/* Custom CSS for Income and Expense Tracker (Premium Dark Mode) */
@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-card-border: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    
    --color-income: #10b981;
    --color-expense: #ef4444;
    --color-cash: #06b6d4;
    --color-transfer: #8b5cf6;
    
    --glass-blur: blur(12px);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Prompt', 'Sarabun', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    padding: 24px;
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bg-card-border);
}

h1 {
    font-size: 1.8rem;
    font-weight: 600;
    background: linear-gradient(to right, #a5b4fc, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 10px 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    padding: 10px 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--bg-card-border);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 6px 12px;
}

.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.35);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-md);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.card-main::before { background-color: var(--primary); }
.card-income::before { background-color: var(--color-income); }
.card-expense::before { background-color: var(--color-expense); }

.card-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-value {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.card-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 8px;
    margin-top: 8px;
}

.summary-sub-item {
    margin-bottom: 4px;
}

/* Cash vs Transfer Section */
.payment-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}

.payment-sub-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px;
    border-radius: var(--radius-sm);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.payment-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.payment-val {
    font-size: 1rem;
    font-weight: 600;
}

/* Two Column Layout */
.app-layout {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 900px) {
    .app-layout {
        grid-template-columns: 1fr;
    }
}

/* Forms & Cards */
.section-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
}

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

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

input[type="text"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 12px;
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

/* Type Toggle (Income/Expense Radio buttons) */
.type-toggle {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
}

.type-option {
    flex: 1;
    position: relative;
}

.type-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.type-label {
    display: block;
    text-align: center;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.type-option input[type="radio"]:checked + .type-label.label-expense {
    background-color: rgba(239, 68, 68, 0.15);
    border-color: var(--color-expense);
    color: #fca5a5;
}

.type-option input[type="radio"]:checked + .type-label.label-income {
    background-color: rgba(16, 185, 129, 0.15);
    border-color: var(--color-income);
    color: #a7f3d0;
}

/* Category Selection Box with quick add */
.category-input-group {
    display: flex;
    gap: 8px;
}

.icon-btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--bg-card-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

/* Image Upload Styling */
.image-upload-wrapper {
    position: relative;
}

.image-upload-input {
    display: none;
}

.image-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

.image-upload-label:hover {
    border-color: var(--primary);
    color: var(--text-main);
}

.image-preview-container {
    margin-top: 12px;
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 200px;
    display: none;
}

.image-preview-container img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.remove-img-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: rgba(15, 23, 42, 0.8);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.remove-img-btn:hover {
    background-color: var(--color-expense);
}

/* History, Search & Filter */
.filters-container {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 20px;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.filters-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 12px;
}

.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.transaction-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    transition: var(--transition);
}

.transaction-card:hover {
    transform: translateX(4px);
    background-color: rgba(30, 41, 59, 0.85);
}

.border-income {
    border-left: 4px solid var(--color-income);
}

.border-expense {
    border-left: 4px solid var(--color-expense);
}

.transaction-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.category-indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.transaction-info {
    flex-grow: 1;
}

.transaction-category-name {
    font-weight: 600;
    font-size: 1.05rem;
}

.transaction-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.transaction-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}

.transaction-right {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.transaction-amount {
    font-size: 1.15rem;
    font-weight: 700;
}

.text-income {
    color: var(--color-income);
}

.text-expense {
    color: var(--color-expense);
}

.transaction-actions {
    display: flex;
    gap: 6px;
}

.action-btn {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--text-main);
}

.action-btn.delete-btn:hover {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

.modal-content {
    background-color: #1e293b;
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-md);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 24px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    animation: modalSlide 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-receipt-content {
    max-width: 600px;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.close-modal-btn {
    background: transparent;
    color: var(--text-muted);
    font-size: 1.5rem;
    padding: 4px;
}

.close-modal-btn:hover {
    color: var(--text-main);
}

/* Daily & Monthly breakdowns styling */
.breakdowns-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 24px;
}

@media (max-width: 600px) {
    .breakdowns-container {
        grid-template-columns: 1fr;
    }
}

.breakdown-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.breakdown-list {
    max-height: 250px;
    overflow-y: auto;
    margin-top: 12px;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.breakdown-day-group {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 12px;
}

.breakdown-day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    padding-bottom: 8px;
    margin-bottom: 8px;
}

.breakdown-day-items {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-left: 4px;
}

.breakdown-sub-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    padding: 4px 0;
}

.breakdown-sub-item-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breakdown-date {
    font-size: 0.9rem;
    font-weight: 600;
}

.breakdown-amounts {
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Category Manager inside Modal */
.category-manager-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 4px;
}

.cat-mgr-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.03);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--bg-card-border);
}

.cat-mgr-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cat-mgr-badge {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.system-tag {
    font-size: 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
}

.delete-cat-btn {
    background-color: transparent;
    color: #f87171;
    padding: 4px;
}

.delete-cat-btn:hover {
    color: var(--color-expense);
}

.cat-creator-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--bg-card-border);
    padding: 16px;
    border-radius: var(--radius-sm);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
    font-size: 0.9rem;
    border: 1px dashed rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
}