/* Base Resets and Variables */
:root {
    --bg-color: #F8FAFC; /* Slate 50 */
    --bg-panel: #FFFFFF;
    --bg-hover: #F1F5F9;
    --bg-active: #E0F2FE;
    --sidebar-bg: #1E293B; /* Slate 800 */
    --sidebar-text: #F8FAFC;
    --sidebar-hover: #334155;
    --header-bg: #FFFFFF;
    
    --border-color: #E2E8F0; /* Slate 200 */
    --border-focus: #3B82F6;
    
    --text-main: #334155; /* Slate 700 */
    --text-muted: #64748B; /* Slate 500 */
    --text-light: #94A3B8; /* Slate 400 */
    --text-inverse: #FFFFFF;
    
    --primary-blue: #3B82F6; /* Blue 500 */
    --primary-blue-hover: #2563EB;
    
    --color-success: #10B981;
    --color-success-bg: #D1FAE5;
    --color-danger: #EF4444;
    --color-danger-bg: #FEE2E2;
    --color-warning: #FBBF24;
    --color-warning-text: #B45309; /* Amber 700 - for inline warning text */
    --color-foreign-currency: #8B5CF6; /* Violet 500 - for foreign currency amounts */
    
    --active-tab-bg: var(--bg-panel);
    --inactive-tab-bg: var(--bg-hover);
    --tab-border: #CBD5E1; /* Slate 300 */
    --ledger-grid: 80px 80px 50px 2fr 1.5fr 100px 100px 100px 50px;
    
    /* Dynamic Font Sizes */
    --tree-font-size: 14px;
    --ledger-font-size: 13px;
    --amount-font-family: inherit;
    --amount-font-variant: tabular-nums;
}

[data-theme="dark"] {
    --bg-color: #0F172A; /* Slate 900 */
    --bg-panel: #1E293B; /* Slate 800 */
    --bg-hover: #334155; /* Slate 700 */
    --bg-active: #1E3A8A; /* Blue 900 */
    --sidebar-bg: #0B1120;
    --sidebar-text: #F8FAFC;
    --sidebar-hover: #1E293B;
    --header-bg: #1E293B;
    
    --border-color: #334155; /* Slate 700 */
    --border-focus: #60A5FA; /* Blue 400 */
    
    --text-main: #F8FAFC; /* Slate 50 */
    --text-muted: #94A3B8; /* Slate 400 */
    --text-light: #64748B; /* Slate 500 */
    --text-inverse: #0F172A;
    
    --primary-blue: #3B82F6;
    --primary-blue-hover: #60A5FA;
    
    --color-success: #34D399; /* Emerald 400 */
    --color-success-bg: #064E3B; /* Emerald 900 */
    --color-danger: #F87171; /* Red 400 */
    --color-danger-bg: #7F1D1D; /* Red 900 */
    --color-warning: #FBBF24;
    --color-warning-text: #FCD34D; /* Amber 300 - brighter for dark mode */
    --color-foreign-currency: #A78BFA; /* Violet 400 - brighter for dark mode */
    
    --active-tab-bg: var(--bg-panel);
    --inactive-tab-bg: #0F172A;
    --tab-border: var(--border-color);
}

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

/* Global button reset: strips browser-native appearance (bevels, platform shapes)
   so that border-radius and custom inline styles work correctly everywhere. */
button {
    -webkit-appearance: none;
    appearance: none;
    font-family: inherit;
    font-size: inherit;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
}

/* App Grid Layout */
.app-container {
    display: grid;
    grid-template-columns: 100px 1fr;
    height: calc(100vh - 30px);
    overflow: hidden;
}

/* Global Sidebar */
.global-sidebar li a:hover {
    background-color: var(--sidebar-hover);
    color: var(--sidebar-text);
}
.global-sidebar {
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    scrollbar-width: none; /* Firefox */
}

.global-sidebar::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.global-sidebar .logo {
    padding: 0;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    aspect-ratio: 2 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.global-sidebar .logo .logo-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.global-sidebar .logo:hover .logo-bg {
    transform: scale(1.1);
}

.global-sidebar .logo .logo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.55));
    z-index: 1;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.global-sidebar .logo:hover .logo-overlay {
    opacity: 0.95;
}

.main-nav ul {
    list-style: none;
}

.main-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 5px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    transition: background 0.2s;
    text-align: center;
}

.main-nav a:hover {
    background-color: var(--sidebar-hover);
}

/* Main Wrapper */
.main-wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header */
.app-header {
    background-color: var(--header-bg);
    height: 60px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.breadcrumbs {
    font-weight: bold;
    color: var(--primary-blue);
}

/* Tab Bar */
.tab-bar {
    display: flex;
    background-color: var(--inactive-tab-bg);
    padding: 10px 10px 0 10px;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.sidebar-badge {
    background-color: var(--text-muted);
    color: var(--text-inverse);
    padding: 2px 6px;
    margin-right: 5px;
    border-radius: 5px 5px 0 0;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.tab {
    background-color: var(--tab-border);
    padding: 8px 15px;
    margin-right: 5px;
    border-radius: 5px 5px 0 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    transition: background-color 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.tab:hover {
    background-color: var(--text-light);
}

.ledger-row.active {
    background: var(--bg-active) !important;
    box-shadow: inset 4px 0 0 0 var(--border-focus);
}

.ledger-row.last-added-row {
    box-shadow: inset 4px 0 0 0 var(--color-success);
}

.ledger-row.active.last-added-row {
    box-shadow: inset 4px 0 0 0 var(--border-focus), inset 8px 0 0 0 var(--color-success);
}

.tab.active {
    background-color: var(--active-tab-bg);
    border: 1px solid var(--border-color);
    border-bottom: 1px solid var(--active-tab-bg); /* overlap bottom border */
    margin-bottom: -1px;
    font-weight: bold;
}

.tab.active:hover {
    background-color: var(--active-tab-bg); /* override hover when active */
}

.close-tab {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
}

.close-tab:hover {
    color: var(--color-danger);
}

/* Main Content Area */
.tree-row.over-budget .tree-balance {
    color: var(--color-danger);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--active-tab-bg);
    position: relative;
}

/* Local Sidebar (e.g. for Ledger) */
.view-container {
    position: absolute;
    top: 0; bottom: 0; left: 0; right: 0;
    display: grid;
    grid-template-columns: 250px 1fr;
    overflow: hidden;
}

.local-sidebar {
    background: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 15px 15px 40px 15px;
    user-select: none;
}

.local-sidebar h3 {
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.local-sidebar ul {
    list-style: none;
}

.local-sidebar li {
    padding: 8px;
    cursor: pointer;
    border-radius: 4px;
}

.local-sidebar li:hover {
    background-color: var(--bg-color);
}

.main-work-area {
    overflow-y: auto;
    overflow-x: auto;
    background: var(--bg-panel);
    padding: 30px;
}

/* Dropdown component */
.dropdown-container {
    position: relative;
    width: 100%;
}

.dropdown-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    outline: none;
}

.dropdown-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.dropdown-list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 200%;
    max-height: 200px;
    overflow-y: auto;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 4px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    z-index: 50;
    list-style: none;
}

.dropdown-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}

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

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

.dropdown-item-path {
    color: var(--text-muted);
    font-size: 12px;
}
.dropdown-item-name {
    font-weight: 500;
}

/* Grid Inputs */
.grid-input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 13px;
    outline: none;
    background: transparent;
    font-family: inherit;
}

.grid-input:focus, .grid-input:hover {
    border-color: var(--border-color);
    background: var(--bg-hover);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.grid-input.invalid-date {
    border-color: var(--color-danger) !important;
    background-color: var(--color-danger-bg) !important;
}

.grid-input.date-error {
    border-color: var(--color-danger) !important;
}

.grid-input.date-warning {
    border-color: #eab308 !important; /* Yellow-500 */
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-panel);
    padding: 20px;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.form-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    background-color: var(--bg-panel);
    color: var(--text-main);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.grid-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.2);
}

/* Ledger Grid Rows */
.ledger-row {
    display: grid;
    grid-template-columns: var(--ledger-grid);
    padding: 10px;
    gap: 10px;
    background-color: var(--bg-panel);
}

.ledger-row.header {
    background-color: var(--bg-hover);
    font-weight: bold;
    font-size: var(--ledger-font-size, 13px);
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.ledger-row.entry-row {
    border-bottom: 3px solid var(--border-color);
    transition: background-color 0.5s ease;
}

.ledger-row.success {
    background-color: var(--color-success-bg) !important;
    transition: background-color 0.1s ease-in;
}

.ledger-row.data-row {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 1.5s ease-out;
    padding: 6px 10px;
    gap: 4px 10px;
}

.ledger-row.data-row.zebra-row {
    background-color: var(--bg-hover);
}

.ledger-row.data-row.active {
    border-left: 4px solid var(--primary-blue);
    padding-left: 6px;
}

/* Column Resizer */
.col-resizer {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 10px;
    cursor: col-resize;
    z-index: 10;
    transition: background-color 0.2s;
}
.col-resizer.right {
    right: -5px;
}
.col-resizer.left {
    left: -5px;
}
.col-resizer:hover {
    background-color: var(--primary-blue);
    opacity: 0.3;
}

/* Top Menu Bar */
.top-menu-bar {
    height: 30px;
    background: var(--bg-panel);
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}
.menu-item {
    position: relative;
    padding: 5px 10px;
    cursor: default;
    user-select: none;
}
.menu-item:hover {
    background: var(--bg-hover);
}
.menu-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    min-width: 270px;
    display: none;
    z-index: 1000;
}
.menu-item:hover .menu-dropdown {
    display: block;
}
.menu-dropdown a {
    display: block;
    padding: 8px 15px;
    color: var(--text-main);
    text-decoration: none;
}
.menu-dropdown a:hover {
    background: var(--bg-hover);
}

/* ==========================================================================
   Login, Recovery, and Password Reset (Glassmorphic Premium Style)
   ========================================================================== */
.login-screen-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 10% 20%, #0f172a 0%, #1e293b 90%);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(16px) saturate(190%);
    -webkit-backdrop-filter: blur(16px) saturate(190%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 
                0 0 40px rgba(59, 130, 246, 0.1);
    color: #e2e8f0;
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h2 {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, #93c5fd, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    letter-spacing: -0.025em;
}

.login-header p {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.5;
}

.login-form-group {
    margin-bottom: 20px;
}

.login-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #cbd5e1;
    margin-bottom: 8px;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.login-input {
    width: 100%;
    background: rgba(15, 23, 42, 0.45);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 15px;
    color: #ffffff;
    outline: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.login-input:focus {
    border-color: #3b82f6;
    background: rgba(15, 23, 42, 0.6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.login-input::placeholder {
    color: #475569;
}

.login-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    margin-bottom: 24px;
}

.login-row a {
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.15s ease;
    font-weight: 500;
}

.login-row a:hover {
    color: #93c5fd;
    text-decoration: underline;
}

/* Custom checkbox container */
.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 24px;
    cursor: pointer;
    user-select: none;
    color: #94a3b8;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 16px;
    width: 16px;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 4px;
    transition: all 0.15s ease;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: #3b82f6;
}

.checkbox-container input:checked ~ .checkmark {
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Buttons */
.login-btn {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(29, 78, 216, 0.4);
    filter: brightness(1.1);
}

.login-btn:active {
    transform: translateY(1px) scale(0.98);
}

.login-btn-secondary {
    flex: 1;
    background: rgba(71, 85, 105, 0.3);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 8px;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    color: #cbd5e1;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.login-btn-secondary:hover {
    background: rgba(71, 85, 105, 0.5);
    color: #ffffff;
}

/* Alert Boxes */
.login-error-box {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    padding: 12px 16px;
    color: #fca5a5;
    font-size: 13px;
    margin-bottom: 20px;
    line-height: 1.4;
}

.login-success-box {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 8px;
    padding: 12px 16px;
    color: #86efac;
    font-size: 13px;
    margin-bottom: 20px;
    line-height: 1.4;
}

.future-boundary { border-top: 3px solid var(--primary-blue) !important; }

/* Amount Font Styles */
input[type="number"],
.ledger-row > div:nth-child(6),
.ledger-row > div:nth-child(7),
.ledger-row > div:nth-child(8),
.journal-tree-row > div:nth-child(5),
.journal-flat-row > div:nth-child(5),
.grid-input,
.amount-cell {
    font-family: var(--amount-font-family, inherit) !important;
    font-variant-numeric: var(--amount-font-variant, tabular-nums) !important;
}