:root {
    --kripto-red: #c80e00;
    --kripto-green: #00c853;
    --kripto-blue: #007fc8;
    --kripto-black: #000000;
    --kripto-white: #ffffff;
    --kripto-silver: #c0c0c0;
    --bg-dark: #050505;
    --card-bg: #101010;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #111 0, #000 60%);
    color: var(--kripto-white);
}

a {
    color: var(--kripto-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

.kripto-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
}

.kripto-card {
    background: linear-gradient(135deg, #111 0, #000 60%);
    border: 1px solid #222;
    border-radius: 14px;
    padding: 1.5rem;
    box-shadow: 0 18px 40px rgba(0,0,0,0.7);
}

.kripto-nav {
    border-bottom: 1px solid #222;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kripto-logo {
    font-weight: 800;
    letter-spacing: 0.15em;
    font-size: 1.1rem;
    color: var(--kripto-white);
    text-shadow: 0 0 10px rgba(0, 127, 200, 0.9);
}

.kripto-logo span {
    color: var(--kripto-blue);
}

.kripto-nav-links a {
    margin-left: 1rem;
    font-size: 0.95rem;
}

button, .btn {
    border-radius: 999px;
    border: 1px solid var(--kripto-blue);
    background: radial-gradient(circle at top left, #0288d1 0, #004c8c 45%, #000 100%);
    color: var(--kripto-white);
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    transition: transform .08s ease-out, box-shadow .08s ease-out, background .15s ease-out, border-color .15s ease-out;
    box-shadow: 0 10px 25px rgba(0, 127, 200, 0.45);
}

button:hover, .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(0, 127, 200, 0.65);
    border-color: var(--kripto-white);
}

button:active, .btn:active {
    transform: translateY(1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .7);
}

.btn-secondary {
    border-color: var(--kripto-silver);
    background: #111;
    box-shadow: 0 8px 18px rgba(0, 0, 0, .7);
}

.btn-success {
    border-color: var(--kripto-green);
    background: radial-gradient(circle at top left, #00e676 0, #00c853 40%, #005c2d 100%);
    box-shadow: 0 10px 24px rgba(0, 200, 83, 0.6);
}

input, select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border-radius: 10px;
    border: 1px solid #333;
    background: #050505;
    color: var(--kripto-white);
    font-size: 0.95rem;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--kripto-blue);
    box-shadow: 0 0 0 1px rgba(0,127,200,0.6);
}

label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.85rem;
    color: var(--kripto-silver);
}

.form-row {
    margin-bottom: 0.75rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 1.2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 0.75rem;
}

@media (max-width: 800px) {
    .grid-2, .grid-3 {
    grid-template-columns: 1fr;
}
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    border: 1px solid #333;
}

.badge-success {
    border-color: var(--kripto-green);
    color: var(--kripto-green);
}

.badge-danger {
    border-color: var(--kripto-red);
    color: var(--kripto-red);
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
}

.table th, .table td {
    padding: 0.45rem 0.4rem;
    border-bottom: 1px solid #222;
    font-size: 0.85rem;
}

.table th {
    text-align: left;
    color: var(--kripto-silver);
    font-weight: 500;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    border: 1px solid #333;
    font-size: 0.75rem;
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
}

.hero-title {
    font-size: 2.3rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.hero-subtitle {
    color: var(--kripto-silver);
    font-size: 0.95rem;
    max-width: 420px;
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.9rem;
}

.alert {
    border-radius: 10px;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    border: 1px solid #333;
    margin-bottom: 0.7rem;
}

.alert-error {
    border-color: var(--kripto-red);
    color: var(--kripto-red);
}

.alert-success {
    border-color: var(--kripto-green);
    color: var(--kripto-green);
}

.small {
    font-size: 0.8rem;
    color: var(--kripto-silver);
}

.tag-username {
    color: var(--kripto-blue);
}

#priceChart {
    width: 100%;
    height: 280px;
}

#depthChart {
    width: 100%;
    height: 220px;
}

.tabs {
    display: flex;
    border-bottom: 1px solid #222;
    margin-bottom: 0.8rem;
}

.tab {
    padding: 0.4rem 0.9rem;
    cursor: pointer;
    font-size: 0.85rem;
    border-bottom: 2px solid transparent;
}

.tab.active {
    border-bottom-color: var(--kripto-blue);
    color: var(--kripto-blue);
}

.admin-grid {
    display: grid;
    grid-template-columns: 1.1fr 1.2fr;
    gap: 1.2rem;
}

@media (max-width: 900px) {
    .admin-grid {
    grid-template-columns: 1fr;
}
}

.timeframe-row {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.6rem;
    flex-wrap: wrap;
}

.tf-btn {
    padding: 0.25rem 0.7rem;
    font-size: 0.75rem;
}

.tf-btn.active {
    border-color: var(--kripto-blue);
    background: #02243b;
}

.market-subgrid {
    display: grid;
    grid-template-columns: 1.1fr 1.1fr;
    gap: 1rem;
    margin-top: 1rem;
}

@media (max-width: 900px) {
    .market-subgrid {
    grid-template-columns: 1fr;
}
}

.orderbook-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
}

.orderbook-table th,
.orderbook-table td {
    padding: 0.25rem 0.3rem;
    border-bottom: 1px solid #151515;
}

.orderbook-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--kripto-silver);
    margin-bottom: 0.2rem;
}

.heatmap {
    margin-top: 0.4rem;
    max-height: 200px;
    overflow-y: auto;
}

.heatmap-item {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0.4rem;
    border-radius: 8px;
    margin-bottom: 0.15rem;
    font-size: 0.78rem;
}

.page-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(192,192,192,0.2);
    text-align: center;
    color: var(--color-muted);
    font-size: 0.8rem;
    background: rgba(0,0,0,0.9);
}