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

:root {
    /* Font sizing scaling (controlled by JS) */
    --base-font-size: 16px;
    
    /* Colors: Neon Blue (Income) & Neon Red (Expense) */
    --bg-dark: #0a0e1a;
    --bg-dark-accent: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.95);
    
    /* Neon Colors */
    --neon-blue: #00d2ff;
    --neon-blue-glow: rgba(0, 210, 255, 0.35);
    --neon-red: #ff3366;
    --neon-red-glow: rgba(255, 51, 102, 0.35);
    
    /* Status & Neutrals */
    --primary: var(--neon-blue);
    --primary-glow: var(--neon-blue-glow);
    --danger: var(--neon-red);
    --danger-glow: var(--neon-red-glow);
    --accent: #10b981; /* green */
    --accent-glow: rgba(16, 185, 129, 0.3);
    --warning: #f59e0b; /* orange/yellow */
    --warning-glow: rgba(245, 158, 11, 0.3);
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border-color: rgba(0, 210, 255, 0.15);
    --border-hover: rgba(0, 210, 255, 0.45);
    
    /* Decorative & Layout */
    --glass-blur: 16px;
    --font-family: 'Prompt', 'Sarabun', sans-serif;
    --transition-speed: 0.25s;
    --border-radius: 16px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Light Theme Variables Toggle for older executives' readability */
[data-theme="light"] {
    --bg-dark: #f3f4f6;
    --bg-dark-accent: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: #ffffff;
    
    --neon-blue: #0056b3;
    --neon-blue-glow: rgba(0, 86, 179, 0.25);
    --neon-red: #d32f2f;
    --neon-red-glow: rgba(211, 47, 47, 0.25);
    
    --primary: var(--neon-blue);
    --primary-glow: var(--neon-blue-glow);
    --danger: var(--neon-red);
    --danger-glow: var(--neon-red-glow);
    --accent: #2e7d32;
    --accent-glow: rgba(46, 125, 50, 0.2);
    
    --text-main: #111827;
    --text-muted: #4b5563;
    --border-color: rgba(0, 86, 179, 0.2);
    --border-hover: rgba(0, 86, 179, 0.5);
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--base-font-size);
    background-color: var(--bg-dark);
    background-image: radial-gradient(circle at 5% 5%, rgba(0, 210, 255, 0.06) 0%, transparent 40%),
                      radial-gradient(circle at 95% 95%, rgba(255, 51, 102, 0.06) 0%, transparent 40%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed), font-size var(--transition-speed);
}

/* Base font-size scales everything using rem */
html {
    font-size: 100%; /* base */
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
    flex: 1;
}

/* Header & Glassmorphic Navbar */
header {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1.5px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2.2rem;
    color: var(--primary);
    filter: drop-shadow(0 0 10px var(--primary-glow));
    animation: swim 5s ease-in-out infinite;
}

@keyframes swim {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(-6deg); }
}

.logo-text h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-tab {
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.75rem 1.4rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 1.05rem;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-tab:hover {
    color: var(--primary);
    background: rgba(0, 210, 255, 0.08);
    border-color: var(--border-hover);
}

.nav-tab.active {
    color: #ffffff;
    background: linear-gradient(135deg, var(--neon-blue), #0070f3);
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue-glow);
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

.nav-tab.active-expense {
    color: #ffffff;
    background: linear-gradient(135deg, var(--neon-red), #e60000);
    border-color: var(--neon-red);
    box-shadow: 0 0 15px var(--neon-red-glow);
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

/* Accessibility Control Area */
.accessibility-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.control-btn {
    background: var(--bg-dark-accent);
    border: 1.5px solid var(--border-color);
    color: var(--text-main);
    min-width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all var(--transition-speed) ease;
    padding: 0;
}

.control-btn:hover {
    border-color: var(--primary);
    box-shadow: 0 0 8px var(--primary-glow);
    transform: translateY(-2px);
}

.control-btn.font-large {
    font-size: 1.2rem;
}

.control-btn.font-small {
    font-size: 0.8rem;
}

/* Quick Summary Cards (Blue and Red Neon design) */
.summary-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
}

.summary-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.summary-card.income {
    border-color: rgba(0, 210, 255, 0.3);
}

.summary-card.income:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.15), var(--box-shadow);
}

.summary-card.expense {
    border-color: rgba(255, 51, 102, 0.3);
}

.summary-card.expense:hover {
    border-color: var(--neon-red);
    box-shadow: 0 0 15px rgba(255, 51, 102, 0.15), var(--box-shadow);
}

.summary-card.balance {
    border-color: rgba(16, 185, 129, 0.3);
}

.summary-card.balance:hover {
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.15), var(--box-shadow);
}

.summary-info h3 {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.summary-value {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.summary-card.income .summary-value {
    color: var(--neon-blue);
    text-shadow: 0 0 12px var(--neon-blue-glow);
}

.summary-card.expense .summary-value {
    color: var(--neon-red);
    text-shadow: 0 0 12px var(--neon-red-glow);
}

.summary-card.balance .summary-value {
    color: var(--accent);
    text-shadow: 0 0 12px var(--accent-glow);
}

.summary-card.balance.deficit .summary-value {
    color: var(--neon-red);
    text-shadow: 0 0 12px var(--neon-red-glow);
}

.summary-icon {
    font-size: 2rem;
    padding: 0.9rem;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.summary-card.income .summary-icon {
    background: rgba(0, 210, 255, 0.1);
    color: var(--neon-blue);
    border: 1px solid rgba(0, 210, 255, 0.2);
}

.summary-card.expense .summary-icon {
    background: rgba(255, 51, 102, 0.1);
    color: var(--neon-red);
    border: 1px solid rgba(255, 51, 102, 0.2);
}

.summary-card.balance .summary-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.summary-card.balance.deficit .summary-icon {
    background: rgba(255, 51, 102, 0.1);
    color: var(--neon-red);
    border: 1px solid rgba(255, 51, 102, 0.2);
}

/* Layout Panels */
.panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Forms and Columns layout */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.75rem;
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-speed) ease;
}

.card:hover {
    border-color: var(--border-hover);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, var(--neon-blue), #0070f3);
}

.card.expense-card::before {
    background: linear-gradient(to bottom, var(--neon-red), #e60000);
}

.card.info-card::before {
    background: linear-gradient(to bottom, var(--warning), #ffd740);
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1.5px solid var(--border-color);
    padding-bottom: 0.9rem;
    margin-bottom: 1.25rem;
}

.card-title i {
    color: var(--primary);
    filter: drop-shadow(0 0 5px var(--primary-glow));
}

.card.expense-card .card-title i {
    color: var(--neon-red);
    filter: drop-shadow(0 0 5px var(--neon-red-glow));
}

/* Sub-tab selection within Income Tab */
.sub-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    background: rgba(17, 24, 39, 0.4);
    padding: 0.4rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.sub-tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.65rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-speed) ease;
}

.sub-tab:hover {
    color: var(--neon-blue);
    background: rgba(0, 210, 255, 0.05);
}

.sub-tab.active {
    background: rgba(0, 210, 255, 0.15);
    color: var(--neon-blue);
    border: 1px solid rgba(0, 210, 255, 0.3);
    font-weight: 700;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.col-span-2 {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .form-group.col-span-2 {
        grid-column: span 1;
    }
}

label {
    font-size: 1rem;
    color: var(--text-main);
    font-weight: 600;
}

input, select, textarea {
    background: var(--bg-dark-accent);
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    padding: 0.85rem;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 1.05rem;
    outline: none;
    transition: all var(--transition-speed) ease;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}

.card.expense-card input:focus, 
.card.expense-card select:focus, 
.card.expense-card textarea:focus {
    border-color: var(--neon-red);
    box-shadow: 0 0 10px var(--neon-red-glow);
}

input::placeholder {
    color: rgba(156, 163, 175, 0.4);
}

/* Size range indicator display in real-time */
.size-indicator-box {
    margin-top: 0.5rem;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-color);
    min-height: 46px;
}

.size-label {
    font-weight: 700;
}

/* Button style */
.btn {
    background: linear-gradient(135deg, var(--neon-blue), #0070f3);
    color: #ffffff;
    border: none;
    padding: 0.95rem 1.75rem;
    border-radius: 10px;
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 1.1rem;
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.25);
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.45);
    filter: brightness(1.15);
}

.btn-danger {
    background: linear-gradient(135deg, var(--neon-red), #e60000);
    box-shadow: 0 4px 15px rgba(255, 51, 102, 0.25);
}

.btn-danger:hover {
    box-shadow: 0 6px 20px rgba(255, 51, 102, 0.45);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border-color);
    color: var(--text-main);
    box-shadow: none;
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(0, 210, 255, 0.08);
    color: var(--primary);
}

.btn-outline-danger {
    background: transparent;
    border: 1.5px solid rgba(255, 51, 102, 0.3);
    color: var(--text-main);
    box-shadow: none;
}

.btn-outline-danger:hover {
    border-color: var(--neon-red);
    background: rgba(255, 51, 102, 0.08);
    color: var(--neon-red);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    border-radius: 8px;
}

/* History logs on side panels */
.panel-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.5rem;
}

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

.history-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 550px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.history-item {
    background: var(--bg-dark-accent);
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-speed) ease;
}

.history-item:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.history-item.expense-item {
    border-color: rgba(255, 51, 102, 0.15);
}

.history-item.expense-item:hover {
    border-color: var(--neon-red);
}

.history-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.history-title-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.history-title {
    font-weight: 700;
    font-size: 1.05rem;
}

.history-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.history-amount-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.history-amount {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.history-amount.income {
    color: var(--neon-blue);
    text-shadow: 0 0 8px var(--neon-blue-glow);
}

.history-amount.expense {
    color: var(--neon-red);
    text-shadow: 0 0 8px var(--neon-red-glow);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 6px;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--neon-red);
    background: rgba(255, 51, 102, 0.1);
}

.btn-icon.btn-edit:hover {
    color: var(--neon-blue);
    background: rgba(0, 210, 255, 0.15);
}

/* Badges for Fish size & Sections */
.badge {
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-block;
}

.badge-small {
    background: rgba(0, 210, 255, 0.1);
    color: var(--neon-blue);
    border: 1px solid var(--neon-blue);
}

.badge-medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.badge-large {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent);
    border: 1px solid var(--accent);
}

.badge-section {
    background: rgba(156, 163, 175, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
    font-weight: 600;
}

.badge-section.farm {
    background: rgba(0, 210, 255, 0.05);
    color: var(--neon-blue);
    border-color: rgba(0, 210, 255, 0.3);
}

.badge-section.shop {
    background: rgba(245, 158, 11, 0.05);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.badge-section.pond {
    background: rgba(16, 185, 129, 0.05);
    color: var(--accent);
    border-color: rgba(16, 185, 129, 0.3);
}

.badge-section.expense {
    background: rgba(255, 51, 102, 0.05);
    color: var(--neon-red);
    border-color: rgba(255, 51, 102, 0.3);
}

/* Dashboard Tab grid layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.chart-container {
    position: relative;
    height: 340px;
    width: 100%;
}

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
}

/* Ledger / Detailed History Tab */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-dark-accent);
    padding: 1.25rem;
    border-radius: var(--border-radius);
    border: 1.5px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.filters-inputs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.filters-inputs .form-group {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.filters-inputs label {
    white-space: nowrap;
    font-size: 0.95rem;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1.5px solid var(--border-color);
    background: var(--bg-card);
    box-shadow: var(--box-shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 1.05rem;
}

th {
    background: var(--bg-dark-accent);
    color: var(--text-main);
    font-weight: 700;
    padding: 1rem;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

tr:hover td {
    background: rgba(0, 210, 255, 0.03);
}

tr.expense-row:hover td {
    background: rgba(255, 51, 102, 0.03);
}

/* Tab contents control */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: slideUp 0.35s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.empty-state i {
    font-size: 4rem;
    color: var(--border-color);
    filter: drop-shadow(0 0 5px var(--primary-glow));
}

.empty-state p {
    font-size: 1.15rem;
    font-weight: 500;
}

/* Footer styling */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    border-top: 1.5px solid var(--border-color);
    background: var(--bg-dark-accent);
    margin-top: auto;
}

footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}

/* Helper texts */
.helper-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.helper-text.warning-text {
    color: var(--warning);
}

/* Font awesome replacements if font awesome is blocked */
.fallback-icon {
    display: inline-block;
    width: 1.25em;
    text-align: center;
}