@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* --- Base Styles & Variables --- */
:root {
    --primary-color: #4f46e5;
    --primary-hover-color: #4338ca;
    --background-color: #f8fafc;
    --card-background-color: #ffffff;
    --text-color: #1e293b;
    --subtle-text-color: #64748b;
    --border-color: #e2e8f0;
    --income-color: #10b981;
    --expense-color: #ef4444;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* --- Login Page --- */
.login-container {
    background-color: var(--card-background-color);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-color);
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.input-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--subtle-text-color);
    font-weight: 500;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

button {
    width: 100%;
    padding: 0.85rem 1rem;
    border: none;
    background-color: var(--primary-color);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    transition: background-color 0.2s;
}

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

/* --- Dashboard Styles --- */
.dashboard-container {
    width: 95%;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.header h1 {
    font-size: 2rem;
    margin: 0;
}

.header a {
    text-decoration: none;
    background-color: var(--card-background-color);
    color: var(--subtle-text-color);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.header a:hover {
    background-color: #f1f5f9;
    color: var(--text-color);
}

.summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-card {
    background: var(--card-background-color);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.summary-card h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: var(--subtle-text-color);
    font-weight: 500;
}

.summary-card p {
    font-size: 2.25rem;
    font-weight: 600;
    margin: 0;
}

.summary-card:nth-child(2) p { color: var(--income-color); }
.summary-card:nth-child(3) p { color: var(--expense-color); }

.content-area {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
    align-items: flex-start;
}

.transaction-form {
    background: var(--card-background-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.transaction-form h2, .transaction-list h2 {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-background-color);
    box-shadow: var(--shadow);
    border-radius: 12px;
    overflow: hidden;
}

th, td {
    padding: 1rem 1.5rem;
    text-align: left;
}

thead th {
    background-color: #f1f5f9;
    font-weight: 600;
    color: var(--subtle-text-color);
    font-size: 0.875rem;
    text-transform: uppercase;
}

tbody tr {
    border-bottom: 1px solid var(--border-color);
}

tbody tr:last-child {
    border-bottom: none;
}

tbody tr:hover {
    background-color: #f8fafc;
}

td.income { color: var(--income-color); }
td.expense, td.fixed_expense, td.variable_expense { color: var(--expense-color); }

td:first-child, th:first-child { padding-left: 2rem; }
td:last-child, th:last-child { padding-right: 2rem; }

/* --- App Layout & Sidebar --- */
.app-container {
    display: flex;
    width: 100%;
    height: 100vh;
    background-color: var(--card-background-color);
}

.sidebar {
    width: 260px;
    background-color: #0f172a;
    color: #cbd5e1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar .logo {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: #fff;
    margin-bottom: 3rem;
}

.main-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.main-nav a {
    text-decoration: none;
    color: #94a3b8;
    padding: 0.9rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.2s, color 0.2s;
}

.main-nav a:hover {
    background-color: #1e293b;
    color: #f1f5f9;
}

.main-nav a.active {
    background-color: var(--primary-color);
    color: #fff;
    font-weight: 600;
}

.logout-button {
    text-decoration: none;
    text-align: center;
    color: #94a3b8;
    padding: 0.9rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    border: 1px solid #334155;
    transition: background-color 0.2s, color 0.2s;
}

.logout-button:hover {
    background-color: #1e293b;
    color: #f1f5f9;
}

.main-content {
    flex-grow: 1;
    background-color: var(--background-color);
    padding: 2rem 3rem;
    overflow-y: auto;
}

.transaction-list.full-page {
    background: var(--card-background-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* --- Credits Page Styles --- */
.credits-page .summary-card p {
    color: var(--expense-color);
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
}

.progress-bar {
    height: 10px;
    background-color: var(--border-color);
    border-radius: 5px;
    overflow: hidden;
    flex-grow: 1;
}

.progress-bar .progress {
    height: 100%;
    background-color: var(--income-color);
    border-radius: 5px;
    transition: width 0.5s ease-in-out;
}

.percentage-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--subtle-text-color);
    flex-shrink: 0;
}

.summary-details {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--subtle-text-color);
}

.debt-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.debt-category-section h2 {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.debt-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-background-color);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.debt-info {
    flex-grow: 1;
    margin-right: 1.5rem;
}

.debt-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}

.debt-info p {
    margin: 0;
    color: var(--subtle-text-color);
}

.payment-form {
    flex-shrink: 0;
}

.payment-form form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.payment-form input {
    width: 100px;
}

.payment-form button {
    width: auto;
}

.add-debt-form {
    background: var(--card-background-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.debt-item.is-paid-off {
    background-color: #dcfce7; /* Light Green */
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem;
}

.debt-item.is-paid-off .debt-info-paid h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.debt-item.is-paid-off .debt-info-paid p {
    margin: 0.5rem 0 0 0;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--income-color);
}

.debt-item.is-highlighted {
    background-color: #ede9fe; /* Light Purple */
    border-left: 5px solid var(--primary-color);
}

.debt-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.highlight-button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--subtle-text-color);
    padding: 0;
    width: auto;
}

.highlight-button:hover {
    background: none;
    color: var(--primary-color);
}

.is-highlighted .highlight-button {
    color: #f59e0b; /* Gold color for filled star */
}

/* --- Daily Budget Page Styles --- */
.daily-budget-page .summary-card p.positive {
    color: var(--income-color);
}

.daily-budget-page .summary-card p.negative {
    color: var(--expense-color);
}

.set-budget-form {
    padding: 0;
    box-shadow: none;
    margin: 0;
    background: none;
}

.set-budget-form h2 { display: none; }

.set-budget-form form {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.set-budget-form .input-group {
    margin-bottom: 0;
}
.set-budget-form label { display: none; }

.set-budget-form input {
    width: 150px;
}

.set-budget-form button {
    width: auto;
}

.notice-card .set-budget-form.initial-set {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
}

/* --- Daily Breakdown Table --- */
.daily-breakdown-container {
    background-color: var(--card-background-color);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--shadow);
}

.daily-breakdown-container h2 {
    font-size: 1.5rem;
    padding: 1rem;
    margin: 0;
}

.daily-breakdown-container table {
    box-shadow: none;
}

.daily-breakdown-container td.result-cell {
    font-weight: 600;
}

tr.underspent td.result-cell {
    color: var(--income-color);
}

tr.overspent td.result-cell {
    color: var(--expense-color);
}

.daily-breakdown-container tbody tr.underspent td {
    background-color: #f0fdf4;
}
.daily-breakdown-container tbody tr.overspent td {
    background-color: #fff1f2;
}

.daily-breakdown-container td span {
    font-size: 0.8em;
    font-weight: 500;
    margin-left: 4px;
    opacity: 0.7;
}
.daily-breakdown-container tr.underspent td span {
    color: var(--income-color);
}
.daily-breakdown-container tr.overspent td span {
    color: var(--expense-color);
}

.performance-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.performance-text {
    font-weight: 600;
    width: 50px;
    text-align: right;
    flex-shrink: 0;
}

tr.underspent .performance-text {
    color: var(--income-color);
}
tr.overspent .performance-text {
    color: var(--expense-color);
}

.performance-bar {
    height: 8px;
    min-width: 80px;
    border-radius: 4px;
}
tr.underspent .performance-bar {
    background-color: var(--income-color);
}
tr.overspent .performance-bar {
    background-color: var(--expense-color);
}

/* --- Budget Overview Card --- */
.budget-overview-card {
    background: var(--card-background-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.budget-overview-card h3 {
    margin-top: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.progress-bar-large {
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-bar-large .progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 10px;
    transition: width 0.5s ease-in-out;
}

.remaining-budget {
    text-align: right;
}

.remaining-budget h4 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0.5rem 0 0 0;
    color: var(--primary-color);
}

.remaining-budget span {
    font-size: 0.875rem;
    color: var(--subtle-text-color);
}

.budget-overview-card span {
    font-size: 0.875rem;
    color: var(--subtle-text-color);
}

.page-header-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.month-filter-form form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.month-filter-form label {
    font-weight: 500;
}

.month-filter-form select,
.month-filter-form input[type="month"] {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    margin-left: 0.5rem;
}

/* --- Transactions Page --- */
.category-transaction-groups {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.transaction-category-section {
    background: var(--card-background-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 1.5rem 0 0.5rem 0; /* Padding top, no bottom padding to let table be flush */
}

.transaction-category-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    padding: 0 1.5rem 1rem 1.5rem;
    margin: 0;
    border-bottom: 1px solid var(--border-color);
}

.transaction-category-section .transaction-list {
    padding: 0; /* Remove padding from the wrapper */
}

.transaction-category-section table {
    box-shadow: none; /* The container has the shadow */
    border-radius: 0 0 12px 12px; /* Round bottom corners */
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 600;
    padding: 0 1.5rem 1rem 1.5rem;
    margin: 0;
    border-bottom: 1px solid var(--border-color);
}

.category-header h3 {
    padding: 0;
    border-bottom: none;
    margin: 0;
}

.category-summary {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
}

.category-percentage {
    background-color: #eef2ff;
    color: var(--primary-color);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.category-total {
    font-weight: 600;
    color: var(--expense-color);
}

/* --- Analytics Page --- */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.chart-container {
    background: var(--card-background-color);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    height: 450px;
    display: flex;
    flex-direction: column;
}

.chart-container h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    text-align: center;
}

/* --- Addictions Page --- */
.addictions-page .content-area {
    grid-template-columns: 2fr 1fr;
}

.addiction-timers-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.addiction-tile {
    background: var(--card-background-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 2rem;
    text-align: center;
}

.addiction-tile h3 {
    margin-top: 0;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.addiction-tile .timer {
    font-size: 2.5rem;
    font-weight: 600;
    margin: 1rem 0;
}

.addiction-tile .timer span {
    display: inline-block;
    min-width: 90px; /* Give each part some space */
}

.addiction-tile .start-date-display {
    color: var(--subtle-text-color);
    font-size: 0.875rem;
    margin: 0;
}

.set-addiction-form {
    background: var(--card-background-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    align-self: start; /* Stick to the top of the grid column */
}

.set-addiction-form h2 {
    font-size: 1.5rem;
    margin-top: 0;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

@media (max-width: 1024px) {
    .content-area, .addictions-page .content-area {
        grid-template-columns: 1fr;
    }
    .summary {
        grid-template-columns: 1fr;
    }
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}