:root {
    --bg-color: #0a0a0a;
    --card-bg: #141414;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #a855f7; /* Purple */
    --accent-hover: #9333ea;
    --accent-light: rgba(168, 85, 247, 0.1);
    --border-color: #222222;
    --error-color: #ff4444;
    --today-bg: rgba(168, 85, 247, 0.15);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 2rem 1rem;
    overflow-x: hidden;
}

body.modal-open {
    overflow: hidden;
}

.app-hidden {
    display: none !important;
}

.auth-shell {
    min-height: calc(100vh - 4rem);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.auth-shell[hidden] {
    display: none !important;
}

.auth-card {
    width: min(460px, 100%);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 2rem;
}

.auth-title {
    font-size: 1.5rem;
    margin-bottom: 0.35rem;
    text-align: left;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 1.2rem;
}

.auth-form {
    margin-top: 0.8rem;
}

.auth-error {
    color: var(--error-color);
    min-height: 1.2rem;
    margin-top: 1rem;
    font-size: 0.78rem;
}

.auth-user-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    margin-bottom: 0.9rem;
    padding: 0.45rem 0.55rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.auth-current-user {
    font-size: 0.7rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logout-btn {
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 0.35rem 0.55rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.logout-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

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

header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 2rem;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.stat-card.highlight {
    border-color: var(--accent-color);
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.stats-charts {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.chart-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    position: relative;
}

.chart-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    margin-bottom: 0.7rem;
}

.chart-card-header h3 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.8px;
}

.chart-card-meta {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-color);
    white-space: nowrap;
}

.stats-chart {
    width: 100%;
    height: 170px;
    display: block;
}

.chart-grid-line {
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 0.35;
}

.chart-bar {
    fill: rgba(168, 85, 247, 0.85);
    transition: opacity 0.2s ease, stroke 0.2s ease, stroke-width 0.2s ease, filter 0.2s ease;
}

.chart-bar-secondary {
    fill: rgba(96, 165, 250, 0.82);
    transition: opacity 0.2s ease, stroke 0.2s ease, stroke-width 0.2s ease, filter 0.2s ease;
}

.stats-chart.is-hovering .chart-bar,
.stats-chart.is-hovering .chart-bar-secondary {
    opacity: 0.32;
}

.chart-bar.is-active,
.chart-bar-secondary.is-active {
    opacity: 1 !important;
    stroke: rgba(255, 255, 255, 0.92);
    stroke-width: 0.35;
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.35));
}

.chart-labels {
    margin-top: 0.6rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.66rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.chart-tooltip {
    position: absolute;
    z-index: 20;
    pointer-events: none;
    background: rgba(10, 10, 10, 0.95);
    border: 1px solid rgba(168, 85, 247, 0.6);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 0.32rem 0.5rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    white-space: nowrap;
    opacity: 0;
    transform: translate(-50%, -130%);
    transition: opacity 0.15s ease;
}

.chart-tooltip.visible {
    opacity: 1;
}

/* Calendar Styles */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 0 1rem;
    position: relative;
}

.month-picker-wrapper {
    position: relative;
}

.month-picker-trigger {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: none;
    border: 1px solid transparent;
    color: var(--text-primary);
    padding: 0.5rem 0.9rem;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
}

.month-picker-trigger:hover,
.month-picker-trigger[aria-expanded="true"] {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--border-color);
}

.calendar-nav-btn {
    min-width: 44px;
}

.calendar-nav-btn,
.month-picker-year-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
}

.calendar-nav-btn:hover,
.month-picker-year-btn:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

.month-picker {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 50%;
    transform: translateX(-50%);
    width: 320px;
    background: rgba(20, 20, 20, 0.96);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
    z-index: 50;
    backdrop-filter: blur(12px);
}

.month-picker-header {
    display: grid;
    grid-template-columns: 44px 1fr 44px;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.9rem;
}

#picker-current-year {
    text-align: center;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.6px;
}

.month-picker-year-btn {
    width: 44px;
    height: 36px;
    padding: 0;
}

.month-picker-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
}

.month-picker-month {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-color);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 0.55rem 0.45rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.month-picker-month:hover {
    color: var(--text-primary);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.month-picker-month.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-color);
    font-weight: 700;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 12px;
    background-color: transparent;
    border: none;
    border-radius: 0;
    overflow: visible;
    margin-top: 1rem;
}

.calendar-day-header {
    background-color: transparent;
    padding: 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 700;
}

.calendar-day {
    background-color: var(--card-bg);
    min-height: 100px;
    min-width: 0;
    padding: 1rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.calendar-day:hover {
    background-color: #1a1a1a;
    border-color: var(--accent-color);
    transform: scale(1.02);
    z-index: 10;
}

.calendar-day.today {
    background-color: var(--today-bg);
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.2);
}

.calendar-day.other-month {
    opacity: 0.2;
    filter: grayscale(1);
}

.calendar-day.has-payments {
    background-color: rgba(168, 85, 247, 0.05);
}

.day-number {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-primary);
    flex: 0 0 auto;
}

.day-header-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    min-width: 0;
}

.day-import-btn {
    border: 1px solid var(--border-color);
    background: rgba(168, 85, 247, 0.08);
    color: var(--text-secondary);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.55rem;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    padding: 0.2rem 0.32rem;
    cursor: pointer;
    flex: 1 1 auto;
    width: auto;
    max-width: none;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    overflow-wrap: normal;
    word-break: normal;
    line-height: 1.1;
    text-align: center;
    transition: all 0.2s ease;
}

.day-import-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(168, 85, 247, 0.16);
}

.day-import-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.day-total {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-color);
    background: rgba(168, 85, 247, 0.1);
    padding: 4px 8px;
    border-radius: 8px;
    align-self: flex-end;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000; /* Much higher than sidebar */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 2rem auto;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 550px;
    border-radius: 20px;
    position: relative;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
}

/* Custom scrollbar for modal */
.modal-content::-webkit-scrollbar {
    width: 6px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.close-modal {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.modal-content h2 {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

input {
    width: 100%;
    padding: 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn-primary {
    width: 100%;
    padding: 1rem;
    background-color: var(--accent-color);
    color: var(--bg-color);
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    font-family: inherit;
    transition: background-color 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.payments-toggle-row {
    margin-bottom: 0.8rem;
}

.toggle-payments-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(168, 85, 247, 0.02));
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-payments-btn:hover {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.16), rgba(168, 85, 247, 0.04));
}

.toggle-payments-btn.active {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.toggle-payments-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.payment-list {
    margin-bottom: 0;
    max-height: 250px;
    overflow-y: auto;
    padding-right: 0.45rem;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) rgba(255, 255, 255, 0.06);
    opacity: 1;
    transform: translateY(0);
    transition: max-height 0.28s ease, opacity 0.22s ease, transform 0.22s ease, margin-bottom 0.22s ease;
}

.payment-list.collapsed {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    margin-bottom: 0;
}

.payment-list:not(.collapsed) {
    max-height: 250px;
    margin-bottom: 2rem;
}

.payment-list::-webkit-scrollbar {
    width: 12px;
}

.payment-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
}

.payment-list::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(168, 85, 247, 0.95), rgba(147, 51, 234, 0.85));
    border-radius: 10px;
    border: 2px solid rgba(20, 20, 20, 0.85);
}

.payment-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(186, 110, 255, 1), rgba(147, 51, 234, 0.95));
}

.payment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.payment-info {
    display: flex;
    flex-direction: column;
}

.payment-amount {
    font-weight: 700;
}

.payment-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.payment-actions {
    display: flex;
    gap: 1rem;
}

.btn-delete {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    font-size: 0.8rem;
}

/* Custom Number Input Arrows */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.number-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.number-controls {
    position: absolute;
    right: 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.control-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 20px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.control-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

/* Templates Styling */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.template-btn {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.7rem;
    text-align: left;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.template-btn:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.template-price {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 0.8rem;
}

.app-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
    position: relative;
}

.sidebar {
    width: 280px;
    padding: 2rem 1.5rem;
    position: fixed;
    height: 100vh;
    z-index: 100; /* Lower than modal */
    left: 0;
    top: 0;
}

.sidebar-content {
    background: rgba(20, 20, 20, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    height: 100%;
    border-radius: 24px;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 3rem;
    text-align: center;
    letter-spacing: 2px;
}

.main-container {
    flex: 1;
    margin-left: 280px;
    padding: 2rem 3rem;
    width: calc(100% - 280px);
    min-height: 100vh;
    min-width: 0;
    position: relative;
    z-index: 1;
    overflow-x: hidden;
}

/* Tabs Navigation Vertical */
.tabs-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: transparent;
    border: none;
    padding: 0;
    width: 100%;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 1rem 1.2rem;
    border-radius: 16px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 400;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    width: 100%;
}

.tab-btn svg {
    opacity: 0.6;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.tab-btn:hover svg {
    opacity: 1;
    transform: translateX(3px);
}

.tab-btn.active {
    background: var(--accent-color);
    color: var(--bg-color);
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(168, 85, 247, 0.2);
}

.tab-btn.active svg {
    opacity: 1;
    stroke: var(--bg-color);
}

@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
        padding: 1.5rem 0.8rem;
    }
    .sidebar .tab-btn span {
        display: none;
    }
    .main-container {
        margin-left: 80px;
        padding: 1.5rem;
    }
    .tab-btn {
        justify-content: center;
        padding: 1rem;
    }
}

@media (hover: none) {
    .calendar-day:hover {
        transform: none;
        border-color: var(--border-color);
        background-color: var(--card-bg);
    }

    .tab-btn:hover svg {
        transform: none;
    }

    .payment-card:hover,
    .stat-card:hover {
        transform: none;
        border-color: var(--border-color);
    }
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease-out;
    min-width: 0;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Payments Tab Specific */
.payments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
}

.payments-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.sync-yookassa-btn {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: rgba(168, 85, 247, 0.1);
    color: var(--text-primary);
    padding: 0.65rem 0.9rem;
    font-family: inherit;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.sync-yookassa-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.sync-yookassa-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.full-payments-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.payment-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.3s ease;
}

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

.payment-date-badge {
    font-size: 0.7rem;
    background: var(--accent-light);
    color: var(--accent-color);
    padding: 4px 10px;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    display: inline-flex;
    align-self: flex-start;
    width: fit-content;
    line-height: 1.2;
    white-space: nowrap;
}

/* Custom Notification */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toast {
    background: var(--card-bg);
    border: 1px solid var(--accent-color);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: slideIn 0.3s ease-out;
    min-width: 250px;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Confirm Dialog */
.confirm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20000; /* Highest */
}

.confirm-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 20px;
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.confirm-btns {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-secondary {
    flex: 1;
    padding: 1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
}

.btn-confirm {
    flex: 1;
    padding: 1rem;
    background: var(--accent-color);
    color: var(--bg-color);
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
}
@media (max-width: 768px) {
    body {
        padding: 0.75rem;
    }

    .auth-shell {
        min-height: calc(100vh - 1.5rem);
        padding: 0;
    }

    .auth-card {
        padding: 1.2rem 1rem;
        border-radius: 14px;
    }

    .auth-user-row {
        margin-bottom: 0.6rem;
        padding: 0.4rem 0.5rem;
    }

    .app-layout {
        display: block;
    }

    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        padding: 0;
        margin-bottom: 0.9rem;
    }

    .sidebar-content {
        height: auto;
        border-radius: 16px;
        padding: 0.7rem;
        gap: 0.6rem;
    }

    .logo {
        margin-bottom: 0;
        font-size: 1.1rem;
        text-align: left;
        letter-spacing: 1px;
    }

    .tabs-nav {
        flex-direction: row;
        overflow-x: auto;
        gap: 0.45rem;
        padding-bottom: 0.2rem;
        scrollbar-width: thin;
    }

    .tabs-nav::-webkit-scrollbar {
        height: 6px;
    }

    .tabs-nav::-webkit-scrollbar-thumb {
        background: var(--border-color);
        border-radius: 6px;
    }

    .sidebar .tab-btn span {
        display: inline;
    }

    .tab-btn {
        min-width: 150px;
        justify-content: center;
        padding: 0.7rem 0.85rem;
        border-radius: 12px;
        font-size: 0.78rem;
        gap: 0.55rem;
    }

    .tab-btn svg {
        width: 16px;
        height: 16px;
    }

    .main-container {
        margin-left: 0;
        width: 100%;
        min-height: auto;
        min-width: 0;
        padding: 0.2rem;
    }

    header {
        margin-bottom: 1rem;
    }

    h1 {
        font-size: 1.25rem;
        margin-bottom: 0;
        text-align: left;
    }

    .payments-header {
        align-items: stretch;
        flex-direction: column;
        margin-bottom: 1rem;
    }

    .payments-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .payments-search {
        width: 100%;
    }

    .payment-card {
        padding: 1rem;
        align-items: flex-start;
        flex-direction: column;
        gap: 0.8rem;
    }

    .payment-card .payment-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .calendar-header {
        margin-bottom: 1rem;
        padding: 0;
        gap: 0.5rem;
    }

    .calendar-nav-btn {
        min-width: 38px;
        padding: 0.45rem 0.75rem;
    }

    .month-picker-trigger {
        font-size: 0.9rem;
        letter-spacing: 0.4px;
        padding: 0.45rem 0.65rem;
        max-width: calc(100vw - 130px);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .month-picker {
        width: min(320px, calc(100vw - 2.5rem));
    }

    .calendar-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 6px;
    }

    .calendar-day-header {
        display: none;
    }
    
    .calendar-day {
        min-height: 72px;
        min-width: 0;
        padding: 0.35rem;
        border-radius: 10px;
    }

    .day-number {
        font-size: 0.7rem;
    }

    .day-total {
        font-size: 0.62rem;
        padding: 2px 4px;
        border-radius: 6px;
        max-width: 100%;
    }

    .day-import-btn {
        font-size: 0.5rem;
        padding: 0.14rem 0.18rem;
        border-radius: 5px;
        line-height: 1.1;
        max-width: none;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .stat-card {
        padding: 1rem;
        border-radius: 10px;
    }

    .stat-value {
        font-size: 1.15rem;
    }

    .stats-charts {
        grid-template-columns: 1fr;
        gap: 0.9rem;
    }

    .chart-card {
        padding: 0.75rem;
        border-radius: 10px;
    }

    .stats-chart {
        height: 130px;
    }

    .chart-labels {
        font-size: 0.58rem;
    }

    .modal-content {
        width: 100%;
        max-width: none;
        height: 100%;
        max-height: 100%;
        margin: 0;
        padding: 1.1rem 0.9rem 1.4rem;
        border-radius: 0;
        border: none;
    }

    .close-modal {
        right: 0.9rem;
        top: 0.35rem;
        font-size: 1.85rem;
    }

    .modal-content h2 {
        margin-bottom: 1rem;
        font-size: 1rem;
        padding-right: 2rem;
    }

    .templates-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.55rem;
        margin-bottom: 1rem;
    }

    .template-btn {
        padding: 0.55rem;
        border-radius: 8px;
    }

    .template-price {
        font-size: 0.72rem;
    }

    .payment-list:not(.collapsed) {
        max-height: 38vh;
        margin-bottom: 1rem;
    }

    .payment-item {
        padding: 0.75rem 0;
    }

    .payment-actions {
        gap: 0.5rem;
    }

    .btn-primary {
        padding: 0.85rem;
    }

    .toast-container {
        right: 0.75rem;
        left: 0.75rem;
        bottom: 0.75rem;
        gap: 0.55rem;
    }

    .toast {
        min-width: 0;
        width: 100%;
        padding: 0.75rem 0.85rem;
        border-radius: 10px;
        font-size: 0.8rem;
    }
}

@media (max-width: 420px) {
    .tab-btn {
        min-width: 130px;
        font-size: 0.72rem;
    }

    .calendar-day {
        min-height: 64px;
        padding: 0.3rem;
    }

    .day-number {
        font-size: 0.66rem;
    }

    .day-total {
        font-size: 0.53rem;
        padding: 1px 3px;
    }

    .day-import-btn {
        font-size: 0.47rem;
        letter-spacing: 0.1px;
        line-height: 1.05;
    }

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

    .chart-card-header h3 {
        font-size: 0.74rem;
    }

    .chart-card-meta {
        font-size: 0.72rem;
    }

}