@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800&display=swap');

* {
    box-sizing: border-box;
}

:root {
    --bg-primary: #fff5f8;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --accent-pink: #ff8fab;
    --accent-pink-light: #ffc2d1;
    --accent-mint: #98d8aa;
    --accent-mint-light: #c5ebb8;
    --accent-lavender: #c8b6ff;
    --accent-peach: #ffcdb2;
    --accent-yellow: #ffd670;
    --text-primary: #5c4d4d;
    --text-secondary: #8b7e7e;
    --text-muted: #b8a9a9;
    --income-color: #65c987;
    --income-bg: #e8f8ed;
    --expense-color: #ff7c98;
    --expense-bg: #fff0f3;
    --border-color: #f5e6e8;
    --shadow-soft: rgba(255, 143, 171, 0.15);
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 143, 171, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(200, 182, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(152, 216, 170, 0.05) 0%, transparent 50%);
    min-height: 100vh;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    font-size: 14px;
}

/* Cute floating decorations */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

body::before {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 198, 209, 0.3) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}

body::after {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(200, 182, 255, 0.25) 0%, transparent 70%);
    bottom: -80px;
    left: -80px;
}

header {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-pink-light) 50%, var(--accent-peach) 100%);
    color: white;
    padding: 18px 15px;
    text-align: center;
    border-radius: 0 0 30px 30px;
    box-shadow: 0 4px 20px var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '✿';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5em;
    opacity: 0.5;
}

header::after {
    content: '✿';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5em;
    opacity: 0.5;
}

header h1 {
    margin: 0;
    font-size: 1.4em;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header p {
    margin: 5px 0 0;
    font-size: 0.85em;
    opacity: 0.9;
    font-weight: 500;
}

main {
    max-width: 100%;
    margin: 0 auto;
    padding: 12px;
}

section {
    background: var(--bg-card);
    padding: 16px;
    margin-bottom: 14px;
    border-radius: 24px;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 15px var(--shadow-soft);
    position: relative;
}

h2 {
    color: var(--accent-pink);
    border-bottom: 2px dashed var(--accent-pink-light);
    padding-bottom: 10px;
    margin: 0 0 14px 0;
    font-size: 1.05em;
    font-weight: 700;
}

/* --- Wallet Section --- */
.wallet-section {
    background: linear-gradient(135deg, #fff0f5 0%, #fef6f0 100%);
    border-color: var(--accent-pink-light);
}

.wallet-section h2 {
    color: var(--accent-pink);
    border-bottom-color: var(--accent-pink-light);
}

.wallet-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.wallet-tab {
    padding: 12px 16px;
    border: 2px solid var(--accent-pink-light);
    background: white;
    color: var(--text-secondary);
    border-radius: 16px;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 600;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 100px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    position: relative;
}

.wallet-tab:hover {
    background: var(--accent-pink-light);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-soft);
}

.wallet-tab.active {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-peach) 100%);
    color: white;
    border-color: var(--accent-pink);
    box-shadow: 0 4px 15px var(--shadow-soft);
    transform: scale(1.02);
}

.wallet-info {
    margin-top: 12px;
    padding: 10px 14px;
    background: white;
    border-radius: 12px;
    font-size: 0.85em;
    color: var(--text-secondary);
    border: 2px dashed var(--accent-pink-light);
}

/* Wallet Management */
.wallet-management {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 2px dashed var(--accent-pink-light);
}

#add-wallet-form {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

#add-wallet-form input {
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    background: white;
    color: var(--text-primary);
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

#add-wallet-form input::placeholder {
    color: var(--text-muted);
}

#add-wallet-form input:focus {
    outline: none;
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 4px rgba(255, 143, 171, 0.15);
}

#add-wallet-form input[type="text"]:last-of-type {
    flex: 1;
    min-width: 100px;
}

#add-wallet-form button {
    padding: 10px 18px;
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-peach) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

#add-wallet-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-soft);
}

#add-wallet-form button:active {
    transform: scale(0.95);
}

/* Delete wallet button */
.delete-wallet {
    margin-left: 6px;
    color: var(--text-muted);
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    padding: 0 4px;
    border-radius: 50%;
    transition: all 0.2s;
}

.delete-wallet:hover {
    color: var(--expense-color);
    background: var(--expense-bg);
}

.wallet-tab.active .delete-wallet {
    color: rgba(255, 255, 255, 0.6);
}

.wallet-tab.active .delete-wallet:hover {
    color: white;
    background: rgba(255, 255, 255, 0.2);
}

/* --- Summary Section --- */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.summary-card {
    text-align: center;
    padding: 14px 8px;
    border-radius: 18px;
    border: 2px solid;
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    opacity: 0.3;
}

.summary-card h3 {
    margin: 0;
    font-size: 0.7em;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.summary-card p {
    font-size: 1.1em;
    font-weight: 800;
    margin: 6px 0 0 0;
}

.income-total { 
    background: linear-gradient(135deg, #e8f8ed 0%, #d4f1de 100%);
    border-color: var(--accent-mint);
}
.income-total::before {
    background: var(--accent-mint);
}
.income-total p { color: var(--income-color); }

.expense-total { 
    background: linear-gradient(135deg, #fff0f3 0%, #ffe4e9 100%);
    border-color: var(--accent-pink-light);
}
.expense-total::before {
    background: var(--accent-pink);
}
.expense-total p { color: var(--expense-color); }

.net-balance { 
    background: linear-gradient(135deg, #f0f0ff 0%, #e8e4ff 100%);
    border-color: var(--accent-lavender);
}
.net-balance::before {
    background: var(--accent-lavender);
}
.net-balance p { color: #9381ff; }
.net-balance.negative p { color: var(--expense-color); }

/* --- Calendar Section --- */
.calendar-section {
    padding: 14px;
    background: linear-gradient(135deg, #fffbf0 0%, #fff5f8 100%);
    border-color: var(--accent-yellow);
}

.calendar-section h2 {
    color: #e8a838;
    border-bottom-color: var(--accent-yellow);
}

.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    gap: 8px;
}

.calendar-controls button {
    padding: 10px 14px;
    background: white;
    color: var(--accent-pink);
    border: 2px solid var(--accent-pink-light);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.75em;
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

.calendar-controls button:hover {
    background: var(--accent-pink);
    color: white;
    border-color: var(--accent-pink);
    transform: translateY(-2px);
}

.calendar-controls h3 {
    margin: 0;
    font-size: 1em;
    color: var(--accent-pink);
    font-weight: 700;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
    text-align: center;
}

.day-header {
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-peach) 100%);
    color: white;
    padding: 8px 2px;
    border-radius: 10px;
    font-size: 0.7em;
    text-transform: uppercase;
}

.calendar-day {
    padding: 6px 3px;
    border: 2px solid var(--border-color);
    min-height: 55px;
    background: white;
    border-radius: 12px;
    font-size: 0.75em;
    transition: all 0.2s;
}

.calendar-day.current-month {
    cursor: pointer;
}

.calendar-day.current-month:hover {
    background: #fff5f8;
    border-color: var(--accent-pink-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-soft);
}

.calendar-day.current-month.selected {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-peach) 100%);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 6px 20px var(--shadow-soft);
    border-color: var(--accent-pink);
    z-index: 1;
    position: relative;
}

.calendar-day.current-month.selected .day-number {
    color: white;
}

.calendar-day.current-month.selected .day-income {
    color: #c5ebb8;
}

.calendar-day.current-month.selected .day-expense {
    color: #ffe4e9;
}

.day-number {
    font-weight: 700;
    display: block;
    margin-bottom: 3px;
    color: var(--text-primary);
    font-size: 0.9em;
}

.day-income {
    color: var(--income-color);
    font-weight: 700;
    font-size: 0.55em;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.day-expense {
    color: var(--expense-color);
    font-weight: 700;
    font-size: 0.55em;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- Form Styles --- */
.input-section {
    padding: 16px;
    background: linear-gradient(135deg, #f8f0ff 0%, #fff5f8 100%);
    border-color: var(--accent-lavender);
}

.input-section h2 {
    color: #9381ff;
    border-bottom-color: var(--accent-lavender);
}

.form-group {
    margin-bottom: 14px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85em;
}

input[type="date"],
input[type="number"],
input[type="text"],
select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    font-size: 16px;
    background: white;
    color: var(--text-primary);
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

input::placeholder {
    color: var(--text-muted);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23b8a9a9' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
    cursor: pointer;
}

select option {
    background: white;
    color: var(--text-primary);
}

/* Date Picker Group */
.date-picker-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.date-picker-group select {
    width: auto;
    flex: 1;
    text-align: center;
    background-position: right 8px center;
    padding-right: 28px;
}

.date-picker-group #date-day {
    flex: 1;
}

.date-picker-group #date-month {
    flex: 1;
}

.date-picker-group #date-year {
    flex: 1.5;
}

.date-separator {
    font-weight: 700;
    color: var(--accent-pink);
    font-size: 1.2em;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 4px rgba(255, 143, 171, 0.15);
}

.submit-btn {
    background: linear-gradient(135deg, var(--accent-mint) 0%, #7dc994 100%);
    color: white;
    padding: 14px 24px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 700;
    width: 100%;
    margin-top: 8px;
    transition: all 0.3s;
    font-family: 'Nunito', sans-serif;
    box-shadow: 0 4px 15px rgba(152, 216, 170, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(152, 216, 170, 0.4);
}

.submit-btn:active {
    transform: scale(0.98);
}

/* --- Controls Section --- */
.controls-section {
    padding: 16px;
    background: linear-gradient(135deg, #e8f8ed 0%, #f0f8ff 100%);
    border-color: var(--accent-mint);
}

.controls-section h2 {
    color: var(--income-color);
    border-bottom-color: var(--accent-mint-light);
}

.control-container {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.control-container > div {
    padding: 14px;
    border: 2px dashed var(--accent-mint-light);
    border-radius: 16px;
    background: white;
}

.control-container h3 {
    margin: 0 0 10px 0;
    color: var(--income-color);
    font-size: 0.9em;
    font-weight: 700;
}

#add-category-form, #add-source-form {
    display: flex;
    gap: 8px;
}

#add-category-form input, #add-source-form input {
    flex-grow: 1;
}

#add-category-form button, #add-source-form button {
    background: linear-gradient(135deg, var(--accent-mint) 0%, #7dc994 100%);
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9em;
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

#add-category-form button:hover, #add-source-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(152, 216, 170, 0.4);
}

.tag-list {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-list span {
    background: linear-gradient(135deg, var(--accent-pink-light) 0%, var(--accent-peach) 100%);
    color: white;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.8em;
    display: flex;
    align-items: center;
    font-weight: 600;
    box-shadow: 0 2px 8px var(--shadow-soft);
}

.tag-list .remove-tag {
    margin-left: 8px;
    cursor: pointer;
    font-weight: bold;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.tag-list .remove-tag:hover {
    opacity: 1;
}

/* --- History Section Styles --- */
.list-section {
    padding: 14px;
}

/* Selected Date Info */
.selected-date-info {
    background: linear-gradient(135deg, var(--accent-pink-light) 0%, var(--accent-peach) 100%);
    color: white;
    padding: 14px;
    border-radius: 18px;
    margin-bottom: 14px;
    animation: bounceIn 0.4s ease;
    box-shadow: 0 4px 15px var(--shadow-soft);
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.9) translateY(-10px);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.selected-date-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.selected-date-header span {
    font-weight: 700;
    font-size: 1em;
}

.close-btn {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s;
    font-weight: 700;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: rotate(90deg);
}

.selected-date-summary {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.summary-item {
    background: rgba(255, 255, 255, 0.25);
    padding: 8px 14px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
}

.summary-item.income {
    background: rgba(152, 216, 170, 0.4);
}

.summary-item.expense {
    background: rgba(255, 255, 255, 0.4);
}

/* Transaction List Container */
.transaction-list-container {
    animation: bounceIn 0.4s ease;
}

.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Transaction Card */
.transaction-card {
    display: flex;
    align-items: center;
    padding: 14px;
    background: white;
    border-radius: 18px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.transaction-card:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 15px var(--shadow-soft);
}

.transaction-card.income {
    border-left: 5px solid var(--accent-mint);
}

.transaction-card.expense {
    border-left: 5px solid var(--accent-pink);
}

.transaction-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4em;
    margin-right: 14px;
    flex-shrink: 0;
}

.transaction-card.income .transaction-icon {
    background: var(--income-bg);
    border: 2px solid var(--accent-mint-light);
}

.transaction-card.expense .transaction-icon {
    background: var(--expense-bg);
    border: 2px solid var(--accent-pink-light);
}

.transaction-details {
    flex: 1;
    min-width: 0;
}

.transaction-description {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.9em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.transaction-meta {
    display: flex;
    gap: 8px;
    margin-top: 5px;
    font-size: 0.75em;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.transaction-meta span {
    background: #f8f4f5;
    padding: 3px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.transaction-amount {
    font-weight: 800;
    font-size: 1em;
    margin-left: 10px;
    white-space: nowrap;
}

.transaction-card.income .transaction-amount {
    color: var(--income-color);
}

.transaction-card.expense .transaction-amount {
    color: var(--expense-color);
}

.transaction-actions {
    margin-left: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

@media (min-width: 600px) {
    .transaction-actions {
        flex-direction: row;
        gap: 8px;
    }
}

.delete-btn {
    background: var(--expense-bg);
    color: var(--expense-color);
    border: 2px solid var(--accent-pink-light);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.75em;
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

.delete-btn:hover {
    background: var(--accent-pink);
    color: white;
    border-color: var(--accent-pink);
    transform: translateY(-1px);
}

.delete-btn:active {
    transform: scale(0.95);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3em;
    margin-bottom: 12px;
}

.empty-state p {
    margin: 0;
    font-size: 0.9em;
}

/* --- Footer --- */
footer {
    background: linear-gradient(135deg, var(--accent-pink-light) 0%, var(--accent-peach) 100%);
    color: white;
    text-align: center;
    padding: 18px;
    font-size: 0.8em;
    border-radius: 30px 30px 0 0;
    margin-top: 10px;
}

footer p {
    margin: 4px 0;
    font-weight: 500;
}

/* === RESPONSIVE - Tablet === */
@media (min-width: 600px) {
    body {
        font-size: 15px;
    }
    
    main {
        max-width: 800px;
        padding: 16px;
    }
    
    section {
        padding: 20px;
        margin-bottom: 16px;
    }
    
    .summary-card p {
        font-size: 1.4em;
    }
    
    .calendar-day {
        min-height: 75px;
        padding: 8px;
    }
    
    .day-income, .day-expense {
        font-size: 0.65em;
    }
    
    .control-container {
        flex-direction: row;
    }
    
    .control-container > div {
        flex: 1;
    }
    
    .transaction-card {
        padding: 16px 18px;
    }
    
    .transaction-icon {
        width: 50px;
        height: 50px;
    }
}

/* === RESPONSIVE - Desktop === */
@media (min-width: 900px) {
    body {
        font-size: 16px;
    }
    
    main {
        max-width: 1000px;
        padding: 24px;
    }
    
    section {
        padding: 24px;
        margin-bottom: 20px;
    }
    
    header {
        padding: 24px;
        border-radius: 0 0 40px 40px;
    }
    
    header h1 {
        font-size: 1.8em;
    }
    
    .wallet-tab {
        flex: 0 1 auto;
        padding: 14px 28px;
    }
    
    .summary-card {
        padding: 20px;
    }
    
    .summary-card h3 {
        font-size: 0.85em;
    }
    
    .summary-card p {
        font-size: 1.7em;
    }
    
    .calendar-day {
        min-height: 90px;
        padding: 10px;
    }
    
    .day-income, .day-expense {
        font-size: 0.75em;
    }
    
    .transaction-card {
        padding: 18px 22px;
    }
    
    .transaction-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5em;
    }
    
    .transaction-description {
        font-size: 1em;
    }
    
    .transaction-amount {
        font-size: 1.15em;
    }
    
    footer {
        border-radius: 40px 40px 0 0;
    }
}

/* === iOS Safari fixes === */
@supports (-webkit-touch-callout: none) {
    input, select, button {
        -webkit-appearance: none;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar - Cute style */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent-pink-light), var(--accent-peach));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-pink);
}

/* === Modal Styles === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 143, 171, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    border-radius: 28px;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px var(--shadow-soft);
    border: 3px solid var(--accent-pink-light);
    animation: popIn 0.3s ease;
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-peach) 100%);
    color: white;
    border-radius: 24px 24px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.1em;
    font-weight: 700;
}

.modal-close {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1em;
    transition: all 0.2s;
    font-weight: 700;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: rotate(90deg);
}

.modal-content form {
    padding: 22px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.modal-actions button {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 14px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.95em;
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

.btn-cancel {
    background: #f8f4f5;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.btn-cancel:hover {
    background: #f0e8ea;
}

.btn-save {
    background: linear-gradient(135deg, var(--accent-mint) 0%, #7dc994 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(152, 216, 170, 0.3);
}

.btn-save:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(152, 216, 170, 0.4);
}

/* === Wallet Edit Button === */
.edit-wallet {
    margin-left: 4px;
    color: var(--text-muted);
    font-size: 0.85em;
    cursor: pointer;
    padding: 0 4px;
    border-radius: 4px;
    transition: all 0.2s;
}

.edit-wallet:hover {
    color: var(--accent-yellow);
}

.wallet-tab.active .edit-wallet {
    color: rgba(255, 255, 255, 0.6);
}

.wallet-tab.active .edit-wallet:hover {
    color: white;
}

/* === Transaction Edit Button === */
.edit-btn {
    background: #f0f0ff;
    color: #9381ff;
    border: 2px solid var(--accent-lavender);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.75em;
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

.edit-btn:hover {
    background: var(--accent-lavender);
    color: white;
    transform: translateY(-1px);
}

.edit-btn:active {
    transform: scale(0.95);
}

/* Focus visible for accessibility */
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 3px solid var(--accent-pink);
    outline-offset: 2px;
}

/* Fun hover animations */
@keyframes wiggle {
    0%, 100% { transform: rotate(-2deg); }
    50% { transform: rotate(2deg); }
}

.wallet-tab:hover,
.submit-btn:hover {
    animation: wiggle 0.3s ease;
}

/* === AUTH SCREEN STYLES === */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 143, 171, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(200, 182, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(152, 216, 170, 0.08) 0%, transparent 50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}

.auth-container {
    background: var(--bg-card);
    border-radius: 28px;
    border: 2px solid var(--border-color);
    box-shadow: 0 20px 60px var(--shadow-soft);
    width: 100%;
    max-width: 400px;
    overflow: hidden;
    animation: authPopIn 0.4s ease;
}

@keyframes authPopIn {
    0% {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.auth-header {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-peach) 100%);
    color: white;
    padding: 30px 24px;
    text-align: center;
}

.auth-header h1 {
    margin: 0;
    font-size: 1.6em;
    font-weight: 800;
}

.auth-header p {
    margin: 8px 0 0;
    font-size: 0.9em;
    opacity: 0.9;
}

.auth-form {
    padding: 28px 24px;
}

.auth-form .form-group {
    margin-bottom: 18px;
}

.auth-form label {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.auth-form input {
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    font-size: 16px;
    transition: all 0.2s;
}

.auth-form input:focus {
    border-color: var(--accent-pink);
    box-shadow: 0 0 0 4px rgba(255, 143, 171, 0.15);
}

.auth-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 16px;
    font-size: 1.05em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Nunito', sans-serif;
    margin-top: 8px;
}

.login-btn {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-peach) 100%);
    color: white;
    box-shadow: 0 4px 15px var(--shadow-soft);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-soft);
}

.register-btn {
    background: linear-gradient(135deg, var(--accent-mint) 0%, #7dc994 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(152, 216, 170, 0.3);
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(152, 216, 170, 0.4);
}

.forgot-password {
    text-align: center;
    margin-top: 12px;
}

.forgot-password a {
    color: var(--accent-pink);
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 600;
    transition: all 0.2s;
}

.forgot-password a:hover {
    color: var(--accent-peach);
    text-decoration: underline;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 0.9em;
}

.auth-switch a {
    color: var(--accent-pink);
    font-weight: 700;
    text-decoration: none;
}

.auth-switch a:hover {
    text-decoration: underline;
}

.auth-error {
    background: var(--expense-bg);
    color: var(--expense-color);
    padding: 12px 16px;
    margin: 0 24px 24px;
    border-radius: 12px;
    font-size: 0.9em;
    text-align: center;
    border: 1px solid var(--accent-pink-light);
}

/* Remember Me Checkbox */
.remember-group {
    margin-top: 4px !important;
    margin-bottom: 8px !important;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9em;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 22px;
    height: 22px;
    border: 2px solid var(--accent-pink-light);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    background: white;
}

.checkmark::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-peach) 100%);
    border-color: var(--accent-pink);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    opacity: 1;
    transform: scale(1);
}

/* Password Input with Toggle */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    padding-right: 50px !important;
}

.toggle-password {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 1.1em;
    opacity: 0.6;
}

.toggle-password:hover {
    opacity: 1;
    background: rgba(255, 143, 171, 0.1);
}

.toggle-password.active {
    opacity: 1;
    background: rgba(255, 143, 171, 0.2);
}

.eye-icon {
    display: block;
    line-height: 1;
}

/* === Header with User Info === */
header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.header-content {
    text-align: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.3);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.8em;
    flex-wrap: wrap;
    justify-content: center;
}

#user-email {
    color: white;
    font-weight: 600;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.migrate-btn {
    background: rgba(152, 216, 170, 0.9);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

.migrate-btn:hover {
    background: rgba(152, 216, 170, 1);
    transform: translateY(-1px);
}

.logout-btn {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Nunito', sans-serif;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}

@media (min-width: 600px) {
    header {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .header-content {
        text-align: left;
    }
    
    #user-email {
        max-width: 200px;
    }
}