/* CSS Reset and Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #252542;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --accent-green: #00d4aa;
    --accent-red: #ff6b6b;
    --accent-blue: #4dabf7;
    --accent-purple: #9775fa;
    --accent-yellow: #ffd43b;
    --border-color: #3a3a5c;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.screen {
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Language Toggle Button */
.lang-toggle {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1001;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.lang-toggle:hover {
    border-color: var(--accent-green);
    background: var(--bg-secondary);
}

/* Onboarding Styles */
#onboarding {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.onboarding-container {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.onboarding-container h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.onboarding-step {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

/* Welcome Screen */
.welcome-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
    margin-bottom: 25px;
}

.welcome-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.welcome-icon {
    font-size: 1.8rem;
    line-height: 1;
    flex-shrink: 0;
}

.welcome-text {
    flex: 1;
}

.welcome-text strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.welcome-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

.onboarding-step h2 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    margin: 20px 0;
    transition: border-color 0.3s;
}

.input-group:focus-within {
    border-color: var(--accent-green);
}

.input-group .currency,
.input-group .percent-symbol {
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-right: 8px;
}

.input-group input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    outline: none;
    width: 100%;
}

.input-group input::placeholder {
    color: var(--text-secondary);
}

.input-group.small {
    padding: 8px 12px;
    margin: 8px 0;
}

.input-group.small input {
    font-size: 1.1rem;
}

.toggle-group {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 20px 0;
}

.toggle-btn {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.toggle-btn.active {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--bg-primary);
    font-weight: 600;
}

.next-btn, .start-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    color: var(--bg-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.next-btn:hover, .start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.3);
}

.select-label {
    display: block;
    text-align: left;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    margin-bottom: 8px;
}

select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    cursor: pointer;
}

select:focus {
    border-color: var(--accent-green);
}

/* Main App Styles */
#mainApp {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: 20px;
}

/* Balance Header */
.balance-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
    padding: 30px 20px;
    text-align: center;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    box-shadow: var(--shadow);
}

.balance-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.balance-amount {
    font-size: 3rem;
    font-weight: 700;
    margin: 10px 0;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-variant-numeric: tabular-nums;
}

.earning-rate {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 212, 170, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    color: var(--accent-green);
    font-size: 0.95rem;
    font-weight: 500;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* Stats Row */
.stats-row {
    display: flex;
    gap: 10px;
    padding: 20px 15px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.stat-card {
    flex: 1;
    min-width: 100px;
    background: var(--bg-card);
    padding: 15px;
    border-radius: 15px;
    text-align: center;
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.stat-value.positive {
    color: var(--accent-green);
}

.stat-value.negative {
    color: var(--accent-red);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 12px;
    padding: 0 15px 15px;
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.expense-btn {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    color: white;
}

.income-btn {
    background: linear-gradient(135deg, var(--accent-green), #00c49a);
    color: var(--bg-primary);
}

.action-btn .icon {
    font-size: 1.3rem;
    font-weight: 700;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    background: var(--bg-secondary);
    margin: 0 15px;
    border-radius: 12px;
    padding: 5px;
}

.tab-btn {
    flex: 1;
    padding: 10px 5px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s;
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* Tab Content */
.tab-content {
    flex: 1;
    padding: 15px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Chart Panel */
.chart-controls {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.chart-controls select {
    width: auto;
    padding: 8px 12px;
    font-size: 0.9rem;
}

.chart-toggles {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.toggle-label input {
    display: none;
}

.toggle-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    opacity: 0.4;
    transition: opacity 0.3s;
}

.toggle-label input:checked + .toggle-dot {
    opacity: 1;
}

.toggle-dot.income {
    background: var(--accent-green);
}

.toggle-dot.expenses {
    background: var(--accent-red);
}

.toggle-dot.taxes {
    background: var(--accent-purple);
}

.chart-container {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 15px;
    height: 300px;
}

/* Transactions Panel */
.transactions-list {
    max-height: 400px;
    overflow-y: auto;
}

.transaction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    background: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 10px;
}

.transaction-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.transaction-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 10px;
    font-size: 1.2rem;
}

.transaction-details h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.transaction-details span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.transaction-amount {
    font-weight: 600;
    font-size: 1rem;
}

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

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

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 20px;
}

/* Budget Panel */
.budget-summary {
    text-align: center;
    margin-bottom: 20px;
}

.budget-summary h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.budget-intro {
    color: var(--text-secondary);
}

.budget-cards {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.budget-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 15px;
}

.budget-card.highlight {
    background: linear-gradient(135deg, var(--bg-card), rgba(0, 212, 170, 0.1));
    border: 1px solid rgba(0, 212, 170, 0.3);
}

.budget-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.budget-icon {
    font-size: 1.3rem;
}

.budget-header h4 {
    font-size: 1rem;
}

.budget-amounts {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.budget-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.budget-row span:first-child {
    color: var(--text-secondary);
}

.budget-row .amount {
    font-weight: 600;
}

.budget-row .amount.positive {
    color: var(--accent-green);
}

/* Progress Section */
.progress-section {
    margin-top: 25px;
    background: var(--bg-card);
    padding: 20px;
    border-radius: 15px;
}

.progress-section h4 {
    margin-bottom: 15px;
}

.progress-item {
    margin-bottom: 15px;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.progress-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-fill.spending {
    background: linear-gradient(90deg, var(--accent-red), #ff8787);
}

.progress-fill.saving {
    background: linear-gradient(90deg, var(--accent-green), #38d9a9);
}

/* Settings Panel */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.settings-item {
    background: var(--bg-card);
    padding: 15px;
    border-radius: 12px;
}

.settings-item label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.settings-item input[type="range"] {
    width: 100%;
    margin-top: 5px;
}

.settings-item #savingsGoalValue {
    display: block;
    text-align: right;
    color: var(--accent-green);
    font-weight: 600;
    margin-top: 5px;
}

.save-settings-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    background: var(--accent-green);
    color: var(--bg-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.save-settings-btn:hover {
    opacity: 0.9;
}

.reset-btn {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--accent-red);
    border-radius: 12px;
    background: none;
    color: var(--accent-red);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.reset-btn:hover {
    background: var(--accent-red);
    color: white;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
}

.modal {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 20px;
    width: 100%;
    max-width: 350px;
}

.modal h3 {
    text-align: center;
    margin-bottom: 20px;
}

.note-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    margin-bottom: 15px;
}

.note-input:focus {
    border-color: var(--accent-green);
}

.modal select {
    margin-bottom: 20px;
}

.modal-buttons {
    display: flex;
    gap: 12px;
}

.cancel-btn, .confirm-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

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

.confirm-btn {
    background: var(--accent-green);
    color: var(--bg-primary);
}

.confirm-btn.expense {
    background: var(--accent-red);
    color: white;
}

.delete-btn {
    flex: 0.7;
    padding: 12px;
    border: 2px solid var(--accent-red);
    border-radius: 10px;
    background: none;
    color: var(--accent-red);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.delete-btn:hover {
    background: var(--accent-red);
    color: white;
}

/* Date Input */
.date-input-group {
    margin-bottom: 20px;
}

.date-input-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.date-input-group input[type="datetime-local"] {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    color-scheme: dark;
}

.date-input-group input[type="datetime-local"]:focus {
    border-color: var(--accent-green);
}

/* Clickable transaction items */
.transaction-item {
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
}

.transaction-item:hover {
    background: var(--bg-secondary);
    transform: translateX(5px);
}

.transaction-item:active {
    transform: scale(0.98);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-panel.active {
    animation: fadeIn 0.3s ease;
}

/* V2 Additions */

/* Rate Row */
.rate-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
}

.bleeding-rate {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 107, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    color: var(--accent-red);
    font-size: 0.95rem;
    font-weight: 500;
}

.pulse.red {
    background: var(--accent-red);
}

/* Period Selector */
.period-selector-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--bg-secondary);
    margin: 0 15px;
    border-radius: 10px;
}

.period-selector-row label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.period-selector-row select {
    width: auto;
    padding: 8px 12px;
    font-size: 0.9rem;
}

/* Date Input */
.date-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    color-scheme: dark;
    margin-top: 8px;
}

.date-input:focus {
    border-color: var(--accent-green);
}

/* Savings Panel */
.savings-header {
    text-align: center;
    margin-bottom: 20px;
}

.savings-header h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.savings-balance {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-green);
}

.savings-actions {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
}

.savings-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.action-btn.small {
    flex: 1;
    padding: 10px;
    font-size: 0.85rem;
}

.savings-history h4 {
    margin-bottom: 15px;
}

/* Debts Panel */
.debts-header {
    text-align: center;
    margin-bottom: 20px;
}

.debts-header h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.total-debt {
    font-size: 2.5rem;
    font-weight: 700;
}

.total-debt.negative {
    color: var(--accent-red);
}

.add-debt-btn {
    width: 100%;
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.add-debt-btn:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.debt-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 15px;
}

.debt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.debt-header h4 {
    font-size: 1.1rem;
}

.paid-off-badge {
    background: var(--accent-green);
    color: var(--bg-primary);
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.debt-details {
    margin-bottom: 15px;
}

.debt-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.debt-row span:first-child {
    color: var(--text-secondary);
}

.debt-row .negative {
    color: var(--accent-red);
}

.debt-actions {
    display: flex;
    gap: 10px;
}

.payment-input {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}

.payment-input:focus {
    border-color: var(--accent-green);
}

.make-payment-btn {
    padding: 10px 15px;
    background: var(--accent-green);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
}

/* Salary Section */
.salary-section {
    padding: 20px !important;
}

.salary-history-list {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 15px;
    max-height: 150px;
    overflow-y: auto;
}

.salary-history-item {
    display: flex;
    justify-content: space-between;
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

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

.salary-dates {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.salary-amount {
    color: var(--accent-green);
    font-weight: 600;
}

.salary-change-form {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 10px;
    margin-top: 15px;
}

.salary-change-form h5 {
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.save-settings-btn.small {
    padding: 10px;
    font-size: 0.9rem;
    margin-top: 10px;
}

/* Media Queries for larger screens */
@media (min-width: 768px) {
    #mainApp {
        max-width: 500px;
        margin: 0 auto;
    }

    .balance-amount {
        font-size: 3.5rem;
    }

    .stats-row {
        justify-content: center;
    }

    .stat-card {
        min-width: 120px;
    }
}