:root {
    --primary-color: #16a34a;
    /* Green 600 */
    --primary-hover: #15803d;
    /* Green 700 */
    --secondary-color: #64748b;
    --danger-color: #ef4444;
    --bg-color: #f3f4f6;
    --text-color: #1f2937;
    --heading-color: #111827;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;

    /* Semantic colors */
    --positive-bg: #d1fae5;
    --positive-text: #065f46;
    --negative-bg: #fee2e2;
    --negative-text: #991b1b;
    --success-bg: #dcfce7;
    --success-text: #166534;
    --focus-glow: rgba(22, 163, 74, 0.1);

    /* Sidebar (purple) */
    --sidebar-bg: #5b21b6;
    --sidebar-text: #ede9fe;
    --sidebar-heading: #c4b5fd;
    --sidebar-hover: rgba(255, 255, 255, 0.08);
    --sidebar-active-bg: rgba(255, 255, 255, 0.15);
    --sidebar-active-text: #ffffff;
    --sidebar-active-border: #a78bfa;
    --sidebar-border: #7c3aed;
    --sidebar-input-bg: #4c1d95;
}

[data-theme='dark'] {
    --primary-color: #4ade80;
    /* Green 400 */
    --primary-hover: #22c55e;
    /* Green 500 */
    --secondary-color: #a1a1b8;
    --danger-color: #ef4444;
    --bg-color: #1a0f2e;
    /* Deep purple bg */
    --text-color: #e2ddf0;
    --heading-color: #f3f0f9;
    --card-bg: #241745;
    /* Dark purple card */
    --border-color: #3d2560;

    /* Semantic colors */
    --positive-bg: rgba(74, 222, 128, 0.15);
    --positive-text: #86efac;
    --negative-bg: rgba(239, 68, 68, 0.15);
    --negative-text: #fca5a5;
    --success-bg: rgba(74, 222, 128, 0.15);
    --success-text: #86efac;
    --focus-glow: rgba(74, 222, 128, 0.15);

    --sidebar-bg: #3b0764;
    --sidebar-text: #e9d5ff;
    --sidebar-heading: #c084fc;
    --sidebar-hover: rgba(255, 255, 255, 0.06);
    --sidebar-active-bg: rgba(255, 255, 255, 0.12);
    --sidebar-active-text: #ffffff;
    --sidebar-input-bg: #2e1065;
    --sidebar-border: #6b21a8;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

/* Header */
.main-header {
    background: var(--sidebar-bg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    color: var(--sidebar-text);
}

.main-header .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--sidebar-text);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.main-header .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
}

nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

nav .btn-sm {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    line-height: 1;
}

nav a:hover {
    filter: brightness(0.95);
}

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    line-height: 1;
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    min-width: 240px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: 0.25rem 0;
    white-space: nowrap;
}

.nav-dropdown.open .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-family: inherit;
    transition: background 0.15s;
}

.nav-dropdown-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.nav-dropdown-item:hover {
    background: var(--bg-color);
}

button.nav-dropdown-item {
    width: 100%;
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
}

.nav-dropdown-item-danger {
    color: var(--danger-color);
}

.nav-dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.25rem 0;
}

/* Main Content */
main {
    flex: 1;
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Auth Forms */
.auth-container {
    max-width: 400px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--heading-color);
}

.auth-form .form-group {
    margin-bottom: 1rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.auth-form input,
.auth-form select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    background: var(--card-bg);
    color: var(--text-color);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--focus-glow);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    filter: brightness(0.95);
}

.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
}

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

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Alerts */
.btn-icon {
    transition: transform 0.1s;
}

.btn-icon:hover {
    transform: scale(1.1);
}

.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    background: var(--negative-bg);
    color: var(--negative-text);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

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

.stat-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat-card h3 {
    font-size: 0.9rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading-color);
}

.stat-card.income .value {
    color: var(--primary-color);
}

.stat-card.expense .value {
    color: var(--danger-color);
}

.card {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin: 12px;
    /* Standard margin as requested */
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    color: var(--heading-color);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

/* Tables */
.transactions-table {
    width: 100%;
    border-collapse: collapse;
}

.transactions-table th,
.transactions-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.transactions-table th {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Badges */
.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-income {
    background: var(--positive-bg);
    color: var(--positive-text);
}

.badge-expense {
    background: var(--negative-bg);
    color: var(--negative-text);
}

.badge-positive {
    background: var(--positive-bg);
    color: var(--positive-text);
}

.badge-negative {
    background: var(--negative-bg);
    color: var(--negative-text);
}

.list-group {
    display: flex;
    flex-direction: column;
}

/* ===== 3-Column App Layout ===== */
.app-layout {
    display: flex;
    flex: 1;
    min-height: 0;
}

/* Sidebar */
.sidebar {
    width: 300px;
    min-width: 300px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 0 0 1rem;
    overflow-y: auto;
    border-right: none;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1100;
    transform: translateX(0);
    transition: transform 0.3s ease;
}

/* Sidebar brand */
.sidebar-brand {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--sidebar-border);
    margin-bottom: 0.5rem;
}

.sidebar-logo {
    font-weight: 700;
    font-size: 1.35rem;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: -0.01em;
}

/* Sidebar user menu */
.sidebar-user-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    margin: 0 0.75rem 0.5rem;
    border-radius: 0.375rem;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--sidebar-text);
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    width: calc(100% - 1.5rem);
    text-align: left;
    transition: background 0.15s;
}

.sidebar-user-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
}

.sidebar-user-toggle svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.sidebar-user-toggle .chevron {
    margin-left: auto;
    transition: transform 0.2s;
}

.sidebar-user-toggle.open .chevron {
    transform: rotate(180deg);
}

.sidebar-user-menu {
    display: none;
    padding: 0 0.75rem 0.25rem;
    margin-bottom: 0.25rem;
}

.sidebar-user-menu.open {
    display: block;
}

.sidebar-user-menu-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.8rem;
    border-radius: 0.375rem;
    transition: background 0.15s;
    border: none;
    background: none;
    cursor: pointer;
    width: 100%;
    font-family: inherit;
    text-align: left;
}

.sidebar-user-menu-item svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.sidebar-user-menu-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.sidebar-section {
    padding: 0 0.75rem;
}

.sidebar-heading {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sidebar-heading);
    padding: 0.5rem 0.75rem;
    margin: 0;
}

.sidebar-heading-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    border-radius: 0.5rem;
}

.sidebar-heading-toggle:hover {
    background: var(--sidebar-hover);
}

.sidebar-heading-toggle .chevron {
    margin-left: auto;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--sidebar-text);
    transition: transform 0.2s;
}

.sidebar-heading-toggle.collapsed .chevron {
    transform: rotate(180deg);
}

.sidebar-collapsible {
    overflow: hidden;
    max-height: 500px;
    transition: max-height 0.3s ease;
}

.sidebar-collapsible.collapsed {
    max-height: 0;
}

.sidebar-divider {
    height: 1px;
    background: var(--sidebar-border);
    margin: 0.75rem 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: 0.375rem;
    transition: background 0.15s;
    border-left: 3px solid transparent;
}

.sidebar-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.sidebar-item:hover {
    background: var(--sidebar-hover);
}

.sidebar-item.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active-text);
    border-left-color: var(--sidebar-active-border);
    font-weight: 600;
}

.sidebar-item-static {
    cursor: default;
}

.sidebar-item-static:hover {
    background: transparent;
}

/* Sidebar account balance badge */
.sidebar-balance {
    margin-left: auto;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 1rem;
    background: rgba(22, 163, 74, 0.15);
    color: #86efac;
}

[data-theme='dark'] .sidebar-balance {
    background: rgba(74, 222, 128, 0.15);
    color: #86efac;
}

.sidebar-balance.negative {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

/* Sidebar inline forms */
.sidebar-add-form {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    margin-top: 0.25rem;
}

.sidebar-input {
    flex: 1;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--sidebar-border);
    border-radius: 0.375rem;
    font-size: 0.8rem;
    background: var(--sidebar-input-bg);
    color: var(--sidebar-text);
    font-family: inherit;
    min-width: 0;
}

.sidebar-input:focus {
    outline: none;
    border-color: var(--sidebar-active-text);
}

.sidebar-input::placeholder {
    color: var(--sidebar-heading);
}

.sidebar-select {
    padding: 0.35rem 0.25rem;
    border: 1px solid var(--sidebar-border);
    border-radius: 0.375rem;
    font-size: 0.75rem;
    background: var(--sidebar-input-bg);
    color: var(--sidebar-text);
    font-family: inherit;
    max-width: 80px;
}

.sidebar-add-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 0.375rem;
    background: var(--sidebar-hover);
    color: var(--sidebar-text);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s;
}

.sidebar-add-btn:hover {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active-text);
}

/* Main content area (middle + right) */
.app-main {
    flex: 1;
    min-width: 0;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    margin-left: 300px;
    transition: margin-left 0.3s ease;
}

.content-area {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    max-width: 1400px;
}

.content-middle {
    min-width: 0;
}

.content-right {
    min-width: 0;
}

.right-panel-backdrop {
    display: none;
}

/* Cards inside app layout should not have extra margin */
.app-main .card {
    margin: 0;
    margin-bottom: 1rem;
}

/* Sidebar open/close buttons */
.sidebar-toggle,
.sidebar-close {
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0.75rem;
    z-index: 1101;
    width: 36px;
    height: 56px;
    border-radius: 0 0.5rem 0.5rem 0;
    cursor: pointer;
    padding: 0;
    border: none;
}

.sidebar-toggle {
    display: none;
    left: 0;
    background: var(--sidebar-border);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-left: none;
    color: var(--sidebar-text);
}

.sidebar-close {
    display: flex;
    left: 300px;
    background: var(--sidebar-border);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-left: none;
    color: var(--sidebar-text);
    transition: left 0.3s ease, opacity 0.3s ease;
}

/* Desktop: collapsed sidebar */
body.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
}

body.sidebar-collapsed .sidebar-close {
    left: 0;
    opacity: 0;
    pointer-events: none;
}

body.sidebar-collapsed .sidebar-toggle {
    display: flex;
}

body.sidebar-collapsed .app-main {
    margin-left: 0;
}

body.sidebar-collapsed .content-area {
    max-width: 100%;
}

/* Plan summary: mobile version hidden on desktop, desktop version hidden on mobile */
.plan-summary-mobile {
    display: none;
}

/* Mobile-only trigger for right panel drawer (hidden on desktop) */
.right-panel-mobile-trigger {
    display: none;
}

/* Right panel close button (hidden on desktop) */
.right-panel-close {
    display: none;
}

/* ===== Tablet/Mobile: right column as drawer ===== */
@media (max-width: 1023px) {
    .content-area {
        grid-template-columns: 1fr;
    }
    .plan-summary-mobile {
        display: block;
    }
    .plan-summary-card {
        display: none !important;
    }
    .content-right {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 80vw;
        z-index: 1100;
        background: var(--card-bg);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        padding: 1rem;
        box-shadow: none;
    }
    .content-right.open {
        transform: translateX(0);
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
    }
    .right-panel-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1099;
    }
    body.right-panel-open .right-panel-backdrop {
        display: block;
    }
    .right-panel-close {
        display: none;
        align-items: center;
        justify-content: center;
        position: fixed;
        top: 0.75rem;
        right: 80vw;
        z-index: 1101;
        width: 36px;
        height: 56px;
        border-radius: 0.5rem 0 0 0.5rem;
        cursor: pointer;
        padding: 0;
        border: 1px solid var(--border-color);
        border-right: none;
        background: var(--card-bg);
        color: var(--secondary-color);
        transition: right 0.3s ease;
    }
    .right-panel-close svg {
        width: 18px;
        height: 18px;
    }
    .right-panel-close:hover {
        background: var(--bg-color);
        color: var(--text-color);
    }
    body.right-panel-open .right-panel-close {
        display: flex;
    }
    .right-panel-inline-close {
        display: none !important;
    }
    .right-panel-mobile-trigger {
        display: inline-flex;
        align-items: center;
    }

    /* Sidebar: auto-collapse as drawer on tablet */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
    }
    .app-main {
        margin-left: 0;
    }
    .sidebar-close {
        display: none;
    }
    .sidebar-toggle {
        display: flex;
    }
    body.sidebar-open .sidebar-close {
        display: flex;
        left: 300px;
        opacity: 1;
        pointer-events: auto;
    }
    body.sidebar-open .sidebar-toggle {
        display: none;
    }
    body.sidebar-open::after {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1099;
    }
}

/* ===== Mobile: extra overrides ===== */
@media (max-width: 767px) {
    .app-main {
        padding: 1rem;
    }
}

/* Account management */
.account-manage-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.account-manage-item:last-child {
    border-bottom: none;
}

.account-manage-item.editing {
    background: var(--bg-color);
}

.account-manage-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.account-manage-name {
    font-weight: 600;
    color: var(--heading-color);
}

.account-manage-type {
    font-size: 0.8rem;
    color: var(--secondary-color);
}

.account-manage-actions {
    display: flex;
    gap: 0.25rem;
    margin-left: auto;
}

.account-manage-actions .btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 0;
}

.account-manage-actions .btn-icon svg {
    width: 20px;
    height: 20px;
}

.account-manage-actions .btn-icon:hover {
    background: var(--border-color);
    color: var(--text-color);
    transform: none;
}

.account-manage-actions .btn-icon-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Account type inputs */
.type-input {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    background: var(--card-bg);
    color: var(--text-color);
    font-family: inherit;
    padding: 0.75rem;
    outline: none;
}

.type-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--focus-glow);
}

.account-manage-form-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.account-delete-form {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: var(--bg-color);
    border-radius: 0.5rem;
}

/* Plan month picker inline */
.plan-month-picker {
    border: none;
    background: transparent;
    color: var(--heading-color);
    font-size: inherit;
    font-weight: inherit;
    font-family: inherit;
    padding: 0.1rem 0.25rem;
    border-bottom: 2px solid var(--border-color);
    border-radius: 0;
    cursor: pointer;
    outline: none;
}

.plan-month-picker:focus {
    border-bottom-color: var(--primary-color);
}

/* Plan table compact rows */
.plan-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.plan-table {
    min-width: 500px;
}

.plan-table th,
.plan-table td {
    padding: 0.5rem 1rem;
    white-space: nowrap;
    text-align: right;
}

.plan-table td {
    font-size: 0.875rem;
}

.plan-table td .badge {
    font-size: 0.875rem;
}

.plan-assign-input {
    width: 80px;
    border: none;
    border-bottom: 2px solid var(--border-color);
    border-radius: 0;
    background: transparent;
    color: var(--heading-color);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    padding: 0.1rem 0.25rem;
    text-align: right;
    outline: none;
}

.plan-assign-input:focus {
    border-bottom-color: var(--primary-color);
}

.plan-table th:first-child,
.plan-table td:first-child {
    text-align: left;
}

.plan-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.plan-table td:first-child {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Drag handle */
.drag-handle {
    cursor: grab;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    opacity: 0.4;
    transition: opacity 0.15s;
}

.drag-handle:hover {
    opacity: 1;
}

.drag-handle svg {
    width: 16px;
    height: 16px;
}

#plan-tbody tr.dragging {
    opacity: 0.5;
    background: var(--bg-color);
}

#plan-tbody tr.active-notes {
    background: var(--bg-color);
}

/* Clickable rows */
.plan-row-clickable {
    cursor: pointer;
}

.plan-row-clickable:hover {
    background: var(--bg-color);
}

/* Section heading rows */
.plan-heading-row {
    background: var(--bg-color);
    border-top: 2px solid var(--border-color);
}

.plan-heading-row td {
    font-weight: 700;
    color: var(--heading-color);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.plan-heading-row .heading-name {
    font-weight: 700;
    font-size: 0.925rem;
    color: var(--heading-color);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.plan-heading-row .heading-name:hover {
    color: var(--primary-color);
}

/* Income section heading */
.plan-income-heading {
    background: var(--bg-color);
    border-top: 2px solid var(--border-color);
    cursor: pointer;
}

.plan-income-heading:hover {
    background: var(--bg-color);
}

.plan-income-heading td {
    font-weight: 700;
    color: var(--heading-color);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.plan-income-heading .heading-name {
    font-weight: 700;
    font-size: 0.925rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Income category rows */
.plan-income-row td {
    color: var(--secondary-color);
}

/* Archived category rows */
.plan-archived-row {
    opacity: 0.65;
}

.plan-archived-row:hover {
    opacity: 1;
}

/* Child category rows (indent the name, not the drag handle) */
.plan-child-row td:first-child .category-name-link,
.plan-child-row td:first-child .heading-name {
    padding-left: 1rem;
}

/* Category name link */
.category-name-link {
    color: var(--text-color);
    text-decoration: none;
}

.category-name-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Category detail card */
.cat-name-input {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--heading-color);
    font-size: 1.25rem;
    font-weight: 700;
    padding: 0.1rem 0.25rem;
    border-bottom: 2px solid var(--border-color);
    border-radius: 0;
    cursor: pointer;
    outline: none;
    font-family: inherit;
}

.cat-name-input:focus {
    border-bottom-color: var(--primary-color);
}

.cat-name-input::placeholder {
    color: var(--secondary-color);
}

.cat-detail-table {
    width: 100%;
    border-collapse: collapse;
    text-align: center;
}

.cat-detail-table th {
    font-size: 0.7rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: 0.5rem 0.25rem 0.25rem;
    border-bottom: 1px solid var(--border-color);
}

.cat-detail-table td {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--heading-color);
    padding: 0.35rem 0.25rem 0.5rem;
}

/* Notes editor */
.notes-scroll-area {
    max-height: 70vh;
    overflow-y: auto;
}

.notes-toolbar {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0.5rem;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 10;
}

.notes-toolbar button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-color);
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0;
}

.notes-toolbar button:hover {
    background: var(--border-color);
}

.notes-toolbar button svg {
    width: 18px;
    height: 18px;
}

.notes-toolbar-divider {
    width: 1px;
    height: 28px;
    background: var(--border-color);
    margin: 0 4px;
}

.notes-editor {
    min-height: 200px;
    padding: 0.75rem 1rem;
    outline: none;
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.6;
}

.notes-editor h1 { font-size: 1.5rem; margin: 0.5rem 0; }
.notes-editor h2 { font-size: 1.25rem; margin: 0.5rem 0; }
.notes-editor h3 { font-size: 1.1rem; margin: 0.5rem 0; }
.notes-editor p { margin: 0.25rem 0; }
.notes-editor ul,
.notes-editor ol { padding-left: 1.5rem; margin: 0.25rem 0; }

/* Calculator */
.calc-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    width: 260px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.calc-modal-open {
    display: block;
}

@media (max-width: 768px) {
    .calc-modal {
        width: 100%;
        max-width: 100%;
        bottom: 0;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        border-radius: 1rem 1rem 0 0;
        border-bottom: none;
    }
    .calc-modal #calc-titlebar {
        cursor: default;
        border-radius: 1rem 1rem 0 0;
    }
    .calc-btn {
        padding: 0.85rem 0;
        font-size: 1.15rem;
    }
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.35rem;
}
.calc-btn {
    padding: 0.6rem 0;
    font-size: 1.05rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.1s;
    font-family: 'Inter', sans-serif;
}
.calc-btn:hover {
    background: var(--bg-color);
}
.calc-btn:active {
    transform: scale(0.95);
}
.calc-btn-op {
    background: var(--bg-color);
    color: var(--primary-color);
    font-weight: 700;
}
.calc-btn-fn {
    background: var(--bg-color);
    color: var(--secondary-color);
    font-weight: 600;
}
.calc-btn-eq {
    background: var(--primary-color);
    color: white;
    font-weight: 700;
    border-color: var(--primary-color);
}
.calc-btn-eq:hover {
    background: var(--primary-hover);
}