@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: #e0e0e0;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 50px auto;
    padding: 20px;
    background-color: rgba(36, 36, 36, 0.85);
    box-shadow: 0 0 30px rgba(0, 255, 204, 0.2);
    border-radius: 10px;
}

h1 {
    text-align: center;
    margin-bottom: 10px;
    color: #ffffff;
    text-shadow: 0 0 10px rgba(0, 255, 204, 0.5);
    font-size: 2em;
}

.subtitle {
    text-align: center;
    color: #b8b8b8;
    margin-bottom: 30px;
    font-size: 0.9em;
}

/* ===== 지갑 연결 섹션 ===== */
.wallet-section {
    background: rgba(40, 44, 52, 0.9);
    border: 1px solid #404040;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.wallet-connection {
    margin-bottom: 15px;
}

.connection-help {
    margin-bottom: 20px;
    color: #b8b8b8;
}

.wallet-info {
    margin-top: 20px;
}

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

.info-item {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px;
    border-radius: 6px;
    border-left: 3px solid #00ffcc;
}

.info-label {
    font-weight: 600;
    color: #00ffcc;
    display: block;
    margin-bottom: 5px;
    font-size: 0.9em;
}

.info-value {
    color: #ffffff;
    word-break: break-all;
    font-size: 0.95em;
}

/* ===== 버튼 스타일 ===== */
.btn-connect-wallet {
    padding: 15px 30px;
    font-size: 18px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-connect-wallet:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

.btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 117, 125, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
    color: #000;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.4);
}

.btn-external {
    display: inline-block;
    background: rgba(0, 255, 204, 0.1);
    color: #00ffcc;
    padding: 12px 20px;
    border: 1px solid #00ffcc;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s;
    margin: 5px;
}

.btn-external:hover {
    background: rgba(0, 255, 204, 0.2);
    transform: translateY(-2px);
}

button:disabled {
    background: #444 !important;
    color: #888 !important;
    cursor: not-allowed !important;
    opacity: 0.5 !important;
    transform: none !important;
    box-shadow: none !important;
}

button:disabled:hover {
    transform: none !important;
}

/* ===== 카테고리 스타일 ===== */
.category {
    margin-bottom: 30px;
}

.category-header {
    cursor: pointer;
    padding: 15px;
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.1) 0%, rgba(0, 200, 160, 0.1) 100%);
    border-radius: 8px;
    transition: all 0.3s;
    margin-bottom: 0;
    color: #ffffff;
    border: 1px solid rgba(0, 255, 204, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-header:hover {
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.2) 0%, rgba(0, 200, 160, 0.2) 100%);
    border-color: rgba(0, 255, 204, 0.4);
    transform: translateX(5px);
}

.toggle-icon {
    margin-left: auto;
    color: #00ffcc;
    font-size: 1.2em;
}

.category-desc {
    font-size: 0.85em;
    color: #b8b8b8;
    font-weight: 400;
    margin-left: auto;
    margin-right: 10px;
}

.category-content {
    padding: 20px;
    border-left: 1px solid #404040;
    border-right: 1px solid #404040;
    border-bottom: 1px solid #404040;
    border-radius: 0 0 8px 8px;
    background: rgba(20, 20, 20, 0.5);
    display: none;
}

/* ===== 폼 스타일 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #ffffff;
}

.form-input, select.form-input {
    width: calc(100% - 20px);
    padding: 12px;
    border: 1px solid #555;
    border-radius: 6px;
    margin-bottom: 10px;
    background-color: #2a2a2a;
    color: #e0e0e0;
    transition: all 0.3s;
    font-size: 14px;
}

.form-input:focus, select.form-input:focus {
    border-color: #00ffcc;
    outline: none;
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.2);
}

.form-input::placeholder {
    color: #888;
}

.input-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ===== 배지 스타일 ===== */
.required-badge {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75em;
    font-weight: 600;
    margin-left: 8px;
}

.free-badge {
    background: linear-gradient(135deg, #00ffcc 0%, #00d4aa 100%);
    color: #000;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75em;
    font-weight: 600;
    margin-left: 8px;
}

/* ===== 권한 스타일 ===== */
.wallet-role {
    padding: 8px 12px;
    border-radius: 6px;
    font-weight: 600;
    display: inline-block;
}

.wallet-role.admin {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.2) 0%, rgba(238, 90, 111, 0.2) 100%);
    border-left: 4px solid #ff6b6b;
    color: #ff6b6b;
}

.wallet-role.normal {
    background: rgba(255, 255, 255, 0.1);
    border-left: 4px solid #ffffff;
    color: #ffffff;
}

/* ===== 결과 표시 ===== */
.result-display {
    background: rgba(0, 0, 0, 0.4);
    padding: 15px;
    border-radius: 6px;
    border-left: 3px solid #00ffcc;
    margin-top: 10px;
    color: #e0e0e0;
    font-family: monospace;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ===== 노트 스타일 ===== */
.note {
    background: rgba(0, 255, 204, 0.1);
    border-left: 3px solid #00ffcc;
    padding: 12px;
    border-radius: 4px;
    margin: 15px 0;
    color: #b8b8b8;
    font-size: 0.9em;
}

/* ===== BscScan 링크 ===== */
.bscscan-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

/* ===== 유틸리티 ===== */
.mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ===== 반응형 디자인 ===== */
@media (max-width: 768px) {
    .container {
        margin: 20px auto;
        padding: 15px;
    }

    h1 {
        font-size: 1.5em;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .category-desc {
        display: none;
    }

    .btn-connect-wallet {
        width: 100%;
        padding: 12px;
        font-size: 16px;
    }

    .input-group {
        flex-direction: column;
    }

    .form-input {
        width: calc(100% - 20px);
    }

    .bscscan-links {
        flex-direction: column;
    }

    .btn-external {
        width: 100%;
        text-align: center;
    }
}

/* ===== 스크롤바 스타일 (다크 테마) ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(40, 44, 52, 0.5);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00ffcc;
}

/* ===== 애니메이션 ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-content {
    animation: fadeIn 0.3s ease-in-out;
}

/* ===== 지갑 미연결 상태 ===== */
.wallet-not-connected button:not(.btn-connect-wallet),
.wallet-not-connected .btn-external {
    position: relative;
}

.wallet-not-connected button:not(.btn-connect-wallet):hover::after,
.wallet-not-connected .btn-external:hover::after {
    content: "먼저 지갑을 연결하세요";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: #00ffcc;
    padding: 5px 10px;
    border-radius: 4px;
    white-space: nowrap;
    font-size: 12px;
    margin-bottom: 5px;
    z-index: 1000;
}