--color-text-primary); 
}

#buy:hover {
    background-color: #2f855a;
    transform: translateY(-1px);
}

/* TABELA HISTORII */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 0.9em;
}

th, td {
    padding: 12px 8px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

th {
    background-color: var(--color-table-header); 
    color: var(--color-text-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8em;
}
tr:last-child td {
    border-bottom: none;
}
tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* PRZYCISK SPRZEDAJ W TABELI */
td button {
    background: var(--color-accent-red);
    color: var(--color-text-primary);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 500;
}

td button:hover {
    background: #c53030;
    transform: translateY(-1px);
}