/* ============================================
   OPTKAS — CLIENT PORTAL STYLES
   Extends styles.css for client-portal-specific elements
   ============================================ */

/* --- Portal App Override --- */
.portal-app {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--topbar-height) 1fr;
    height: 100vh;
}

/* --- Module Tag (reused from training) --- */
.module-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    margin-bottom: 8px;
}

/* --- Training Content Container --- */
.training-content {
    padding: 0;
}

/* --- Teach Blocks --- */
.teach-block {
    margin-bottom: 36px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--border);
}

.teach-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.teach-block h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.teach-block p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.teach-block code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent-cyan);
}

/* --- Concept Cards --- */
.concept-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
    margin: 16px 0;
}

.concept-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent-amber);
    margin-bottom: 10px;
}

.concept-card p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.concept-card ul {
    list-style: none;
    padding: 0;
}

.concept-card li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
    line-height: 1.6;
}

.concept-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
}

/* --- Three Column Mini Cards --- */
.three-col-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.mini-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.mini-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.mini-card h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.mini-card p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Step Box --- */
.step-box {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
    margin: 16px 0;
}

.step-box h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 10px;
}

.step-box ol {
    padding-left: 20px;
}

.step-box li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0;
    line-height: 1.6;
}

/* --- Completion Box --- */
.completion-box {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(59, 130, 246, 0.1));
    border: 2px solid var(--accent-green);
    border-radius: 16px;
    padding: 40px;
    display: inline-block;
    max-width: 600px;
}

.completion-box h2 {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--accent-green);
}

.completion-box p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.training-link-btn {
    display: inline-block;
    padding: 10px 24px;
    background: var(--accent-blue);
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s;
}

.training-link-btn:hover {
    background: #2563eb;
}

/* ============================================
   STAT GRID — Platform at a Glance
   ============================================ */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    transition: border-color 0.2s;
}

.stat-card:hover {
    border-color: var(--accent-amber);
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-amber);
    margin-bottom: 4px;
    font-family: var(--font-mono);
}

.stat-desc {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ============================================
   LAYER STACK — 5-Layer Architecture
   ============================================ */

.layer-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0;
}

.layer-row {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--layer-color);
    border-radius: 12px;
    padding: 20px 24px;
    transition: border-color 0.2s, transform 0.2s;
}

.layer-row:hover {
    border-color: var(--layer-color);
    transform: translateX(4px);
}

.layer-num {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--layer-color);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    font-family: var(--font-mono);
}

.layer-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.layer-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   ACCOUNT GRID — 9 Mainnet Accounts
   ============================================ */

.account-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.account-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-top: 3px solid var(--acc-color);
    border-radius: 12px;
    padding: 20px;
    transition: transform 0.2s;
}

.account-card:hover {
    transform: translateY(-2px);
}

.acc-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.acc-chain {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.acc-chain.stellar {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
}

.acc-header h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.account-card p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   USE CASE GRID — 6 Asset Classes
   ============================================ */

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.use-case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.2s, transform 0.2s;
}

.use-case-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.uc-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.use-case-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.use-case-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.uc-benefit {
    font-size: 12px;
    color: var(--accent-green);
    font-weight: 600;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

/* ============================================
   BENEFIT GRID — What You Can Do
   ============================================ */

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.2s;
}

.benefit-card:hover {
    border-color: var(--accent-blue);
}

.ben-icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.benefit-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   STABLECOIN GRID
   ============================================ */

.stable-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.stable-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.2s;
}

.stable-card:hover {
    border-color: var(--accent-cyan);
}

.stable-logo {
    font-size: 36px;
    margin-bottom: 10px;
}

.stable-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stable-issuer {
    font-size: 11px;
    color: var(--accent-cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 10px;
}

.stable-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

.stable-use {
    font-size: 12px;
    color: var(--accent-amber);
    font-weight: 600;
    border-top: 1px solid var(--border);
    padding-top: 10px;
}

/* ============================================
   COMPARISON TABLE
   ============================================ */

.compare-table {
    margin: 16px 0;
    overflow-x: auto;
}

.compare-table h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent-amber);
    margin-bottom: 12px;
}

.compare-table table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 12px;
    overflow: hidden;
}

.compare-table thead {
    background: var(--bg-tertiary);
}

.compare-table th {
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
}

.compare-table td {
    padding: 10px 16px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    line-height: 1.5;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table tbody tr {
    background: var(--bg-card);
    transition: background 0.2s;
}

.compare-table tbody tr:hover {
    background: var(--bg-hover);
}

/* ============================================
   FLAG GRID — Stellar Regulated Assets
   ============================================ */

.flag-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.flag-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: border-color 0.2s;
}

.flag-card:hover {
    border-color: var(--accent-purple);
}

.flag-icon {
    font-size: 36px;
    margin-bottom: 10px;
}

.flag-card h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-purple);
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.flag-card p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   FEE GRID — Fee Structure
   ============================================ */

.fee-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.fee-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.fee-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.fee-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.fee-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    flex-shrink: 0;
}

.fee-tag.ongoing {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
}

.fee-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.fee-why {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border-left: 3px solid var(--accent-green);
}

/* ============================================
   ALLOCATION CHART — Where Fees Go
   ============================================ */

.allocation-chart {
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.alloc-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.alloc-bar {
    width: var(--alloc-pct);
    height: 24px;
    background: var(--alloc-color);
    border-radius: 6px;
    flex-shrink: 0;
    min-width: 60px;
    opacity: 0.85;
}

.alloc-label {
    flex: 1;
}

.alloc-label strong {
    display: block;
    font-size: 13px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.alloc-label span {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ============================================
   SECURITY GRID
   ============================================ */

.security-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.sec-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.2s;
}

.sec-card:hover {
    border-color: var(--accent-red);
}

.sec-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.sec-card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.sec-card p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   ONBOARDING TIMELINE
   ============================================ */

.onboard-timeline {
    margin: 16px 0;
    position: relative;
    padding-left: 40px;
}

.onboard-timeline::before {
    content: '';
    position: absolute;
    left: 19px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.onboard-step {
    position: relative;
    margin-bottom: 24px;
    padding-left: 24px;
}

.onboard-step:last-child {
    margin-bottom: 0;
}

.step-num {
    position: absolute;
    left: -40px;
    top: 0;
    width: 38px;
    height: 38px;
    background: var(--accent-green);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    font-family: var(--font-mono);
    z-index: 1;
}

.step-content h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.step-content p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   FAQ LIST
   ============================================ */

.faq-list {
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
    transition: border-color 0.2s;
}

.faq-item:hover {
    border-color: var(--accent-amber);
}

.faq-item h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-amber);
    margin-bottom: 6px;
}

.faq-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
    .three-col-cards,
    .use-case-grid,
    .benefit-grid,
    .flag-grid,
    .account-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portal-app {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none;
    }
    .three-col-cards,
    .use-case-grid,
    .benefit-grid,
    .flag-grid,
    .account-grid,
    .stat-grid,
    .stable-grid,
    .fee-grid,
    .security-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   READ-LISTEN LABEL
   ============================================ */
.read-listen-label {
    display: inline-block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: 8px;
    vertical-align: middle;
    opacity: 0.7;
}