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

body {
    background-image: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)), url('./assets/wallpaper.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: #0f172a;
    color: #f8fafc;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    max-width: 480px;
    width: 100%;
    padding: 32px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

header {
    text-align: center;
    margin-bottom: 28px;
}

header h1 {
    font-size: 1.6rem;
    color: #38bdf8;
    margin-bottom: 8px;
}

header p {
    font-size: 0.9rem;
    color: #94a3b8;
}

.input-group {
    margin-bottom: 20px;
    position: relative;
}

label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: #cbd5e1;
}

input, select {
    width: 100%;
    padding: 12px 16px;
    border-radius: 6px;
    border: 1px solid #475569;
    background-color: #0f172a;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

select option {
    background-color: #0f172a;
    color: #fff;
}

.custom-select-wrapper {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 200px;
    overflow-y: auto;
    background-color: #0f172a;
    border: 1px solid #38bdf8;
    border-top: none;
    border-radius: 0 0 6px 6px;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.dropdown-menu.hidden {
    display: none;
}

.dropdown-item {
    padding: 10px 16px;
    cursor: pointer;
    color: #f8fafc;
    font-size: 0.95rem;
    transition: background-color 0.15s;
}

.dropdown-item:hover {
    background-color: #1e293b;
    color: #38bdf8;
}

button {
    width: 100%;
    padding: 14px;
    background-color: #0284c7;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #0369a1;
}

.result-card {
    margin-top: 24px;
    padding: 16px;
    border-radius: 6px;
    text-align: center;
    animation: fadeIn 0.3s ease-in-out;
}

.result-card.hidden {
    display: none;
}

.result-card.success {
    background-color: #064e3b;
    border: 1px solid #10b981;
    color: #a7f3d0;
}

.result-card.error {
    background-color: #7f1d1d;
    border: 1px solid #ef4444;
    color: #fecaca;
}

.result-card h2 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.result-card p {
    font-size: 0.95rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}


.donate-container {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    border-top: 1px solid #334155;
    padding-top: 16px;
}

.btn-donate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px; 
    padding: 8px 16px;
    background-color: transparent;
    color: #10b981; 
    border: 1px solid #10b981;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease-in-out;
}

.btn-donate:hover {
    background-color: #10b981;
    color: #0f172a;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.pix-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
}