/* ========================================
   MONEYTRACKER - Deferred CSS
   Стили, загружаемые асинхронно
   ======================================== */

/* ========================================
   Custom Cursor
   ======================================== */

.cursor-follower {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, border-color 0.2s;
    mix-blend-mode: difference;
}

.cursor-follower.hover {
    width: 50px;
    height: 50px;
    border-color: var(--accent-secondary);
}

@media (max-width: 768px) {
    .cursor-follower {
        display: none;
    }
}

/* ========================================
   Modal
   ======================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

[data-theme="light"] .modal-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    width: 100%;
    max-width: 380px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-fast);
    overflow: hidden;
    position: relative;
    font-family: 'Courier New', monospace;
}

/* Receipt paper texture */
.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)'/%3E%3C/svg%3E");
    opacity: 0.08;
    pointer-events: none;
    z-index: 1;
}

/* Receipt torn edge at bottom */
.modal-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 12px;
    background: linear-gradient(135deg, transparent 33.33%, var(--bg-secondary) 33.33%, var(--bg-secondary) 66.66%, transparent 66.66%),
                linear-gradient(225deg, transparent 33.33%, var(--bg-secondary) 33.33%, var(--bg-secondary) 66.66%, transparent 66.66%);
    background-size: 12px 12px;
    transform: translateY(6px);
    z-index: 2;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    border-bottom: 1px dashed var(--border-color);
    position: relative;
    z-index: 3;
}

.modal-title {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-family: 'Courier New', monospace;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--expense-color);
}

.modal-close svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
}

.modal-close:hover svg {
    color: white;
}

.modal-body {
    padding: 15px 20px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    z-index: 3;
}

.modal-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    background: transparent;
    border-radius: 0;
    border-bottom: 1px dotted var(--border-color);
    font-family: 'Courier New', monospace;
}

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

.modal-item-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-item-icon {
    font-size: 1.3rem;
}

.modal-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.modal-item-category {
    font-weight: 600;
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
}

.modal-item-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.modal-item-amount {
    font-weight: 700;
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.modal-item-amount.positive {
    color: var(--income-color);
}

.modal-item-amount.negative {
    color: var(--expense-color);
}

.modal-footer {
    padding: 15px 20px;
    border-top: 2px dashed var(--border-color);
    background: transparent;
    position: relative;
    z-index: 3;
    margin-bottom: 10px;
}

.modal-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-total-label {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.modal-total-amount {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.modal-total-amount.positive {
    color: var(--income-color);
}

.modal-total-amount.negative {
    color: var(--expense-color);
}

[data-theme="light"] .modal-content {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Background Effects
   ======================================== */

.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* Subtle vignette for light theme */
[data-theme="light"] .bg-effects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.04) 100%);
    z-index: 10;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
    transition: opacity var(--transition-medium);
}

[data-theme="light"] .gradient-orb {
    opacity: 0.25;
    filter: blur(120px);
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-tertiary) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

/* Softer orb colors for light theme */
[data-theme="light"] .orb-1 {
    background: radial-gradient(circle, rgba(92, 77, 255, 0.4) 0%, transparent 70%);
}

[data-theme="light"] .orb-2 {
    background: radial-gradient(circle, rgba(0, 119, 204, 0.3) 0%, transparent 70%);
}

[data-theme="light"] .orb-3 {
    background: radial-gradient(circle, rgba(230, 0, 92, 0.25) 0%, transparent 70%);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(-50px, -30px) scale(1.05); }
}

.noise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: var(--noise-opacity);
    transition: opacity var(--transition-medium);
}

/* Extra grain layer for light theme */
[data-theme="light"] .noise-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='turbulence' baseFrequency='0.6' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)'/%3E%3C/svg%3E");
    opacity: 0.08;
    mix-blend-mode: multiply;
}

/* ========================================
   Charts Grid
   ======================================== */

.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

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

.chart-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 25px;
    opacity: 1 !important;
    pointer-events: auto;
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.chart-period-select {
    display: flex;
    gap: 5px;
}

.period-btn {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.period-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.period-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.chart-container {
    position: relative;
    height: 250px;
}

.categories-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

/* ========================================
   Transactions Section
   ======================================== */

.transactions-section {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 25px;
}

.transactions-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.transactions-header h3 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.transactions-filter {
    display: flex;
    gap: 5px;
}

.filter-btn {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

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

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Date group header */
.date-group {
    margin-top: 20px;
}

.date-group:first-child {
    margin-top: 0;
}

.date-header {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.date-header-date {
    color: var(--text-secondary);
}

.date-header-total {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.date-header-total.positive {
    color: var(--income-color);
}

.date-header-total.negative {
    color: var(--expense-color);
}

.transaction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: all var(--transition-fast);
}

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

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

.transaction-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.transaction-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.transaction-category {
    font-weight: 600;
    font-size: 0.9rem;
}

.transaction-subcategory {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.transaction-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
}

.transaction-amount {
    font-weight: 700;
    font-size: 1rem;
}

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

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

.transaction-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: monospace;
}

.transaction-method {
    font-size: 0.65rem;
    color: var(--text-muted);
    padding: 2px 8px;
    background: var(--glass-bg);
    border-radius: 4px;
}

[data-theme="light"] .transaction-item,
[data-theme="light"] .purchase-card {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .transaction-item:hover,
[data-theme="light"] .purchase-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* ========================================
   Purchase Cards (Expandable)
   ======================================== */

.purchase-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.purchase-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateX(5px);
}

.purchase-card:active {
    transform: scale(0.98);
}

.purchase-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    gap: 15px;
}

.purchase-left {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    min-width: 0;
}

.purchase-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.purchase-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.purchase-title {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.purchase-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.purchase-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
    flex-shrink: 0;
}

.purchase-amount {
    font-weight: 700;
    font-size: 1rem;
}

.purchase-amount.positive {
    color: var(--income-color);
}

.purchase-amount.negative {
    color: var(--expense-color);
}

.purchase-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: monospace;
}

.purchase-method {
    font-size: 0.65rem;
    color: var(--text-muted);
    padding: 2px 8px;
    background: var(--glass-bg);
    border-radius: 4px;
}

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

.empty-state svg {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-slide-in {
    animation: slideInLeft 0.4s ease-out forwards;
}

/* Staggered animations */
.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

/* ========================================
   Responsive Adjustments (Deferred)
   ======================================== */

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

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

    .charts-grid {
        gap: 12px;
        margin-bottom: 16px;
    }

    .chart-card,
    .transactions-section {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .transaction-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .transaction-right {
        align-items: flex-start;
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
    }

    .charts-grid {
        gap: 8px;
        margin-bottom: 12px;
    }

    .chart-card,
    .transactions-section {
        padding: 12px;
        border-radius: 14px;
    }

    .transactions-list {
        gap: 12px;
    }
}