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

:root {
    --primary-color: #EC4899;
    --primary-light: #FBCFE8;
    --bg-color: #FFFFFF;
    --section-bg: #F9FAFB;
    --card-bg: #FFFFFF;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --income-color: #10B981;
    --expense-color: #EF4444;
    --border-color: #F1F5F9;
    --sidebar-width: 260px;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--section-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    display: flex;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 10px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
    font-family: inherit;
    transition: var(--transition);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background-color: white;
    position: fixed;
    top: 0;
    left: 0;
    padding: 30px 20px;
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 50px;
    padding-left: 10px;
}

.sidebar-menu {
    flex: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    border-radius: 12px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.menu-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.menu-item:hover {
    background-color: #FFF1F2;
    color: var(--primary-color);
}

.menu-item.active {
    background-color: var(--primary-color);
    color: white;
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.logout-btn {
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    border-radius: 12px;
    color: var(--expense-color);
    font-weight: 500;
}

.logout-btn:hover {
    background-color: #FEF2F2;
}

.install-btn {
    width: 100%;
    text-align: left;
    display: none; /* Hidden by default, shown by JS */
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    border-radius: 12px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 5px;
    background-color: #FFF1F2;
}

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

/* App-like refinements */
body {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

.btn, .menu-item, .mode-tab, .logo {
    user-select: none;
}

@media (display-mode: standalone) {
    .sidebar {
        padding-top: 50px; /* Space for iOS status bar if needed */
    }
}

/* Main Content Wrapper */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.header-title h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.header-title p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Summary Grid */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.summary-card-inner {
    display: flex;
    align-items: center;
    gap: 20px;
}

.summary-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.summary-details .label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.summary-details .value {
    font-size: 1.4rem;
    font-weight: 700;
}

.icon-blue { background-color: #EFF6FF; color: #3B82F6; }
.icon-green { background-color: #ECFDF5; color: #10B981; }
.icon-red { background-color: #FEF2F2; color: #EF4444; }
.icon-pink { background-color: #FDF2F8; color: #EC4899; }

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: 30px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

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

.btn-primary:hover {
    background-color: #DB2777;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

/* Transaction List */
.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
}

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

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

.t-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background-color: var(--section-bg);
}

.t-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.t-details p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

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

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

/* Modal & Form Grid */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 24px;
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 25px;
}

.form-grid .full-width {
    grid-column: span 2;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 18px;
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    background-color: #FFF1F2;
}

/* Mode Selector Row */
.mode-selector-row {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

#date-display {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    white-space: nowrap;
    letter-spacing: 0.2px;
}

/* Mode Tabs */
.mode-tabs {
    display: flex;
    gap: 8px;
    background: var(--section-bg);
    padding: 5px;
    border-radius: 14px;
}

.mode-tab {
    padding: 10px 20px;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
}

.mode-tab i {
    font-size: 0.85rem;
}

.mode-tab:hover {
    color: var(--primary-color);
    background-color: var(--primary-light);
}

.mode-tab.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

/* Mobile Toggle */
.mobile-nav-toggle {
    display: none;
}

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

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-wrapper {
        margin-left: 0;
        padding: 20px;
    }
    
    .mobile-nav-toggle {
        display: block;
        margin-right: 15px;
        font-size: 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid .full-width {
        grid-column: span 1;
    }

    .mode-selector-row {
        justify-content: center;
        gap: 10px;
    }

    #date-display {
        width: 100%;
        text-align: center;
        font-size: 0.95rem;
    }

    .mode-tabs {
        width: 100%;
        justify-content: center;
    }

    .mode-tab {
        flex: 1;
        justify-content: center;
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    .mode-selector-row .btn {
        flex: 1;
        justify-content: center;
        min-width: 0;
    }
}