/* ============================================
   Mandu Contracts Page — Flat UI
   Clean, vivid, high-contrast
   ============================================ */

/* ============================================
   WALLET BANNER
   ============================================ */
.wallet-banner {
    background: var(--bg-surface);
    border-bottom: 2px solid var(--border-light);
    padding: 12px 40px;
    position: sticky;
    top: 56px;
    z-index: 90;
}

.wallet-banner-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.wallet-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
}

.wallet-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--danger);
    display: inline-block;
    transition: background-color 0.3s;
}

.wallet-dot.connected {
    background-color: var(--primary);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.wallet-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8125rem;
}

.wallet-address {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-dark);
    background: var(--bg-surface-alt);
    padding: 4px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    font-weight: 600;
}

.wallet-network {
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.75rem;
    background: var(--primary);
    padding: 4px 12px;
    border-radius: 6px;
}

.wallet-connect-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #FFFFFF;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    transition: filter 0.2s;
}

.wallet-connect-btn:hover {
    filter: brightness(0.9);
}

.wallet-connect-btn.connected-btn {
    background: var(--primary);
    color: #FFFFFF;
    opacity: 0.7;
    cursor: default;
}

/* ============================================
   CONTRACTS PAGE LAYOUT
   ============================================ */
.contracts-page {
    flex: 1;
    padding: 0 0 40px;
}

.contracts-grid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 24px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* ============================================
   CONTRACT CARD — Flat with colored top border
   ============================================ */
.contract-card {
    background: var(--bg-surface);
    border: 2px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.contract-card:hover {
    border-color: var(--text-light);
}

/* Card Header */
.card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    border-bottom: 2px solid var(--border-light);
    background: var(--bg-surface-alt);
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.score-icon {
    background: var(--secondary);
}

.token-icon {
    background: var(--accent);
}

.card-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.contract-addr {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 4px 0 0 !important;
    display: flex;
    align-items: center;
    gap: 6px;
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.75rem;
    padding: 2px 4px;
    border-radius: 4px;
    transition: background 0.2s;
}

.copy-btn:hover {
    background: var(--bg-page);
}

.etherscan-link {
    margin-left: auto;
    color: var(--secondary);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    transition: color 0.2s;
    flex-shrink: 0;
}

.etherscan-link:hover {
    color: var(--secondary-hover);
}

/* ============================================
   CARD BODY
   ============================================ */
.card-body {
    padding: 8px 0;
    max-height: 75vh;
    overflow-y: auto;
}

.card-body::-webkit-scrollbar {
    width: 6px;
}

.card-body::-webkit-scrollbar-track {
    background: transparent;
}

.card-body::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

/* ============================================
   SECTION
   ============================================ */
.section {
    padding: 8px 24px 16px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-light);
}

.badge {
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #FFFFFF;
}

.read-badge {
    background: var(--secondary);
}

.write-badge {
    background: var(--warning);
}

/* ============================================
   FUNCTION GROUP — Flat bordered boxes
   ============================================ */
.fn-group {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 14px 16px;
    margin-bottom: 10px;
    transition: border-color 0.2s;
}

.fn-group:hover {
    border-color: var(--border);
}

.fn-group.highlight-fn {
    border: 2px solid var(--accent);
    background: #FFFDE7;
}

.fn-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 0;
}

.fn-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-dark);
}

.fn-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 8px 0 12px !important;
    line-height: 1.5;
}

.owner-tag {
    font-size: 0.625rem;
    font-weight: 800;
    color: #FFFFFF;
    background: var(--danger);
    padding: 2px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.mint-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================
   INPUTS — Clean flat fields
   ============================================ */
.fn-inputs {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-field {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-surface);
    border: 2px solid var(--border);
    border-radius: 6px;
    color: var(--text-dark);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    outline: none;
    transition: border-color 0.2s;
}

.input-field:focus {
    border-color: var(--secondary);
}

.input-field::placeholder {
    color: var(--text-light);
}

select.input-field {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%237F8C8D' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 32px;
}

.input-field[readonly] {
    background: var(--bg-surface-alt);
    border-style: dashed;
    cursor: default;
    color: var(--text-muted);
}

/* ============================================
   BUTTONS — Flat solid colors
   ============================================ */
.call-btn {
    border: none;
    padding: 7px 16px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: filter 0.2s;
    white-space: nowrap;
}

.read-btn {
    background: var(--secondary);
    color: #FFFFFF;
}

.read-btn:hover {
    filter: brightness(0.9);
}

.write-btn {
    background: var(--warning);
    color: #FFFFFF;
    margin-top: 10px;
    width: 100%;
    padding: 10px;
    font-size: 0.8125rem;
    border-radius: 6px;
}

.write-btn:hover {
    filter: brightness(0.9);
}

.mint-btn {
    background: var(--primary);
    color: #FFFFFF;
    font-size: 0.9375rem;
    padding: 14px;
    border-radius: 6px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.mint-btn:hover {
    filter: brightness(0.9);
}

/* ============================================
   RESULT DISPLAY
   ============================================ */
.fn-result {
    display: none;
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-family: 'JetBrains Mono', monospace;
    word-break: break-all;
    line-height: 1.6;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-success {
    background: #E8F8F5;
    border: 2px solid var(--primary);
    color: #1E8449;
}

.result-error {
    background: #FDEDEC;
    border: 2px solid var(--danger);
    color: #C0392B;
}

.result-loading {
    background: #EBF5FB;
    border: 2px solid var(--secondary);
    color: #2471A3;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tx-link {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s;
}

.tx-link:hover {
    color: var(--secondary-hover);
    text-decoration: underline;
}

/* ============================================
   SPINNER
   ============================================ */
.spinner {
    width: 14px;
    height: 14px;
    border: 2px solid var(--border);
    border-top-color: var(--secondary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   SIGNATURE GENERATOR
   ============================================ */
.sig-generator {
    margin-top: 12px;
    padding: 16px;
    background: #F4F1FE;
    border: 2px dashed #8E44AD;
    border-radius: 6px;
}

.sig-step-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 12px 0 8px;
}

.sig-step-badge {
    background: #8E44AD;
    color: #FFFFFF;
    font-size: 0.625rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 4px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sig-divider {
    height: 2px;
    background: #8E44AD;
    opacity: 0.3;
    margin: 20px 0 8px;
}

.sig-info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px 12px;
    background: #EDE7F6;
    border-radius: 6px;
    font-size: 0.75rem;
}

.sig-info-label {
    color: var(--text-muted);
    font-weight: 700;
}

.sig-info-value {
    color: #8E44AD;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

.sig-gen-btn {
    background: #8E44AD;
    color: #FFFFFF;
    margin-top: 12px;
    width: 100%;
    padding: 12px;
    font-size: 0.875rem;
    border-radius: 6px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.sig-gen-btn:hover {
    filter: brightness(0.9);
}

.fn-desc code {
    background: #EDE7F6;
    color: #6C3483;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6875rem;
}

/* Nav Active */
.nav-active {
    color: var(--text-dark) !important;
    background-color: var(--bg-page) !important;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .contracts-grid {
        grid-template-columns: 1fr;
        padding: 20px 16px;
    }

    .wallet-banner {
        padding: 12px 16px;
    }

    .wallet-banner-inner {
        flex-wrap: wrap;
    }

    .card-header {
        padding: 16px 20px;
    }

    .section {
        padding: 8px 20px 16px;
    }
}

@media (max-width: 480px) {
    .contracts-grid {
        padding: 12px 10px;
    }

    .fn-group {
        padding: 12px;
    }

    .wallet-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}