/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    /* Base Colors */
    --primary-bg: #0b0f19;
    --text-white: #f8fafc;
    --text-gray: #94a3b8;
    --accent-white: #ffffff;

    /* Legacy aliases for unmigrated components to use the new aesthetic */
    --primary-black: var(--primary-bg);
    --secondary-black: rgba(15, 23, 42, 0.4);
    --card-black: rgba(30, 41, 59, 0.4);
    --border-gray: rgba(255, 255, 255, 0.2);

    /* Brand Colors - CampusCoin */
    --brand-primary: #8b5cf6;
    --brand-secondary: #3b82f6;
    --brand-gradient: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));

    /* Glassmorphism Cards */
    --glass-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-highlight: rgba(255, 255, 255, 0.12);
    --shadow: rgba(0, 0, 0, 0.3);

    /* Status Colors */
    --danger-red: #ef4444;
    --success-green: #10b981;
    --warning-yellow: #f59e0b;
    --upcoming-orange: #f97316;
    --google-blue: #4285f4;

    --modal-backdrop: rgba(11, 15, 25, 0.85);
}

body {
    background-color: var(--primary-bg);
    /* Animated mesh gradient background */
    background-image:
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(59, 130, 246, 0.15), transparent 25%);
    background-attachment: fixed;
    color: var(--text-white);
    min-height: 100vh;
    overflow-x: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Layout */
.container {
    display: grid;
    grid-template-columns: 250px 1fr;
    grid-template-rows: 80px 1fr;
    min-height: 100vh;
}

/* Header */
.header {
    grid-column: 1 / -1;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px 0 24px; /* Matches the 24px line of sight with the sidebar */
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px var(--shadow);
    z-index: 100;
}

.logo-section {
    display: flex;
    align-items: center;
    /* No longer needs gap since welcome-user moved to header-options */
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #FFFFFF; /* High contrast solid white as requested */
}

.logo-icon {
    font-size: 2rem;
    color: var(--accent-white);
}

.brand-logo {
    height: 2.8rem;
    width: auto;
    object-fit: contain;
    mix-blend-mode: screen;
    /* Blends the custom image seamlessly into the project's dark background */
    filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.8));
    /* Much brighter golden glow */
    animation: pulseLogo 2s infinite alternate;
    /* Faster, more energetic pulse */
    transform: scale(2.0) translateX(12px); /* Scales nicely and shifts right clearly towards the text */
    transform-origin: center; /* Expands evenly from the middle instead of shooting off entirely to the left */
}

@keyframes pulseLogo {
    0% {
        filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5)) brightness(1.1);
    }

    100% {
        filter: drop-shadow(0 0 30px rgba(255, 215, 0, 1)) brightness(1.4);
    }

    /* Intense blinding gold peak */
}

.welcome-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    color: var(--text-white);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.05);
}

.welcome-user i {
    font-size: 1.1rem;
    color: var(--accent-white);
}

.welcome-user span {
    font-weight: 500;
    font-size: 0.95rem;
}

.welcome-user.hidden {
    display: none;
}

.header-options {
    display: flex;
    align-items: center;
    gap: 20px;
}

.option-card {
    background-color: var(--card-black);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-gray);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.option-card:hover {
    background-color: var(--accent-white);
    color: var(--primary-black);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow);
}

/* Sidebar */
.sidebar {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--glass-border);
    padding: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
    height: 100%;
}

.sidebar-option {
    padding: 15px 24px; /* Matches 24px logo alignment */
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.sidebar-option:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--accent-white);
}

.sidebar-option.active {
    background-color: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--accent-white);
}

.sidebar-option i {
    font-size: 1.2rem;
    width: 25px;
    color: var(--text-gray);
}

.sidebar-option:hover i,
.sidebar-option.active i {
    color: var(--accent-white);
}

.sidebar-option span {
    font-weight: 500;
    font-size: 1.05rem;
}

#logout-btn {
    margin-top: auto;
    border-top: 1px solid var(--border-gray);
    padding-top: 20px;
}

/* Main Content */
.main-content {
    padding: 30px;
    background-color: var(--primary-black);
    overflow-y: auto;
    max-height: calc(100vh - 80px);
}

@keyframes fadeInSlideUp {
    0% {
        opacity: 0;
        transform: translateY(15px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-section {
    animation: fadeInSlideUp 0.3s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.hidden {
    display: none !important;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-gray);
    display: flex;
    align-items: center;
    gap: 15px;
}

.section-title i {
    color: var(--accent-white);
}

/* Dashboard Layout */
.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 80%;
}

.dashboard-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 25px;
    border: 1px solid var(--glass-border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 24px -4px rgba(0, 0, 0, 0.2);
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(30, 41, 59, 0.6);
}

/* Recent Expenses Grid */
.recent-expenses-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 15px;
}

.recent-expenses-grid .budget-card {
    width: 100%;
    margin-bottom: 0;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.wide-card {
    grid-column: 1 / -1;
    max-width: 100%;
}

/* Card Styles */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--glass-border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 24px -4px rgba(0, 0, 0, 0.2);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-gray);
}

.card-title {
    font-size: 1.4rem;
    font-weight: 600;
}

.card-subtitle {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--secondary-black);
    border: 1px solid var(--border-gray);
    border-radius: 6px;
    color: var(--text-white);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-white);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group.half {
    flex: 1;
    margin-bottom: 0;
}

.form-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 30px;
}

/* Date and Time Inputs */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.7;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="time"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.1);
}

.btn {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    backdrop-filter: blur(4px);
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: var(--brand-gradient);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #7c3aed, #2563eb);
    color: white;
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.btn-danger {
    background-color: #333;
    color: var(--danger-red);
    border-color: var(--danger-red);
}

.btn-danger:hover {
    background-color: var(--danger-red);
    color: var(--primary-black);
}

.btn-google {
    background-color: var(--google-blue);
    color: white;
    border: none;
}

.btn-google:hover {
    background-color: #3367d6;
    color: white;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.9rem;
}

.btn-remove {
    padding: 4px 8px;
    font-size: 0.8rem;
    background-color: transparent;
    border: 1px solid var(--danger-red);
    color: var(--danger-red);
}

.btn-remove:hover {
    background-color: var(--danger-red);
    color: var(--primary-black);
}

/* Progress Bar */
.progress-container {
    margin: 15px 0;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

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

.progress-fill {
    height: 100%;
    background-color: var(--accent-white);
    border-radius: 5px;
    transition: width 0.5s ease;
}

.progress-fill.warning {
    background-color: var(--warning-yellow);
}

.progress-fill.danger {
    background-color: var(--danger-red);
}

.progress-fill.upcoming {
    background-color: var(--upcoming-orange);
}

/* Budget Cards - Grid Layout */
.budgets-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.budget-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 12px;
    padding: 22px;
    border: 1px solid var(--glass-border);
    border-top: 3px solid var(--brand-primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.budget-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    background: rgba(30, 41, 59, 0.5);
}

.category-delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: rgba(255, 107, 107, 0.2);
    border: 1px solid var(--danger-red);
    color: var(--danger-red);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.category-delete-btn:hover {
    background-color: var(--danger-red);
    color: var(--primary-black);
    transform: scale(1.1);
}

.category-delete-btn i {
    font-size: 0.9rem;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-right: 25px;
}

.category-title {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--accent-white);
}

.category-total {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-white);
}

.budget-percentage {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 5px;
    margin-bottom: 10px;
}

.budget-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    justify-content: space-between;
}

/* Expenses within a category */
.budget-expenses {
    margin-top: 15px;
    border-top: 1px solid var(--border-gray);
    padding-top: 15px;
    max-height: 250px;
    overflow-y: auto;
}

.budget-expenses h4 {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin-bottom: 10px;
}

.expense-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.expense-details {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.expense-date {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.expense-desc {
    font-size: 0.9rem;
    color: var(--text-white);
}

.expense-amount {
    font-weight: 600;
    color: var(--accent-white);
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    margin-top: 20px;
}

.expense-table {
    width: 100%;
    border-collapse: collapse;
}

.expense-table th {
    background-color: var(--secondary-black);
    padding: 15px;
    text-align: left;
    border-bottom: 2px solid var(--border-gray);
}

.expense-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-gray);
}

.expense-table tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Chart Container - Updated for Analytics */
.chart-container {
    height: 300px;
    margin-top: 20px;
    position: relative;
}

/* Alert Cards */
.alert-card {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border-left: 4px solid var(--danger-red);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--danger-red);
}

.alert-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    background: rgba(30, 41, 59, 0.6);
}

.alert-card.warning {
    border-left-color: var(--warning-yellow);
}

.alert-card.upcoming {
    border-left-color: var(--upcoming-orange);
}

.alert-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.alert-category {
    font-weight: 600;
    font-size: 1.2rem;
}

.alert-message {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.alert-amount {
    font-weight: 700;
    font-size: 1.3rem;
    align-self: flex-end;
}

.alert-date {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 5px;
}

/* Dashboard Alert Cards */
.dashboard-alert {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border-left: 4px solid var(--upcoming-orange);
    padding: 15px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    margin-bottom: 10px;
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--upcoming-orange);
}

.dashboard-alert:last-child {
    margin-bottom: 0;
}

.dashboard-alert:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    background: rgba(30, 41, 59, 0.6);
}

/* Alerts Section */
.alerts-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--glass-border);
    margin-right: auto;
    max-width: 80%;
    box-shadow: 0 4px 24px -4px rgba(0, 0, 0, 0.2);
}

.alerts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-gray);
}

.alerts-header h3 {
    font-size: 1.2rem;
    color: var(--text-gray);
    font-weight: 500;
}

.alerts-header span {
    font-size: 1rem;
    color: var(--accent-white);
    background-color: var(--secondary-black);
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-gray);
}

.alerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* Analytics Section */
.analytics-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 80%;
}

.analytics-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 24px -4px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
}

.analytics-card:hover {
    box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.3);
}

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

.analytics-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-white);
}

.analytics-subtitle {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.month-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--secondary-black);
    padding: 8px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-gray);
}

.month-selector label {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.month-select {
    background-color: var(--glass-bg);
    color: var(--text-white);
    border: 1px solid var(--border-gray);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
}

.month-select option {
    background-color: #0f172a;
    color: #f8fafc;
}

.month-select:hover {
    border-color: var(--accent-white);
}

.month-select:focus {
    outline: none;
    border-color: var(--accent-white);
}

.month-multi-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: var(--secondary-black);
    padding: 8px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-gray);
    flex-wrap: wrap;
}

.month-multi-selector label {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.month-button-container {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.month-button {
    background-color: var(--card-black);
    color: var(--text-white);
    border: 1px solid var(--border-gray);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.month-button:hover {
    background-color: var(--accent-white);
    color: var(--primary-black);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px var(--shadow);
}

.month-button.selected {
    background-color: var(--accent-white);
    color: var(--primary-black);
    border-color: var(--accent-white);
}

.chart-wrapper {
    height: 300px;
    margin: 20px 0;
    position: relative;
}

/* Worm Chart Specific */
.worm-chart-container {
    height: 250px;
    margin: 20px 0;
    position: relative;
}

.worm-summary {
    margin-top: 25px;
    padding: 20px;
    background-color: var(--secondary-black);
    border-radius: 8px;
    border: 1px solid var(--border-gray);
}

.summary-table {
    width: 100%;
    border-collapse: collapse;
}

.summary-table th {
    text-align: left;
    padding: 12px;
    background-color: var(--card-black);
    color: var(--text-gray);
    font-weight: 500;
    border-bottom: 2px solid var(--border-gray);
}

.summary-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-gray);
}

.summary-table tr:last-child td {
    border-bottom: none;
}

.summary-table .positive-diff {
    color: var(--success-green);
    font-weight: 600;
}

.summary-table .negative-diff {
    color: var(--danger-red);
    font-weight: 600;
}

.no-data-message {
    text-align: center;
    padding: 40px;
    color: var(--text-gray);
    font-size: 1.1rem;
    background-color: var(--secondary-black);
    border-radius: 8px;
    border: 1px solid var(--border-gray);
}

/* Calendar */
.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-top: 20px;
}

.calendar-day {
    background-color: var(--secondary-black);
    border-radius: 6px;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calendar-day:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.calendar-day.active {
    background-color: var(--accent-white);
    color: var(--primary-black);
}

.calendar-day.has-expense {
    border: 1px solid var(--accent-white);
    background-color: rgba(255, 255, 255, 0.05);
}

.calendar-expense-amount {
    font-size: 0.8rem;
    color: var(--danger-red);
    font-weight: 600;
}

.calendar-header {
    font-weight: 600;
    color: var(--text-gray);
    text-align: center;
    padding: 10px;
}

/* Slider */
.slider-container {
    margin: 20px 0;
}

.slider {
    width: 100%;
    height: 8px;
    background: var(--secondary-black);
    border-radius: 4px;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-white);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-white);
    cursor: pointer;
    border: none;
    transition: transform 0.2s ease;
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-backdrop);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card-black);
    border-radius: 12px;
    padding: 30px;
    width: 90%;
    max-width: 450px;
    border: 1px solid var(--border-gray);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-gray);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-white);
}

.close-modal {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-white);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--danger-red);
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger-red);
    transform: rotate(90deg);
}

.modal-body {
    padding: 10px 0;
}

.modal-buttons {
    display: flex;
    gap: 15px;
    margin-top: 25px;
    justify-content: flex-end;
}

/* Login Modal Specific */
.login-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-gray);
}

.divider span {
    padding: 0 15px;
}

.remember-me {
    display: flex;
    align-items: center;
}

/* Budget Removal Modal */
.expenses-list {
    max-height: 300px;
    overflow-y: auto;
    margin: 20px 0;
    padding: 10px;
    background-color: var(--secondary-black);
    border-radius: 8px;
}

.expense-checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-bottom: 1px solid var(--border-gray);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.expense-checkbox-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

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

.expense-checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-white);
}

.expense-checkbox-details {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.expense-checkbox-category {
    font-weight: 600;
}

.expense-checkbox-amount {
    color: var(--danger-red);
    font-weight: 600;
}

.expense-checkbox-date {
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* Hidden Class */
.hidden {
    display: none !important;
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--card-black);
    border-left: 4px solid var(--text-gray);
    /* Default info color */
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px var(--shadow);
    z-index: 99999;
    /* Impossible to hide behind modals */
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateX(150%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left-color: var(--success-green);
}

.notification.success .notification-icon {
    color: var(--success-green);
}

.notification.error {
    border-left-color: var(--alert-red);
}

.notification.error .notification-icon {
    color: var(--alert-red);
}

.notification.info {
    border-left-color: var(--brand-secondary);
}

.notification.info .notification-icon {
    color: var(--brand-secondary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-gray);
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.1rem;
}

/* Separation Lines */
.form-separator {
    border: none;
    border-top: 1px dashed rgba(255, 255, 255, 0.2);
    margin: 25px 0;
    width: 100%;
}

/* Custom Flatpickr Glassmorphism Theme */
.flatpickr-calendar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(16px) !important;
    border: 1px solid var(--glass-border) !important;
    box-shadow: 0 10px 30px var(--shadow) !important;
    border-radius: 12px !important;
    color: var(--text-white) !important;
}

.flatpickr-calendar.arrowTop:before,
.flatpickr-calendar.arrowTop:after,
.flatpickr-calendar.arrowBottom:before,
.flatpickr-calendar.arrowBottom:after {
    display: none !important;
}

.flatpickr-day {
    color: var(--text-white) !important;
    border-radius: 8px !important;
}

.flatpickr-day:hover,
.flatpickr-day:focus {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: transparent !important;
}

.flatpickr-day.selected {
    background: #20b2aa !important;
    /* Custom Teal from References */
    border-color: #20b2aa !important;
    color: white !important;
    border-radius: 50% !important;
    /* Completely circular to match ref */
}

.flatpickr-day.nextMonthDay,
.flatpickr-day.prevMonthDay {
    color: var(--text-gray) !important;
}

.flatpickr-months .flatpickr-month {
    color: var(--text-white) !important;
    fill: var(--text-white) !important;
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
    background: transparent !important;
    color: var(--text-white) !important;
}

.flatpickr-current-month .flatpickr-monthDropdown-months option {
    background: var(--primary-bg) !important;
}

.flatpickr-time {
    border-top: 1px solid var(--glass-border) !important;
}

.flatpickr-time input,
.flatpickr-time .flatpickr-am-pm {
    color: var(--text-white) !important;
    font-size: 1.1rem !important;
    /* Bolder arrows and values matching ref */
    font-weight: bold !important;
}

.flatpickr-time input:hover,
.flatpickr-time .flatpickr-am-pm:hover,
.flatpickr-time input:focus,
.flatpickr-time .flatpickr-am-pm:focus {
    background: rgba(255, 255, 255, 0.05) !important;
}

/* --- Profile Section Styling --- */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    grid-template-rows: auto auto;
    gap: 20px;
}

.profile-header-card {
    grid-column: 1 / 3;
    display: flex;
    align-items: center;
    gap: 25px;
    padding: 25px;
}

.avatar-wrapper {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--border-gray);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
}

.avatar-wrapper:hover {
    border-color: var(--brand-secondary);
}

.avatar-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-upload-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.avatar-wrapper:hover .avatar-upload-layer {
    opacity: 1;
}

.avatar-upload-btn {
    color: var(--text-white);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
}

.profile-header-info h3 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.profile-username {
    color: var(--text-gray);
    font-size: 1.1rem;
}

.profile-details-card,
.profile-financial-card {
    display: flex;
    flex-direction: column;
}

.profile-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-white);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-gray);
}

.mt-15 {
    margin-top: 15px;
}

.mt-20 {
    margin-top: 20px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .dashboard-grid {
        max-width: 90%;
    }

    .alerts-container {
        max-width: 90%;
    }

    .analytics-container {
        max-width: 90%;
    }

    .budgets-grid-container {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
    }

    .sidebar {
        grid-row: 2;
        flex-direction: row;
        overflow-x: auto;
        padding: 15px;
        border-right: none;
        border-bottom: 1px solid var(--border-gray);
    }

    .sidebar-option {
        flex-direction: column;
        padding: 10px 15px;
        min-width: 100px;
        border-left: none;
        border-bottom: 4px solid transparent;
    }

    .sidebar-option:hover,
    .sidebar-option.active {
        border-left: none;
        border-bottom: 4px solid var(--accent-white);
    }

    #logout-btn {
        margin-top: 0;
        border-top: none;
        padding-top: 10px;
    }

    .main-content {
        grid-row: 3;
        padding: 20px;
        max-height: calc(100vh - 140px);
    }

    .form-row {
        flex-direction: column;
        gap: 15px;
    }

    .form-group.half {
        flex: none;
        width: 100%;
    }

    .card-container {
        grid-template-columns: 1fr;
    }

    .logo-section {
        gap: 15px;
    }

    .dashboard-grid,
    .alerts-container,
    .analytics-container {
        max-width: 100%;
    }

    .alerts-grid {
        grid-template-columns: 1fr;
    }

    .analytics-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .month-selector,
    .month-multi-selector {
        width: 100%;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        padding: 15px;
        gap: 15px;
    }

    .header-options {
        width: 100%;
        justify-content: center;
    }

    #username-display {
        display: none;
    }

    .logo-section {
        width: 100%;
        justify-content: space-between;
    }

    .calendar-day {
        min-height: 50px;
        padding: 5px;
    }

    .budgets-grid-container {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        padding: 20px;
    }

    .modal-buttons {
        flex-direction: column;
    }

    .modal-buttons .btn {
        width: 100%;
    }

    .dashboard-card {
        padding: 20px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .chart-wrapper,
    .worm-chart-container {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }

    .logo-icon {
        font-size: 1.8rem;
    }

    .option-card {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .card {
        padding: 20px 15px;
    }

    .dashboard-card {
        padding: 15px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .budget-card {
        padding: 15px;
    }

    .expense-table th,
    .expense-table td {
        padding: 10px;
        font-size: 0.9rem;
    }

    .welcome-user span {
        font-size: 0.85rem;
    }

    .welcome-user {
        padding: 4px 10px;
    }

    .month-button-container {
        justify-content: center;
    }
}

/* Desktop Large */
@media (min-width: 1440px) {
    .container {
        grid-template-columns: 280px 1fr;
    }

    .main-content {
        padding: 40px;
    }

    .budgets-grid-container {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 25px;
    }

    .card-container {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    }

    .analytics-container {
        max-width: 85%;
    }
}