* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #2b2b2b; /* solid grey */
    color: #e2e8f0;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: -250px;
    top: 0;
    width: 250px;
    height: 100%;
    background: #020617;
    padding-top: 60px;
    transition: 0.3s ease;
    z-index: 1000;
}

.sidebar.active {
    left: 0;
}

.sidebar a {
    display: block;
    padding: 15px;
    color: #94a3b8;
    text-decoration: none;
    transition: 0.2s;
}

.sidebar a:hover {
    background: #1e293b;
    color: white;
}

/* TOPBAR UPGRADE */
.topbar {
    height: 60px;
    background: rgba(2,6,23,0.85);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Hamburger (BIGGER) */
.menu-btn {
    font-size: 32px;
    cursor: pointer;
    transition: 0.2s;
}

.menu-btn:hover {
    transform: scale(1.1);
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    width: 260px;
    height: 100%;
    background: #020617;
    padding-top: 70px;
    transition: 0.25s ease;
    z-index: 1000;
    border-right: 1px solid rgba(255,255,255,0.05);
}

.sidebar.active {
    left: 0;
}

/* Overlay (click outside to close) */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: 0.2s;
    z-index: 900;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Inputs styling */
input {
    background: #020617;
    border: 1px solid #1e293b;
    color: white;
    border-radius: 6px;
}

/* Button variation */
.btn:hover {
    box-shadow: 0 0 15px rgba(34,197,94,0.5);
}

/* Buttons */
.btn {
    background: linear-gradient(45deg, #22c55e, #16a34a);
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: 0.2s;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 10px #22c55e;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
/* Container */
.deposit-container {
    max-width: 900px;
    margin: 40px auto;
    text-align: center;
}

/* Tabs */
.method-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    gap: 10px;
}

.method {
    padding: 10px 20px;
    background: #1e293b;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
}

.method.active {
    background: #22c55e;
}

/* Packages */
.packages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.package {
    background: #1e293b;
    padding: 25px;
    border-radius: 12px;
    cursor: pointer;
    transition: 0.25s;
    position: relative;
}

.package:hover {
    transform: scale(1.03);
    box-shadow: 0 0 15px rgba(34,197,94,0.4);
}

.package.selected {
    border: 2px solid #22c55e;
    box-shadow: 0 0 20px rgba(34,197,94,0.6);
}

/* Bonus tag */
.tag {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #22c55e;
    padding: 3px 8px;
    font-size: 12px;
    border-radius: 5px;
}

/* Summary */
.summary {
    margin-top: 25px;
    padding: 20px;
    background: #1e293b;
    border-radius: 12px;
}

/* Bigger button */
.btn.big {
    width: 100%;
    margin-top: 15px;
    padding: 15px;
    font-size: 16px;
}