.app-layout {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: 220px;
    border-right: 1px solid var(--border-light);
    padding: 24px 0;
    flex-shrink: 0;
}

.app-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 16px;
}

.app-sidebar-logo {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.sidebar-toggle {
    display: none;
    width: 32px;
    height: 32px;
    background: none;
    border: 1px solid var(--border);
    cursor: pointer;
    position: relative;
    padding: 0;
}

.sidebar-toggle-icon,
.sidebar-toggle-icon::before,
.sidebar-toggle-icon::after {
    display: block;
    width: 16px;
    height: 2px;
    background: var(--text);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: all 0.2s;
}

.sidebar-toggle-icon {
    top: 50%;
    transform: translate(-50%, -50%);
}

.sidebar-toggle-icon::before {
    content: "";
    top: -5px;
    left: 0;
    transform: none;
}

.sidebar-toggle-icon::after {
    content: "";
    top: 5px;
    left: 0;
    transform: none;
}

/* X icon when open */
.sidebar-open .sidebar-toggle-icon {
    background: transparent;
}

.sidebar-open .sidebar-toggle-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.sidebar-open .sidebar-toggle-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile header — always visible on small screens */
.mobile-header {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 150;
}

.mobile-header .app-sidebar-logo {
    font-size: 14px;
}

.mobile-header .sidebar-toggle {
    display: block;
}

/* Overlay behind sidebar on mobile */
.sidebar-overlay {
    display: none;
}

.sidebar-overlay.sidebar-open {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 299;
}

.app-sidebar-nav {
    list-style: none;
}

.app-sidebar-nav li {
    padding: 0;
}

.app-sidebar-nav a, .app-sidebar-nav button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 10px 24px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.1s;
    border: none;
    background: none;
    cursor: pointer;
}

.app-sidebar-nav a:hover, .app-sidebar-nav button:hover {
    color: var(--text);
    background: var(--accent-light);
}

.app-sidebar-nav a.active, .app-sidebar-nav button.active {
    color: var(--text);
    font-weight: 500;
}

.app-sidebar-section {
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    padding: 16px 24px 8px;
    text-transform: uppercase;
}

.app-main {
    flex: 1;
    padding: 32px 48px 48px;
    max-width: 1400px;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-main::after {
    content: "";
    display: block;
    width: 400px;
    height: 400px;
    margin: auto auto -48px;
    background: url("../assets/7.svg") no-repeat center;
    background-size: contain;
    opacity: 0.18;
    pointer-events: none;
    flex-shrink: 0;
}

[data-theme="light"] .app-main::after {
    background-image: url("../assets/6.svg");
    opacity: 0.15;
}

/* Page grid — two column layout for wide mode */
.page-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

[data-layout="wide"] .page-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
}

@media (min-width: 1200px) {
    [data-layout="auto"] .page-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.page-left, .page-right {
    min-width: 0; /* prevent grid blowout */
}

/* Right column panel styling */
.panel {
    border: 1px solid var(--border-light);
    padding: 20px;
    margin-bottom: 16px;
}

.panel-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.panel-stat {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 13px;
}

.panel-stat-label {
    color: var(--text-secondary);
}

.panel-stat-value {
    font-family: var(--mono);
    color: var(--text);
}

/* Treasury card grid in wide mode */
.treasury-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

[data-layout="wide"] .treasury-grid,
[data-layout="auto"] .treasury-grid {
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
    .treasury-grid { grid-template-columns: 1fr !important; }
}

.app-header {
    margin-bottom: 32px;
}

.app-header h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.04em;
}

[data-font="classic"] .app-header h1 {
    font-weight: 400;
    letter-spacing: -0.5px;
}

[data-font="classic"] .wallet-balance {
    font-family: inherit;
    font-weight: 300;
}

[data-font="classic"] .wallet-balance-label {
    font-weight: 400;
    letter-spacing: 0.5px;
    text-transform: none;
}

[data-font="classic"] .app-sidebar-logo {
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: none;
}

.app-header p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

/* Checkbox and radio groups */
.check-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    cursor: pointer;
}
.check-group input[type="checkbox"],
.check-group input[type="radio"] {
    margin-top: 2px;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    accent-color: var(--text-secondary);
}
.check-group span,
.check-group label {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Wallet view */
.wallet-balance {
    font-family: var(--mono);
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.wallet-balance-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.wallet-address {
    margin-top: 24px;
    padding: 16px;
    background: var(--bg-secondary);
    font-family: var(--mono);
    font-size: 12px;
    word-break: break-all;
    cursor: pointer;
    position: relative;
    transition: background 0.1s;
}

.wallet-address:hover {
    background: var(--border-light);
}

.wallet-address-label {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.wallet-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin-top: 32px;
}

.wallet-utxos {
    margin-top: 40px;
}

.wallet-utxos h2 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.utxo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 14px;
}

.utxo-amount {
    font-family: var(--mono);
    font-weight: 500;
}

.utxo-status {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* Form views */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-hint {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.form-error {
    font-size: 12px;
    color: var(--error);
    margin-top: 4px;
}

.form-max {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--text-tertiary);
    cursor: pointer;
}

.form-max:hover {
    color: var(--text);
}

.form-input-wrapper {
    position: relative;
}

/* Onboarding */
.onboard {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

.onboard-box {
    max-width: 400px;
    width: 100%;
    padding: 0 24px;
}

.onboard-logo {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.onboard-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.onboard-or {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: var(--text-tertiary);
    font-size: 13px;
}

.onboard-or::before, .onboard-or::after {
    content: '';
    flex: 1;
    border-top: 1px solid var(--border-light);
}

.onboard-or span {
    padding: 0 16px;
}

/* Progress indicator */
.progress-bar {
    width: 100%;
    height: 2px;
    background: var(--border-light);
    margin: 16px 0;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent);
    transition: width 0.3s;
}

/* Treasury */
.treasury-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--border-light);
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color 0.1s;
}

.treasury-item:hover {
    border-color: var(--border);
}

.treasury-signers {
    display: flex;
    gap: 4px;
    margin-top: 4px;
}

.treasury-signer-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
}

.treasury-signer-dot.active {
    background: var(--accent);
}

/* Proposal */
.proposal-item {
    border: 1px solid var(--border-light);
    padding: 16px;
    margin-bottom: 8px;
}

.proposal-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.proposal-amount {
    font-family: var(--mono);
    font-weight: 500;
}

.proposal-approvals {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Connected wallet indicator */
.wallet-connected {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.wallet-connected-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
}

.wallet-disconnected-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--error);
}

@media (max-width: 768px) {
    .mobile-header { display: flex; }

    .app-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 220px;
        height: 100vh;
        z-index: 300;
        background: var(--bg);
        border-right: 1px solid var(--border-light);
        padding: 24px 0;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        overflow-y: auto;
    }

    .app-sidebar.sidebar-open {
        transform: translateX(0);
    }

    .app-sidebar-header {
        padding: 0 16px 16px;
    }

    .app-layout {
        flex-direction: column;
    }

    .app-sidebar .sidebar-toggle {
        display: block;
    }

    .theme-toggle {
        display: none !important;
    }

    .mobile-header .mobile-theme-toggle {
        display: flex !important;
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .app-main { padding: 20px 16px 60px; }
    .page-grid { grid-template-columns: 1fr !important; gap: 20px; }
    .wallet-actions { grid-template-columns: repeat(2, 1fr); }
    .wallet-balance { font-size: 28px; }
    .card { padding: 16px; }
    .status-bar { font-size: 10px; gap: 12px; }
}

/* QR code box */
.qr-box {
    display: inline-block;
    padding: 16px;
    background: #fff;
}

/* Scanner video preview */
.scanner-preview {
    width: 100%;
    max-width: 320px;
    border: 1px solid var(--border);
}

/* Contact cards */
.contact-card {
    transition: border-color 0.15s;
}

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

.contact-card-name {
    font-weight: 600;
    font-size: 14px;
}

.contact-card .wallet-actions {
    grid-template-columns: repeat(3, auto);
    justify-content: start;
}

.contact-card .btn-contact-delete {
    color: var(--error);
    border-color: var(--error);
}

/* Contact picker (send page inline dropdown) */
.contact-pick {
    padding: 10px 12px;
    border: 1px solid var(--border);
    margin-bottom: 4px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.15s;
}

.contact-pick:hover {
    border-color: var(--accent);
}

.contact-pick-name {
    font-weight: 500;
    font-size: 13px;
}

/* Transaction history */
.wallet-history {
    margin-top: 32px;
}

.wallet-history h2 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.tx-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    color: var(--text);
    text-decoration: none;
    transition: opacity 0.1s;
}

.tx-item:hover {
    opacity: 0.7;
}

.tx-type {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 3px;
    margin-right: 8px;
    background: var(--border-light);
    color: var(--text-secondary);
}

.tx-type-deposit { color: var(--success); background: rgba(61, 187, 61, 0.1); }
.tx-type-withdraw { color: var(--error); background: rgba(238, 68, 68, 0.1); }
.tx-type-transfer { color: var(--text-secondary); }

.tx-label {
    font-size: 13px;
}

.tx-hash {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-tertiary);
}

/* Proposal type toggle */
.proposal-type-btn {
    opacity: 0.5;
    font-size: 12px;
}
.proposal-type-btn.active {
    opacity: 1;
    border-color: var(--accent);
}

/* Treasury */
.treasury-card {
    display: block;
    margin-bottom: 12px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s;
}
.treasury-card:hover {
    border-color: var(--text-secondary);
}
.treasury-name {
    font-weight: 600;
    font-size: 14px;
}
.treasury-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}
.signer-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}
.signer-label {
    color: var(--text-secondary);
}
.proposal-card {
    margin-bottom: 12px;
}
.proposal-status {
    display: inline-block;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.proposal-status-pending {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
}
.proposal-status-ready {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
}
.proposal-status-executed {
    background: rgba(158, 158, 158, 0.15);
    color: var(--text-secondary);
}
.proposal-status-cancelled {
    background: rgba(244, 67, 54, 0.1);
    color: var(--error);
}
.approval-count {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Status bar */
.status-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    font-size: 11px;
    font-family: var(--mono);
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    z-index: 200;
    overflow: hidden;
}
.status-bar span {
    white-space: nowrap;
}
.status-bar .sb-ok { color: var(--text-secondary); }
.status-bar .sb-warn { color: #b58a00; }
.status-bar .sb-err { color: var(--error); }
.status-bar .sb-clickable { color: var(--text-secondary); cursor: pointer; }
.status-bar .sb-clickable:hover { color: var(--text-primary); }

/* Status bar responsive — hide less important items on narrow screens */
@media (max-width: 1100px) {
    .status-bar { gap: 12px; font-size: 10px; }
    #sb-backend { display: none; }
}
@media (max-width: 900px) {
    .status-bar { gap: 10px; }
    #sb-network { display: none; }
    #sb-address { display: none; }
}
@media (max-width: 768px) {
    .status-bar { gap: 8px; font-size: 10px; padding: 0 8px; }
    #sb-backend, #sb-network, #sb-address { display: none; }
}