/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #1a1a1a;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    padding: 20px 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    margin-right: 12px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.1);
}

.logo span {
    font-size: 1.4em;
    font-weight: 700;
    color: #f0b90b;
    letter-spacing: 0.5px;
}

.navbar ul {
    display: flex;
    list-style: none;
}

.navbar li {
    margin-left: 30px;
}

.navbar a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 1em;
    transition: color 0.3s ease;
}

.navbar a:hover, .navbar a.active {
    color: #f0b90b;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.container {
    max-width: 700px;
    width: 100%;
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.container:hover {
    transform: translateY(-5px);
}

h1 {
    color: #f0b90b;
    text-align: center;
    font-size: 2.2em;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    text-align: center;
    color: #666;
    font-size: 1.1em;
    margin-bottom: 20px;
}

#connectWalletBtn {
    display: block;
    width: 200px;
    margin: 20px auto;
    padding: 12px;
    background: linear-gradient(90deg, #f0b90b, #d9a008);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

#connectWalletBtn:hover {
    background: linear-gradient(90deg, #d9a008, #f0b90b);
    transform: translateY(-2px);
}

/* Form Styles */
form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    background: #fafafa;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #f0b90b;
    box-shadow: 0 0 5px rgba(240, 185, 11, 0.3);
}

.form-group label {
    position: absolute;
    top: 12px;
    left: 15px;
    color: #666;
    font-size: 1em;
    transition: all 0.2s ease;
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 10px;
    font-size: 0.85em;
    color: #f0b90b;
    background: #fff;
    padding: 0 5px;
}

.submit-btn {
    background: linear-gradient(90deg, #f0b90b, #d9a008);
    color: #fff;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.submit-btn:hover {
    background: linear-gradient(90deg, #d9a008, #f0b90b);
    transform: translateY(-2px);
}

/* Popup Styles */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.popup-content {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 90%;
    animation: popupFadeIn 0.3s ease;
}

.popup-content h2 {
    color: #1a1a1a;
    font-size: 1.5em;
    margin-bottom: 20px;
}

.popup-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.popup-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.popup-btn.disconnect {
    background: linear-gradient(90deg, #f0b90b, #d9a008);
    color: #fff;
}

.popup-btn.disconnect:hover {
    background: linear-gradient(90deg, #d9a008, #f0b90b);
    transform: translateY(-2px);
}

.popup-btn.cancel {
    background: #e0e0e0;
    color: #333;
}

.popup-btn.cancel:hover {
    background: #d0d0d0;
    transform: translateY(-2px);
}

.popup-btn.ok {
    background: linear-gradient(90deg, #f0b90b, #d9a008);
    color: #fff;
}

.popup-btn.ok:hover {
    background: linear-gradient(90deg, #d9a008, #f0b90b);
    transform: translateY(-2px);
}

@keyframes popupFadeIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }

    .navbar {
        display: none;
        position: absolute;
        top: 70px;
        right: 20px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        padding: 15px;
    }

    .navbar.active {
        display: flex;
        flex-direction: column;
    }

    .navbar li {
        margin: 10px 0;
    }

    .hamburger {
        display: flex;
    }

    .container {
        padding: 20px;
    }

    h1 {
        font-size: 1.8em;
    }

    .subtitle {
        font-size: 1em;
    }

    .popup-content {
        padding: 20px;
    }
}