/* ============================================
   Tabela Aktywna — Modern Design + Animations
   ============================================ */

/* ---- Variables ---- */
:root {
    --bg: #f5f7fa;
    --card-bg: #ffffff;
    --text: #1a1a2e;
    --text-secondary: #5a5a7a;
    --text-light: #9a9ab0;
    --header-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --accent: #e17055;
    --accent-hover: #d35400;
    --accent-glow: rgba(225, 112, 85, 0.25);
    --yellow-bg: #fff7cc;
    --yellow-border: #f0c000;
    --yellow-bg-focus: #ffeb80;
    --border: #e6e8f0;
    --border-light: #f0f2f8;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
    --shadow-glow: 0 0 20px rgba(225, 112, 85, 0.15);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-bounce: cubic-bezier(0.34, 1.2, 0.64, 1);
    --transition: 0.35s var(--ease-smooth);
    --transition-fast: 0.2s var(--ease-smooth);
    --header-h: 96px;
}

/* ---- Reset ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html { height: 100%; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100%;
    display: flex;
    flex-direction: column;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Animation Keyframes
   ============================================ */

/* Card / panel entrance */
@keyframes fadeInUp {
    0%   { opacity: 0; transform: translateY(24px) scale(0.97); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* Simple fade */
@keyframes fadeIn {
    0%   { opacity: 0; }
    100% { opacity: 1; }
}

/* Dropdown slide */
@keyframes slideDown {
    0%   { opacity: 0; transform: translateY(-10px) scaleY(0.94); transform-origin: top center; }
    100% { opacity: 1; transform: translateY(0) scaleY(1); transform-origin: top center; }
}

/* Glow pulse for add button */
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
    50%      { box-shadow: 0 0 0 10px transparent; }
}

/* Row entrance — springy slide from left */
@keyframes rowEnter {
    0%   { opacity: 0; transform: translateX(-12px) scale(0.98); }
    100% { opacity: 1; transform: translateX(0) scale(1); }
}

/* Row added — bounce in */
@keyframes rowAdded {
    0%   { opacity: 0; transform: scale(0.92) translateY(-8px); }
    60%  { opacity: 1; transform: scale(1.02) translateY(2px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

/* Row removed — fade + slide out */
@keyframes rowRemoved {
    0%   { opacity: 1; transform: scale(1); max-height: 60px; }
    100% { opacity: 0; transform: scale(0.9) translateX(20px); max-height: 0; padding: 0; }
}

/* Summary slide up */
@keyframes summaryUp {
    0%   { opacity: 0; transform: translateY(12px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Gentle float for card */
@keyframes gentleFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-2px); }
}

/* Focus glow */
@keyframes focusGlow {
    0%   { box-shadow: 0 0 0 0 rgba(225, 112, 85, 0.3); }
    50%  { box-shadow: 0 0 0 6px rgba(225, 112, 85, 0.08); }
    100% { box-shadow: 0 0 0 3px var(--accent-glow); }
}

/* Spinner for loading */
@keyframes spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ---- Header ---- */
#appHeader {
    background: var(--header-bg);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background-size: 200% 200%;
    animation: headerShimmer 8s var(--ease-smooth) infinite alternate;
}

@keyframes headerShimmer {
    0%   { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.header-inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 12px 20px 10px;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    position: relative;
}

.header-top h1 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 60%, rgba(255,255,255,0.7));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Month Navigation ---- */
.month-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: white;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.35s var(--ease-smooth), transform 0.4s var(--ease-spring);
    flex-shrink: 0;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: scale(1.08);
}

.nav-btn:active {
    transform: scale(0.88);
    transition-duration: 0.1s;
}

.nav-center {
    display: flex;
    gap: 6px;
    align-items: center;
}

/* ---- Custom Select ---- */
.cs-container {
    position: relative;
}

.cs {
    position: relative;
}

.cs-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px 6px 14px;
    border-radius: var(--radius-sm);
    border: none;
    background: rgba(255, 255, 255, 0.10);
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: background 0.35s var(--ease-smooth), transform 0.3s var(--ease-spring);
    min-width: 100px;
    white-space: nowrap;
    outline: none;
}

.cs-trigger:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: scale(1.02);
}

.cs-trigger:active {
    transform: scale(0.96);
}

.cs-open .cs-trigger {
    background: rgba(255, 255, 255, 0.15);
}

.cs-value {
    text-align: center;
    white-space: nowrap;
}

.cs-arrow {
    display: flex;
    align-items: center;
    transition: transform var(--transition);
    opacity: 0.7;
}

.cs-open .cs-arrow {
    transform: rotate(180deg);
}

/* Dropdown menu */
.cs-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    min-width: 100%;
    background: #ffffff;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(-10px) scaleY(0.92);
    transform-origin: top center;
    pointer-events: none;
    transition: opacity 0.3s var(--ease-smooth), transform 0.35s var(--ease-spring);
    z-index: 200;
    max-height: 240px;
    overflow-y: auto;
    padding: 4px;
}

.cs-open .cs-menu {
    opacity: 1;
    transform: translateY(0) scaleY(1);
    pointer-events: auto;
}

/* Scrollbar for dropdown */
.cs-menu::-webkit-scrollbar { width: 4px; }
.cs-menu::-webkit-scrollbar-track { background: transparent; }
.cs-menu::-webkit-scrollbar-thumb { background: #d0d0d0; border-radius: 4px; }

.cs-option {
    padding: 8px 12px;
    border-radius: var(--radius-xs);
    font-size: 0.88rem;
    color: var(--text);
    cursor: pointer;
    transition: background 0.25s var(--ease-smooth), color 0.25s var(--ease-smooth), transform 0.2s var(--ease-spring);
    text-align: center;
    font-weight: 450;
    transform-origin: center;
}

.cs-option:hover {
    background: #f5f5f8;
    transform: scale(1.03);
}

.cs-option:active {
    transform: scale(0.96);
}

.cs-option.cs-selected {
    background: var(--accent);
    color: white;
    font-weight: 600;
}

.cs-option.cs-selected:hover {
    background: var(--accent-hover);
}

/* ---- Main Content ---- */
#mainContent {
    flex: 1;
    padding: 20px;
    width: 100%;
}

/* ---- Month Card ---- */
.month-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    animation: fadeInUp 0.5s var(--ease-smooth);
    transition: opacity 0.4s var(--ease-smooth), transform 0.4s var(--ease-smooth), box-shadow 0.4s var(--ease-smooth);
}

.month-card:hover {
    box-shadow: var(--shadow-lg);
}

.month-card.card-enter {
    animation: fadeInUp 0.5s var(--ease-smooth);
}

.card-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background: #fafbfc;
}

.card-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: -0.2px;
    flex-shrink: 0;
}

.card-header-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-clear-month {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: 500;
    font-family: var(--font);
    color: var(--text-light);
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
    white-space: nowrap;
}

.btn-clear-month:hover {
    color: #e74c3c;
    border-color: #e74c3c;
    background: rgba(231, 76, 60, 0.05);
}

.btn-clear-month:active {
    transform: scale(0.96);
}

/* ---- Table Wrapper ---- */
.table-wrapper {
    overflow: visible;
}

/* ---- Table ---- */
#entriesTable {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
}

/* Table header */
#entriesTable thead th {
    padding: 10px 8px;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    border-bottom: 2px solid var(--border);
    background: #f8f9fc;
    white-space: nowrap;
}
#entriesTable thead th.col-person {
    text-align: center;
}
#entriesTable thead th.col-person ~ th.col-person {
    border-left: 2px solid var(--border-light);
}

.col-lp {
    width: 32px;
    text-align: center !important;
}

.col-person {
    min-width: 180px;
    width: auto;
}
.col-person ~ .col-person {
    border-left: 2px solid var(--border-light);
}

/* ---- Cell Clear Button (×) inside person-cell ---- */
.cell-clear-btn {
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    min-height: 20px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s var(--ease-smooth), background 0.25s var(--ease-smooth), color 0.25s var(--ease-smooth);
    flex-shrink: 0;
    align-self: center;
    margin-top: 2px;
}

.person-cell:hover .cell-clear-btn {
    opacity: 0.4;
}

.person-cell:hover .cell-clear-btn:hover {
    opacity: 1;
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

.cell-clear-btn:active {
    transform: scale(0.85);
}

/* ---- Person Cell (date + amount + desc inline) ---- */
.person-cell {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 6px;
    width: 100%;
}

/* Responsive per-person date input (DD/MM/YYYY) */
.person-cell .person-date {
    flex: 0 1 120px;
    min-width: 90px;
    max-width: 160px;
    width: auto;
    font-size: 0.78rem;
    padding: 6px 4px;
    min-height: 38px;
    text-align: center;
    font-family: var(--font);
    color: var(--text-secondary);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-xs);
    background: transparent;
    transition: border-color 0.3s var(--ease-smooth), background 0.3s var(--ease-smooth);
    outline: none;
    letter-spacing: 0.3px;
}

.person-cell .person-date:hover {
    border-color: #d0d0dd;
    background: #fafbff;
}

.person-cell .person-date:focus {
    border-color: var(--accent);
    background: #fff8f6;
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.person-cell .cell-input.amount {
    flex: 0 1 130px;
    min-width: 85px;
    max-width: 180px;
    width: auto;
    font-size: 0.92rem;
    font-weight: 600;
    padding: 6px 10px;
    min-height: 38px;
    text-align: right;
    border-radius: var(--radius-xs);
    font-variant-numeric: tabular-nums;
    border: 1.5px solid var(--border-light);
    background: transparent;
    transition: border-color 0.3s var(--ease-smooth), background 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
}

.person-cell .cell-input.amount:hover {
    border-color: #d0d0dd;
    background: #fafbff;
}

.person-cell .cell-input.amount:focus {
    border-color: var(--accent);
    background: #fff8f6;
    box-shadow: 0 0 0 4px var(--accent-glow);
}

/* Description — clean, subtle border, expands to fill space */
.person-cell .cell-textarea {
    flex: 1;
    min-width: 60px;
    font-size: 0.85rem;
    padding: 6px 10px;
    min-height: 34px;
    line-height: 1.4;
    border-radius: var(--radius-xs);
    border: 1.5px solid var(--border-light);
    background: transparent;
    resize: none;
    overflow: hidden;
    font-family: var(--font);
    color: var(--text);
    transition: border-color 0.3s var(--ease-smooth), background 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
}

.person-cell .cell-textarea:hover {
    border-color: #d0d0dd;
    background: #fafbff;
}

.person-cell .cell-textarea:focus {
    border-color: var(--accent);
    background: #fff8f6;
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.person-cell .cell-textarea::placeholder {
    color: var(--text-light);
    font-style: italic;
    font-weight: 400;
    opacity: 0.6;
}

/* ---- Person Add Buttons (in card header) ---- */
.person-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.person-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: background 0.25s var(--ease-smooth), transform 0.3s var(--ease-spring);
    white-space: nowrap;
}

.person-add-btn:hover {
    transform: scale(1.05);
}

.person-add-btn:active {
    transform: scale(0.92);
}

.person-add-btn svg {
    display: block;
    flex-shrink: 0;
}

/* Per-person colors */
.person-add-btn--marcin  { background: #e8f4fd; color: #1976d2; }
.person-add-btn--hubert  { background: #fce4ec; color: #c62828; }
.person-add-btn--paulina { background: #f3e8fd; color: #7b1fa2; }
.person-add-btn--damian  { background: #e8f8e8; color: #2e7d32; }

.person-add-btn--marcin:hover  { background: #bbdefb; }
.person-add-btn--hubert:hover  { background: #f8bbd0; }
.person-add-btn--paulina:hover { background: #e1bee7; }
.person-add-btn--damian:hover  { background: #c8e6c9; }

@media (prefers-color-scheme: dark) {
    .person-add-btn--marcin  { background: #1a3344; color: #64b5f6; }
    .person-add-btn--hubert  { background: #3a1a24; color: #ef9a9a; }
    .person-add-btn--paulina { background: #2a1a3a; color: #ce93d8; }
    .person-add-btn--damian  { background: #1a2a1a; color: #81c784; }

    .person-add-btn--marcin:hover  { background: #2a4a5a; }
    .person-add-btn--hubert:hover  { background: #4a2a34; }
    .person-add-btn--paulina:hover { background: #3a2a4a; }
    .person-add-btn--damian:hover  { background: #2a3a2a; }
}

/* Table body rows */
#entriesTable tbody tr {
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    animation: rowEnter 0.45s var(--ease-smooth) both;
    transform-origin: left center;
}

/* Staggered animation delay for rows */
#entriesTable tbody tr:nth-child(1) { animation-delay: 0.03s; }
#entriesTable tbody tr:nth-child(2) { animation-delay: 0.05s; }
#entriesTable tbody tr:nth-child(3) { animation-delay: 0.07s; }
#entriesTable tbody tr:nth-child(4) { animation-delay: 0.09s; }
#entriesTable tbody tr:nth-child(5) { animation-delay: 0.11s; }
#entriesTable tbody tr:nth-child(6) { animation-delay: 0.13s; }
#entriesTable tbody tr:nth-child(7) { animation-delay: 0.15s; }
#entriesTable tbody tr:nth-child(8) { animation-delay: 0.17s; }
#entriesTable tbody tr:nth-child(9) { animation-delay: 0.19s; }
#entriesTable tbody tr:nth-child(10) { animation-delay: 0.21s; }

#entriesTable tbody tr:hover {
    background: #f6f7fb;
    transform: scale(1.002);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
}

/* Row added animation */
#entriesTable tbody tr.row-added {
    animation: rowAdded 0.5s var(--ease-spring) both;
}

/* Row removed animation */
#entriesTable tbody tr.row-removed {
    animation: rowRemoved 0.35s var(--ease-smooth) forwards;
    pointer-events: none;
}

#entriesTable tbody tr.row-active {
    background: #f0f2ff;
}

#entriesTable td {
    padding: 6px 6px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

#entriesTable td.col-lp {
    text-align: center;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.88rem;
    padding: 6px 4px;
}

/* ---- Cell Inputs ---- */
.cell-input {
    width: 100%;
    padding: 6px 8px;
    border: 1.5px solid transparent;
    border-radius: var(--radius-xs);
    font-size: 0.88rem;
    font-family: var(--font);
    background: transparent;
    transition: border-color 0.3s var(--ease-smooth), background 0.3s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth);
    outline: none;
    color: var(--text);
    min-height: 32px;
}

.cell-input:hover {
    background: #f6f7fb;
    transition-duration: 0.15s;
}

.cell-input:focus {
    border-color: var(--accent);
    background: #fff8f6;
    box-shadow: 0 0 0 4px var(--accent-glow);
    animation: focusGlow 0.4s var(--ease-smooth);
}

.cell-input.amount {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    font-size: 0.97rem;
}

/* Yellow highlight for positive amounts */
.cell-input.amount.positive {
    background: var(--yellow-bg);
    border-color: var(--yellow-border);
}

.cell-input.amount.positive:focus {
    background: var(--yellow-bg-focus);
    border-color: #d4a800;
    box-shadow: 0 0 0 4px rgba(240, 192, 0, 0.3);
}

.cell-input::placeholder {
    color: var(--text-light);
    font-style: italic;
    font-weight: 400;
    font-size: 0.8rem;
}

/* ---- Textarea ---- */
.cell-input.cell-textarea {
    resize: none;
    overflow: hidden;
    min-height: 36px;
    line-height: 1.45;
    padding: 6px 10px;
    display: block;
    width: 100%;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-size: 0.88rem;
}

.cell-input.cell-textarea::placeholder {
    font-style: italic;
    color: var(--text-light);
    font-size: 0.8rem;
}

#entriesTable td.col-person.person-empty {
    text-align: center;
    color: var(--text-light);
    font-size: 0.85rem;
    padding: 8px 4px;
}

/* ---- Summary Row (last row in table) ---- */
#entriesTable tbody tr.summary-row {
    background: #f0f2f8;
    border-top: 3px solid var(--border);
    border-bottom: 3px solid var(--border);
    font-weight: 700;
    position: relative;
}

#entriesTable tbody tr.summary-row td {
    border-bottom: none;
    padding: 12px 6px;
    font-size: 0.95rem;
}

#entriesTable tbody tr.summary-row td.col-person {
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
}

#entriesTable tbody tr.summary-row td.sum-pos {
    color: #27ae60;
}

#entriesTable tbody tr.summary-row td.sum-neg {
    color: #e74c3c;
}



/* ---- (row-level delete button removed — per-cell clear in person-cell) ---- */

/* ---- Empty State ---- */
.empty-row td {
    text-align: center;
    padding: 40px 20px !important;
    color: var(--text-light);
    font-style: italic;
    font-size: 0.9rem;
}

/* ---- Summary Below Table ---- */
/* ---- Custom Scrollbar (table wrapper) ---- */
.table-wrapper::-webkit-scrollbar { height: 6px; }
.table-wrapper::-webkit-scrollbar-track { background: transparent; }
.table-wrapper::-webkit-scrollbar-thumb { background: #d0d0d8; border-radius: 4px; }
.table-wrapper::-webkit-scrollbar-thumb:hover { background: #b0b0b8; }

/* ---- Responsive ---- */
/* ---- Compact table mode (820px–960px) ---- */
@media (max-width: 960px) and (min-width: 821px) {
    .col-person {
        min-width: 140px;
        border-left: none;
    }
    #entriesTable thead th.col-person {
        border-left: none;
    }
    .person-cell .person-date {
        flex: 0 1 90px;
        min-width: 70px;
        max-width: 110px;
        font-size: 0.72rem;
        padding: 4px 2px;
    }
    .person-cell .cell-input.amount {
        flex: 0 1 100px;
        min-width: 70px;
        max-width: 130px;
        font-size: 0.82rem;
        padding: 4px 8px;
    }
    .person-cell .cell-textarea {
        font-size: 0.78rem;
        padding: 4px 8px;
    }
}

@media (max-width: 640px) {
    .header-inner {
        padding: 10px 14px 8px;
    }

    .header-top h1 {
        font-size: 1rem;
    }

    .btn-add {
        width: 30px;
        height: 30px;
        font-size: 1.3rem;
    }

    .month-nav {
        gap: 4px;
        max-width: 100%;
        overflow: hidden;
    }

    .nav-center {
        max-width: 100%;
        overflow: hidden;
        flex: 1;
        min-width: 0;
    }

    .nav-center .cs-container {
        min-width: 0;
        max-width: 48%;
        flex-shrink: 1;
    }

    .nav-btn {
        width: 30px;
        height: 30px;
    }

    .nav-btn svg {
        width: 16px;
        height: 16px;
    }

    .cs-trigger {
        padding: 4px 8px;
        font-size: 0.82rem;
        min-width: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .cs-value {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    #monthSelectContainer .cs-trigger {
        min-width: 90px;
        width: 100%;
    }

    #yearSelectContainer .cs-trigger {
        min-width: 0;
        width: 100%;
    }

    .cs-menu {
        min-width: auto;
        left: auto;
        right: auto;
    }

    .cs-option {
        padding: 6px 10px;
        font-size: 0.82rem;
    }

    #mainContent {
        padding: 10px;
    }

    .card-header {
        padding: 12px 14px;
    }

    .card-header h2 {
        font-size: 0.85rem;
    }

    .btn-clear-month {
        font-size: 0.65rem;
        padding: 3px 7px;
    }

    .empty-row td {
        padding: 28px 14px !important;
        font-size: 0.82rem;
    }
}

@media (max-width: 480px) {
    .cs-trigger {
        font-size: 0.82rem;
        padding: 3px 6px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .cs-value {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    .col-lp { width: 24px; }

    .nav-center {
        flex: 1;
        min-width: 0;
    }

    .nav-center .cs-container {
        min-width: 0;
        max-width: 48%;
        flex-shrink: 1;
        overflow: visible; /* allow dropdown to show */
    }

    #monthSelectContainer .cs-trigger {
        min-width: 0;
        width: 100%;
    }

    #yearSelectContainer .cs-trigger {
        min-width: 0;
        width: 100%;
    }

    .cell-input {
        font-size: 0.85rem;
        padding: 5px 4px;
        min-height: 28px;
    }

    .cell-input.amount {
        font-size: 0.85rem;
        padding: 5px 3px;
    }

    .summary-section {
        padding: 6px 10px 12px;
    }
}

@media (max-width: 380px) {
    .nav-center {
        gap: 3px;
    }

    .cs-trigger {
        font-size: 0.72rem;
        padding: 2px 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .cs-value {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    #monthSelectContainer .cs-trigger {
        min-width: 0;
        width: 100%;
    }

    #yearSelectContainer .cs-trigger {
        min-width: 0;
        width: 100%;
    }

    .cs-option {
        font-size: 0.75rem;
        padding: 4px 6px;
    }

    .summary-section {
        padding: 4px 6px 10px;
    }
}

/* ============================================
   Mobile Card Layout (<820px)
   Transforms table rows into stacked cards
   ============================================ */
@media (max-width: 820px) {

    /* ---- Table becomes cards ---- */
    #entriesTable {
        border-collapse: separate;
        border-spacing: 0 12px;
    }

    /* Hide table header */
    #entriesTable thead {
        display: none;
    }

    /* Remove column separators in card mode */
    #entriesTable td.col-person {
        border-left: none;
    }

    /* Each row becomes a card */
    #entriesTable tbody tr {
        display: block;
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 0;
        margin-bottom: 14px;
        box-shadow: var(--shadow);
        animation: fadeInUp 0.4s var(--ease-smooth) both;
        transform-origin: center;
        position: relative;
        padding-top: 38px;
    }

    #entriesTable tbody tr:hover {
        transform: none;
        box-shadow: var(--shadow-lg);
        background: var(--card-bg);
    }

    #entriesTable tbody tr.row-active {
        background: var(--card-bg);
    }

    /* Row animation delays */
    #entriesTable tbody tr:nth-child(1),
    #entriesTable tbody tr:nth-child(2),
    #entriesTable tbody tr:nth-child(3),
    #entriesTable tbody tr:nth-child(4),
    #entriesTable tbody tr:nth-child(5),
    #entriesTable tbody tr:nth-child(6),
    #entriesTable tbody tr:nth-child(7),
    #entriesTable tbody tr:nth-child(8),
    #entriesTable tbody tr:nth-child(9),
    #entriesTable tbody tr:nth-child(10) {
        animation-delay: 0.03s;
    }

    /* Card top bar: LP left, Delete right */
    #entriesTable td.col-lp {
        position: absolute;
        top: 0;
        left: 0;
        width: auto;
        padding: 10px 14px;
        font-size: 0.82rem;
        font-weight: 700;
        color: var(--text-light);
        background: transparent;
        border: none;
        text-align: left;
    }
    #entriesTable td.col-lp::before {
        content: attr(data-label) ' ';
        font-weight: 600;
        text-transform: uppercase;
        font-size: 0.65rem;
        letter-spacing: 0.5px;
        color: var(--text-light);
        opacity: 0.5;
    }

    /* Person section in card */
    #entriesTable td.col-person {
        display: block;
        width: 100%;
        padding: 10px 14px 12px;
        border: none;
        background: transparent;
        border-top: 1px solid var(--border-light);
    }
    #entriesTable td.col-person:first-of-type {
        border-top: none;
        padding-top: 8px;
    }

    /* Person label */
    #entriesTable td.col-person::before {
        content: attr(data-label);
        display: block;
        font-size: 0.78rem;
        font-weight: 700;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.4px;
        margin-bottom: 6px;
    }

    /* Person cell inline layout */
    #entriesTable td.col-person .person-cell {
        flex-direction: row;
        gap: 8px;
    }

    #entriesTable td.col-person .person-date {
        flex: 0 1 120px;
        min-width: 90px;
        max-width: 160px;
        font-size: 0.82rem;
        padding: 8px 6px;
        min-height: 42px;
        border-radius: var(--radius-xs);
        border: 1.5px solid var(--border);
        background: var(--card-bg);
    }

    #entriesTable td.col-person .cell-input.amount {
        flex: 0 1 140px;
        min-width: 100px;
        max-width: 180px;
        font-size: 1rem;
        padding: 8px 12px;
        min-height: 42px;
        border-radius: var(--radius-xs);
        border: 1.5px solid var(--border);
        background: var(--card-bg);
    }

    #entriesTable td.col-person .cell-textarea {
        font-size: 0.88rem;
        padding: 8px 12px;
        min-height: 42px;
        border-radius: var(--radius-xs);
        border: 1.5px solid var(--border);
        background: var(--card-bg);
    }

    /* Summary row card */
    #entriesTable tbody tr.summary-row {
        display: block;
        border: 3px solid var(--border);
        border-radius: var(--radius);
        padding: 12px 16px;
        margin-top: 6px;
    }
    #entriesTable tbody tr.summary-row td {
        display: inline-block;
        width: auto;
        padding: 4px 12px;
        border: none;
        font-size: 0.88rem;
    }
    #entriesTable tbody tr.summary-row td.col-person {
        display: inline-block;
        padding: 4px 8px;
        font-size: 0.88rem;
    }
    #entriesTable tbody tr.summary-row td.col-lp {
        display: none;
    }

    /* Empty person cell */
    #entriesTable td.col-person.person-empty {
        padding: 8px 14px;
        font-size: 0.82rem;
    }
}

/* ---- Very small screens (<480px): stack date+amount+desc vertically ---- */
@media (max-width: 480px) {

    #entriesTable td.col-person .person-cell {
        flex-direction: column;
        gap: 4px;
    }

    #entriesTable td.col-person .person-date {
        flex: none;
        width: 100%;
        max-width: none;
        min-width: 0;
        min-height: 36px;
        text-align: center;
    }

    #entriesTable td.col-person .cell-input.amount {
        flex: none;
        width: 100%;
        max-width: none;
        min-width: 0;
        min-height: 36px;
        text-align: center;
    }

    #entriesTable td.col-person .cell-textarea {
        width: 100%;
        min-height: 36px;
    }

    #entriesTable tbody tr {
        padding-top: 38px;
    }

    .person-add-btn {
        font-size: 0.72rem;
        padding: 4px 10px;
    }
}

/* ---- Dark mode for mobile cards ---- */
@media (prefers-color-scheme: dark) and (max-width: 820px) {
    #entriesTable tbody tr {
        background: var(--card-bg);
        border-color: var(--border);
    }

    #entriesTable td.col-person .person-date,
    #entriesTable td.col-person .cell-input.amount,
    #entriesTable td.col-person .cell-textarea {
        background: rgba(255,255,255,0.05);
        border-color: var(--border);
        color: var(--text);
    }

    #entriesTable tbody tr:hover {
        background: var(--card-bg);
    }

    #entriesTable tbody tr.row-active {
        background: var(--card-bg);
    }
}

/* ---- Dark Mode ---- */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d0d1a;
        --card-bg: #16162e;
        --text: #e2e2f0;
        --text-secondary: #8888aa;
        --text-light: #5a5a7a;
        --header-bg: linear-gradient(135deg, #0a0a1a 0%, #111130 50%, #0a0a2a 100%);
        --border: #222248;
        --border-light: #1a1a36;
        --yellow-bg: #3a3200;
        --yellow-border: #8a7a00;
        --yellow-bg-focus: #4a4000;
        --shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
        --shadow-glow: 0 0 20px rgba(225, 112, 85, 0.1);
    }

    body {
        background: var(--bg);
    }

    .card-header {
        background: #12122a;
        border-bottom-color: var(--border);
    }

    #entriesTable thead th {
        background: #0f0f22;
        border-bottom-color: var(--border);
    }

    #entriesTable tbody tr:hover {
        background: #1a1a36;
    }

    #entriesTable tbody tr.row-active {
        background: #1e1e3e;
    }

    .cell-input {
        color: var(--text);
    }

    .cell-input:hover {
        background: #1a1a36;
    }

    .cell-input:focus {
        background: #1e1e3e;
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(225, 112, 85, 0.08);
    }

    /* Amount + date inputs dark mode with visible border */
    .person-cell .person-date,
    .person-cell .cell-input.amount,
    .person-cell .cell-textarea {
        border-color: var(--border);
        background: rgba(255,255,255,0.03);
    }
    .person-cell .person-date:hover,
    .person-cell .cell-input.amount:hover,
    .person-cell .cell-textarea:hover {
        border-color: #3a3a5a;
        background: rgba(255,255,255,0.06);
    }

    .cell-input.amount.positive {
        background: var(--yellow-bg);
        border-color: var(--yellow-border);
    }

    .cell-input.amount.positive:focus {
        background: var(--yellow-bg-focus);
        border-color: #aa8a00;
        box-shadow: 0 0 0 4px rgba(240, 192, 0, 0.15);
    }

    /* Cell clear button dark mode */
    .cell-clear-btn:hover {
        background: rgba(231, 76, 60, 0.2) !important;
    }

    /* Date input dark */
    .cell-input.cell-date,
    .person-cell .person-date {
        color: var(--text-light);
    }
    .cell-input.cell-date:hover,
    .person-cell .person-date:hover {
        background: #1a1a36;
    }
    .cell-input.cell-date:focus,
    .person-cell .person-date:focus {
        background: #1e1e3e;
        border-color: var(--accent);
    }

    /* Empty person cell dark */
    #entriesTable td.col-person.person-empty {
        color: var(--text-light);
    }

    /* Dark dropdown */
    .cs-menu {
        background: #1e1e3e;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        border: 1px solid #2a2a50;
    }

    .cs-option {
        color: var(--text);
    }

    .cs-option:hover {
        background: #2a2a50;
    }

    .cs-option.cs-selected {
        background: var(--accent);
        color: white;
    }

    .cs-menu::-webkit-scrollbar-thumb {
        background: #3a3a5a;
    }

    .table-wrapper::-webkit-scrollbar-thumb {
        background: #3a3a5a;
    }

    #entriesTable td {
        border-bottom-color: var(--border-light);
    }

    .empty-row td {
        color: var(--text-light);
    }

    /* Summary row dark */
    #entriesTable tbody tr.summary-row {
        background: #12122a;
        border-top-color: var(--border);
        border-bottom-color: var(--border);
    }

    #entriesTable tbody tr.summary-row td.sum-pos {
        color: #55d98a;
    }

    #entriesTable tbody tr.summary-row td.sum-neg {
        color: #ff6b6b;
    }

    .btn-clear-month {
        border-color: var(--border);
        color: var(--text-light);
    }

    .btn-clear-month:hover {
        color: #ff6b6b;
        border-color: #ff6b6b;
        background: rgba(255, 107, 107, 0.1);
    }


}

/* ============================================
   Auth Screens
   ============================================ */
.auth-screens {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--bg);
}
.auth-screens[hidden] { display: none !important; }

.auth-screen {
    width: 100%;
    max-width: 420px;
    animation: fadeInUp 0.5s var(--ease-smooth);
}
.auth-screen[hidden] { display: none !important; }

.auth-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 32px 28px;
}

.auth-card h2 {
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
    color: var(--text);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.auth-form input {
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 1rem;
    background: var(--card-bg);
    color: var(--text);
    transition: border-color 0.25s var(--ease-smooth), box-shadow 0.25s var(--ease-smooth);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.auth-submit,
.auth-secondary {
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.25s var(--ease-smooth), transform 0.2s var(--ease-spring);
}

.auth-submit {
    background: var(--accent);
    color: white;
    margin-top: 8px;
}

.auth-submit:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

.auth-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.auth-secondary:hover {
    background: var(--border-light);
}

.auth-message {
    min-height: 20px;
    font-size: 0.85rem;
    text-align: center;
    font-weight: 500;
}

.auth-message--error {
    color: #e74c3c;
}

.auth-message--success {
    color: #27ae60;
}

.auth-message--info {
    color: var(--text-secondary);
}

.auth-logout-btn,
.auth-change-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 5px 10px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-xs);
    background: rgba(255,255,255,0.08);
    color: white;
    font-family: var(--font);
    font-size: 0.72rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.25s var(--ease-smooth);
}

.auth-logout-btn {
    right: 0;
}

.auth-change-btn {
    right: 68px;
}

.auth-logout-btn:hover,
.auth-change-btn:hover {
    background: rgba(255,255,255,0.18);
}

@media (max-width: 480px) {
    .auth-card {
        padding: 24px 18px;
    }
    .auth-change-btn {
        right: 60px;
    }
}