/* NFT Literature - Literature NFT Blockchain */
/* Dark theme inspired by blockchain explorers */

:root {
    --bg-primary: #0a0a12;
    --bg-secondary: #111827;
    --bg-card: #1a1a2e;
    --bg-input: #16213e;
    --border: #2a2a4a;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky; top: 0; z-index: 100;
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1200px; margin: 0 auto; padding: 0 20px;
}
.logo {
    font-size: 24px; font-weight: 800; letter-spacing: -0.5px;
    background: linear-gradient(135deg, #6366f1, #a78bfa);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.logo-sub { font-size: 12px; color: var(--text-muted); margin-left: 10px; letter-spacing: 1px; }

/* Navigation */
nav { display: flex; gap: 4px; }
nav button {
    background: transparent; border: 1px solid transparent; color: var(--text-secondary);
    padding: 8px 16px; border-radius: 8px; cursor: pointer; font-size: 14px;
    transition: all 0.2s;
}
nav button:hover { color: var(--text-primary); background: rgba(99,102,241,0.1); }
nav button.active { color: var(--accent); background: rgba(99,102,241,0.15); border-color: rgba(99,102,241,0.3); }

/* Stats Bar */
.stats-bar {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    padding: 24px 0; margin: 0 0 24px 0;
}
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 20px;
}
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 28px; font-weight: 700; margin-top: 4px; color: var(--text-primary); }
.stat-value.accent { color: var(--accent); }
.stat-value.success { color: var(--success); }
.stat-value.warning { color: var(--warning); }

/* Supply Progress Bar */
.supply-bar-container {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 20px; margin-bottom: 24px;
}
.supply-bar-header {
    display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px;
}
.supply-bar-label { font-size: 13px; color: var(--text-secondary); font-weight: 500; }
.supply-bar-pct { font-size: 14px; font-weight: 700; color: var(--warning); }
.supply-bar-track {
    width: 100%; height: 12px; background: var(--bg-input);
    border-radius: 6px; overflow: hidden;
}
.supply-bar-fill {
    height: 100%; border-radius: 6px;
    background: linear-gradient(90deg, var(--accent), var(--warning));
    transition: width 1s ease-out; min-width: 2px;
}
.supply-bar-footer {
    display: flex; justify-content: space-between; margin-top: 8px;
    font-size: 12px; color: var(--text-muted); font-family: monospace;
}

/* Supply Dimension Cards */
.supply-dims-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px;
}
.supply-dim-card {
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: 10px; padding: 16px; text-align: center;
}
.supply-dim-icon { font-size: 24px; margin-bottom: 8px; }
.supply-dim-name { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.supply-dim-values { font-size: 20px; font-weight: 700; color: var(--warning); }
.supply-dim-desc { font-size: 11px; color: var(--text-muted); margin-top: 4px; font-family: monospace; }

/* Supply Formula */
.supply-formula {
    background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(99,102,241,0.08));
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: 10px; padding: 20px; text-align: center; margin-bottom: 20px;
}
.formula-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.formula-expr { font-family: 'Courier New', monospace; font-size: 15px; color: var(--text-primary); margin-bottom: 8px; }
.formula-result { font-size: 24px; font-weight: 800; color: var(--warning); margin-top: 4px; }

/* Supply Hash Note */
.supply-hash-note {
    background: rgba(99,102,241,0.06); border: 1px solid rgba(99,102,241,0.15);
    border-radius: 10px; padding: 16px;
}

/* Supply Comparison */
.supply-comparison {
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: 10px; padding: 16px;
}
.comparison-row {
    display: grid; grid-template-columns: 1fr auto; gap: 8px;
    padding: 10px 0; border-bottom: 1px solid var(--border);
    align-items: center;
}
.comparison-row:last-child { border-bottom: none; }
.comparison-label { font-size: 13px; color: var(--text-secondary); }
.comparison-value { font-size: 14px; font-weight: 600; color: var(--text-primary); text-align: right; }
.comparison-note {
    grid-column: 1 / -1; font-size: 11px; color: var(--text-muted); margin-top: -4px;
}
.comparison-row.highlight {
    background: rgba(245,158,11,0.06); margin: 0 -16px; padding: 10px 16px;
    border-radius: 6px;
}
.comparison-row.highlight .comparison-value { color: var(--warning); }

/* Sections */
.section { display: none; }
.section.active { display: block; }
.section-header { margin-bottom: 24px; }
.section-title { font-size: 20px; font-weight: 600; }
.section-desc { color: var(--text-secondary); font-size: 14px; margin-top: 4px; }

/* Card */
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 24px; margin-bottom: 16px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 16px; font-weight: 600; }

/* Form */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; }
.form-input {
    width: 100%; padding: 12px 16px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: 8px;
    color: var(--text-primary); font-size: 14px; outline: none;
    transition: border-color 0.2s;
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input { resize: vertical; min-height: 120px; font-family: inherit; line-height: 1.8; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: 8px; font-size: 14px;
    font-weight: 500; cursor: pointer; border: none; transition: all 0.2s;
}
.btn-primary {
    background: var(--accent); color: white;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-outline {
    background: transparent; border: 1px solid var(--border); color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline.active { border-color: var(--accent); color: var(--accent); background: rgba(99,102,241,0.1); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-success { background: var(--success); color: white; }

/* Mining Animation */
.mining-animation {
    display: none; text-align: center; padding: 40px;
}
.mining-animation.active { display: block; }
.mining-spinner {
    width: 48px; height: 48px; border: 3px solid var(--border);
    border-top-color: var(--accent); border-radius: 50%;
    animation: spin 1s linear infinite; margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.mining-status { color: var(--text-secondary); font-size: 14px; }
.mining-nonce { color: var(--accent); font-family: monospace; font-size: 13px; margin-top: 8px; }

/* Result Card */
.mine-result { display: none; }
.mine-result.active { display: block; }

.code-display {
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(167,139,250,0.1));
    border: 1px solid rgba(99,102,241,0.3);
    border-radius: 12px; padding: 20px; text-align: center; margin: 16px 0;
}
.code-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.code-value {
    font-family: 'Courier New', monospace; font-size: 18px; font-weight: 700;
    color: var(--accent); margin-top: 8px; word-break: break-all;
}

.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.result-item { }
.result-item-label { font-size: 12px; color: var(--text-muted); }
.result-item-value { font-size: 14px; font-weight: 500; margin-top: 2px; }
.result-item-value a { color: var(--info); text-decoration: none; }
.result-item-value a:hover { text-decoration: underline; }

.hash-display {
    font-family: 'Courier New', monospace; font-size: 12px; color: var(--text-muted);
    background: var(--bg-input); padding: 8px 12px; border-radius: 6px;
    word-break: break-all; margin-top: 4px;
}

/* Block List */
.block-list { display: flex; flex-direction: column; gap: 12px; }
.block-item {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 10px; padding: 16px 20px;
    display: grid; grid-template-columns: 60px 1fr auto; gap: 16px;
    align-items: center; cursor: pointer; transition: border-color 0.2s;
}
.block-item:hover { border-color: var(--accent); }
.block-index {
    font-family: monospace; font-size: 24px; font-weight: 700; color: var(--text-muted);
}
.block-info { min-width: 0; }
.block-title { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.block-meta { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.block-code {
    font-family: monospace; font-size: 11px; color: var(--accent);
    background: rgba(99,102,241,0.1); padding: 4px 8px; border-radius: 4px;
    white-space: nowrap;
}
.block-codes {
    display: flex; flex-direction: column; gap: 4px; align-items: flex-end;
}
.block-code-v2 {
    font-family: monospace; font-size: 10px; color: var(--warning);
    background: rgba(245,158,11,0.1); padding: 2px 6px; border-radius: 3px;
    white-space: nowrap;
}
.block-code-v1 {
    font-family: monospace; font-size: 11px; color: var(--accent);
    background: rgba(99,102,241,0.1); padding: 4px 8px; border-radius: 4px;
    white-space: nowrap;
}

/* Block Detail Modal */
.modal-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7); z-index: 200; align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 16px; max-width: 700px; width: 90%; max-height: 85vh;
    overflow-y: auto; padding: 32px;
}
.modal-close {
    float: right; background: none; border: none; color: var(--text-muted);
    font-size: 24px; cursor: pointer; padding: 4px 8px;
}
.modal-close:hover { color: var(--text-primary); }

/* Search */
.search-box { display: flex; gap: 8px; margin-bottom: 24px; }
.search-box .form-input { flex: 1; }

/* Mode Tags */
.mode-tag {
    display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 4px;
    font-weight: 500;
}
.mode-tag.tragedy  { background: rgba(239,68,68,0.2); color: #fca5a5; }
.mode-tag.comedy   { background: rgba(34,197,94,0.2); color: #86efac; }
.mode-tag.satire   { background: rgba(245,158,11,0.2); color: #fcd34d; }
.mode-tag.poetic   { background: rgba(168,85,247,0.2); color: #c084fc; }
.mode-tag.intrigue { background: rgba(59,130,246,0.2); color: #93c5fd; }
.mode-tag.mystery  { background: rgba(99,102,241,0.2); color: #a5b4fc; }
.mode-tag.horror   { background: rgba(220,38,38,0.2); color: #fca5a5; }
.mode-tag.scifi    { background: rgba(6,182,212,0.2); color: #67e8f9; }
.mode-tag.romance  { background: rgba(236,72,153,0.2); color: #f9a8d4; }
.mode-tag.epic     { background: rgba(251,191,36,0.2); color: #fde68a; }

/* M Vector Chart */
.m-vector-bar {
    display: flex; align-items: center; gap: 8px; margin: 4px 0; font-size: 12px;
}
.m-vector-label { width: 80px; text-align: right; color: var(--text-secondary); }
.m-vector-track { flex: 1; height: 8px; background: var(--bg-input); border-radius: 4px; overflow: hidden; }
.m-vector-fill { height: 100%; border-radius: 4px; background: var(--accent); transition: width 0.5s; }
.m-vector-value { width: 40px; color: var(--text-muted); font-family: monospace; }

/* Consensus Panel */
.consensus-status {
    display: flex; align-items: center; gap: 8px; padding: 12px 16px;
    background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.2);
    border-radius: 8px; font-size: 13px; color: var(--success);
}
.consensus-dot {
    width: 8px; height: 8px; border-radius: 50%; background: var(--success);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Footer */
footer {
    text-align: center; padding: 24px 0; margin-top: 40px;
    border-top: 1px solid var(--border); font-size: 13px; color: var(--text-muted);
}

/* Empty State */
.empty-state {
    text-align: center; padding: 60px 20px; color: var(--text-muted);
}
.empty-state-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state-text { font-size: 16px; }

/* Responsive */
@media (max-width: 768px) {
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .result-grid { grid-template-columns: 1fr; }
    .block-item { grid-template-columns: 1fr; gap: 8px; }
    .block-index { font-size: 16px; }
    nav button { padding: 6px 10px; font-size: 12px; }
    .logo-sub { display: none; }
    .search-box { flex-direction: column; }
    .header-inner { flex-direction: column; gap: 12px; }
    .supply-dims-grid { grid-template-columns: repeat(2, 1fr); }
    .formula-expr { font-size: 12px; }
    .formula-result { font-size: 18px; }
}

/* Alert */
.alert {
    padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 16px;
}
.alert-error { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: #86efac; }
.alert-info { background: rgba(59,130,246,0.15); border: 1px solid rgba(59,130,246,0.3); color: #93c5fd; }

/* Toast */
.toast {
    position: fixed; bottom: 24px; right: 24px; padding: 12px 20px;
    border-radius: 8px; font-size: 14px; z-index: 300;
    transform: translateY(100px); opacity: 0; transition: all 0.3s;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--danger); color: white; }

/* Header Auth */
.header-auth { display: flex; align-items: center; gap: 8px; }
.header-user { display: flex; align-items: center; gap: 10px; }
.header-username {
    font-size: 13px; font-weight: 600; color: var(--accent);
    background: rgba(99,102,241,0.1); padding: 4px 12px; border-radius: 6px;
}

/* Wallet Overview */
.wallet-overview { }
.wallet-addr-row {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: 8px; margin-bottom: 16px;
}
.wallet-addr-label { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.wallet-addr-value {
    font-family: monospace; font-size: 16px; font-weight: 700;
    color: var(--accent); letter-spacing: 1px; flex: 1;
}
.wallet-stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.wallet-stat {
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: 10px; padding: 16px; text-align: center;
}
.wallet-stat-value { font-size: 28px; font-weight: 700; }
.wallet-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Wallet Coin Item */
.wallet-coin-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px;
    transition: border-color 0.2s;
}
.wallet-coin-item:hover { border-color: var(--accent); }
.wallet-coin-code {
    font-family: monospace; font-size: 12px; color: var(--accent);
    background: rgba(99,102,241,0.1); padding: 4px 8px; border-radius: 4px;
}
.wallet-coin-info { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

/* Transfer Item */
.transfer-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px;
    gap: 12px;
}
.transfer-item.transfer-in { border-left: 3px solid var(--success); }
.transfer-item.transfer-out { border-left: 3px solid var(--info); }
.transfer-info { flex: 1; min-width: 0; }
.transfer-code {
    font-family: monospace; font-size: 11px; color: var(--accent);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.transfer-meta { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.transfer-actions { display: flex; gap: 6px; flex-shrink: 0; }
.transfer-status {
    font-size: 11px; padding: 3px 8px; border-radius: 4px; font-weight: 500;
    white-space: nowrap; flex-shrink: 0;
}
.transfer-status-warning { background: rgba(245,158,11,0.15); color: #fcd34d; }
.transfer-status-success { background: rgba(16,185,129,0.15); color: #86efac; }
.transfer-status-danger { background: rgba(239,68,68,0.15); color: #fca5a5; }
.transfer-status-muted { background: rgba(100,116,139,0.15); color: #94a3b8; }

/* Responsive additions */
@media (max-width: 768px) {
    .wallet-stats-row { grid-template-columns: 1fr; }
    .header-auth { gap: 4px; }
    .header-username { display: none; }
}

/* Checkbox Label */
.checkbox-label {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 13px; color: var(--text-secondary); cursor: pointer;
    padding: 6px 12px; border-radius: 6px;
    background: var(--bg-input); border: 1px solid var(--border);
    transition: all 0.2s;
}
.checkbox-label:hover {
    border-color: var(--accent); color: var(--accent);
}
.checkbox-label input[type="checkbox"] {
    width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer;
}
.checkbox-label:has(input:checked) {
    border-color: var(--warning); color: var(--warning);
    background: rgba(245,158,11,0.08);
}

/* File Upload Area */
.file-upload-area {
    background: var(--bg-input); border: 2px dashed var(--border);
    border-radius: 12px; overflow: hidden; cursor: pointer;
    transition: all 0.3s; min-height: 120px;
    display: flex; align-items: center; justify-content: center;
}
.file-upload-area:hover {
    border-color: var(--accent); background: rgba(99,102,241,0.05);
}
.file-upload-placeholder {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 8px; padding: 24px;
    text-align: center; width: 100%;
}
.file-upload-icon {
    opacity: 0.6; color: var(--text-muted);
}
.file-upload-text {
    font-size: 15px; font-weight: 600; color: var(--text-secondary);
}
.file-upload-hint {
    font-size: 12px; color: var(--text-muted);
}
.file-upload-selected {
    display: flex; align-items: center; justify-content: center;
    gap: 12px; padding: 20px 24px; width: 100%; display: none;
    cursor: pointer;
}
.file-selected-icon {
    font-size: 24px; color: var(--success);
}
.file-selected-name {
    font-size: 14px; font-weight: 600; color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 250px;
}
.file-selected-size {
    font-size: 12px; color: var(--text-muted); font-family: monospace;
}

@media (max-width: 768px) {
    .file-selected-name { max-width: 120px; }
}