:root {
    --bg-color: #1e1e2e;
    --fg-color: #cdd6f4;
    --surface-color: #313244;
    --subtle-color: #45475a;
    --primary-accent: #89b4fa;
    --income-color: #a6e3a1;
    --expense-color: #f38ba8;
    --net-income-color: #f9e2af;
    --status-bg: #45475a;
    --font-family: 'Source Code Pro', monospace;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    --transition-speed: 0.3s;
}

body.theme-light {
    --bg-color: #eff1f5;
    --fg-color: #4c4f69;
    --surface-color: #e6e9ef;
    --subtle-color: #9ca0b0;
    --primary-accent: #1e66f5;
    --income-color: #40a02b;
    --expense-color: #d20f39;
    --net-income-color: #df8e1d;
    --status-bg: #ccd0da;
    --box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

body {
    background-color: var(--bg-color);
    color: var(--fg-color);
    transition: all var(--transition-speed); 
    min-height: 100vh;
    font-family: var(--font-family);
    display: flex;
    flex-direction: column;
}

main {
    flex-grow: 1;
}

h1, h2, h3, .amount-value, button {
    font-family: var(--font-family);
    font-weight: 700;
}
h1, header p {
    color: var(--fg-color) !important;
}

.accent-color { color: var(--primary-accent); }
.subtle-text { color: var(--subtle-color); }

.btn.subtle-text {
    background: transparent;
    border: none;
    color: var(--subtle-color);
}
.btn.subtle-text:hover {
    color: var(--primary-accent);
}

.section-card {
    background-color: var(--surface-color);
    color: var(--fg-color);
    border: 1px solid var(--subtle-color);
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2); 
    transition: all var(--transition-speed);
    transform: translateY(0);
}

.section-card:hover {
    transform: translateY(-5px); 
    border-color: var(--primary-accent);
    box-shadow: var(--box-shadow), 0 0 25px rgba(137, 180, 250, 0.4); 
}

.form-control, .form-select {
    background-color: var(--bg-color);
    color: var(--fg-color);
    border: 1px solid var(--subtle-color);
    transition: all var(--transition-speed);
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-color);
    color: var(--fg-color);
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 0.25rem var(--primary-accent)40; 
}

.date-input-container {
    position: relative;
    display: flex;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--subtle-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    transition: all var(--transition-speed);
    cursor: pointer;
}

.date-input-container:hover {
    border-color: var(--primary-accent);
}

.date-input-container input[type="date"] {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.date-display {
    flex-grow: 1;
    font-weight: 600;
    color: var(--fg-color);
}

.date-input-container .date-icon {
    color: var(--primary-accent);
    margin-left: 10px;
}

.date-input-container:has(input[type="date"]:focus) {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 0.25rem var(--primary-accent)40;
}

.btn-catpuccin {
    background-color: var(--primary-accent);
    color: var(--bg-color); 
    font-weight: 600;
    border: none;
    transition: all 0.2s ease-in-out;
}

.btn-catpuccin:hover {
    background-color: var(--primary-accent); 
    filter: brightness(1.2);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(137, 180, 250, 0.6); 
}

.btn-delete {
    background-color: var(--expense-color);
    color: var(--bg-color);
    font-size: 0.75rem;
    padding: 4px 8px;
    transition: all 0.2s;
    border-radius: 6px;
}
.btn-delete:hover {
    background-color: var(--expense-color);
    filter: brightness(1.2);
    transform: scale(1.1);
}

.error-message {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--expense-color);
    background-color: rgba(243, 139, 168, 0.1);
    border: 1px solid var(--expense-color);
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    transition: opacity var(--transition-speed);
}

.summary-box {
    padding: 1.25rem;
    border-radius: 10px;
    text-align: center;
    border: 2px solid var(--subtle-color); 
    transition: all var(--transition-speed);
    position: relative;
    background-color: var(--bg-color); 
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.1); 
}

.summary-box:hover {
     border-style: dashed;
     border-width: 2px;
     transform: translateY(-3px);
     box-shadow: var(--box-shadow), 0 0 20px rgba(137, 180, 250, 0.3);
}

.summary-box h5 {
    font-size: 1rem;
    color: var(--subtle-color);
}

.amount-value {
    font-size: 2rem;
    font-weight: 700;
}

.summary-income { border-color: var(--income-color); }
.summary-income .amount-value { color: var(--income-color); }

.summary-expense { border-color: var(--expense-color); }
.summary-expense .amount-value { color: var(--expense-color); }

.summary-net { border-color: var(--net-income-color); }
.summary-net .amount-value { color: var(--net-income-color); }

.summary-net.negative { border-color: var(--expense-color); }
.summary-net.negative .amount-value { color: var(--expense-color); }

#financial-status-message {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 15px;
    padding: 10px;
    border-radius: 6px;
    text-align: center;
    background-color: var(--status-bg); 
    color: var(--fg-color); 
    border: 2px solid var(--subtle-color); 
    transition: all var(--transition-speed);
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 15px 22px; 
    margin: 10px; 
    border-radius: 10px; 
    border: 1px solid rgba(137, 180, 250, 0.06); 
    background-color: var(--bg-color); 
    box-sizing: border-box;
    overflow: hidden; 
    transition: background-color var(--transition-speed), border-color var(--transition-speed), transform 0.12s, box-shadow var(--transition-speed); 
    opacity: 0;
    animation: fadeIn 0.5s forwards;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.transaction-item:hover {
    background-color: rgba(137, 180, 250, 0.1); 
    border-color: var(--primary-accent);
    box-shadow: 0 0 10px rgba(137, 180, 250, 0.4); 
}

#transaction-list li {
    padding: 0;
    border-bottom: none;
}

.transaction-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 8px 14px;
    min-width: 0;
}

.item-description {
    font-weight: 600;
    font-size: 1rem; 
    display: flex;
    align-items: center;
    margin-bottom: 5px; 
}
.item-description .type-emoji {
    font-size: 1.1em;
    margin-right: 10px;
    transition: transform 0.2s;
    display: inline-block;
}

.item-date {
    color: var(--subtle-color);
    font-size: 0.8rem;
    margin-top: 4px;
}

.item-category {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    background-color: var(--status-bg); 
    border: 1px solid var(--subtle-color);
    color: var(--fg-color);
    margin-left: 10px;
    font-weight: 400; 
}

.description-line {
    display: flex;
    align-items: center;
}

.transaction-amount {
    font-weight: 700;
    min-width: 90px;
    max-width: 180px; 
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    text-align: right;
    transition: color var(--transition-speed);
    font-size: 1.1rem;
}

.transaction-amount.income-text { 
    color: var(--income-color); 
    text-shadow: 0 0 5px rgba(166, 227, 161, 0.5);
}
.transaction-amount.expense-text { 
    color: var(--expense-color); 
    text-shadow: 0 0 5px rgba(243, 139, 168, 0.5);
}

.d-flex.align-items-center {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 12px;
    padding-right: 6px;
    flex-shrink: 0;
}

@media (max-width: 576px) {
    .transaction-item {
        flex-wrap: wrap; 
        padding: 12px;
    }
    .transaction-details {
        width: 100%;
        padding-right: 0;
        margin-bottom: 8px;
    }
    .description-line {
        flex-direction: row; 
        flex-wrap: wrap;
    }
    .item-category {
        margin-left: 0;
        margin-top: 5px;
        display: block; 
    }
    .transaction-amount {
        order: 3;
        width: calc(100% - 40px); 
        text-align: left;
        font-size: 1.2rem;
    }
    .btn-delete {
        order: 2; 
    }
}

#transaction-list {
    padding: 8px 10px;
}

.btn-delete {
    padding: 6px 9px;
    border-radius: 6px;
    margin-right: 6px; 
    box-shadow: 0 2px 6px rgba(0,0,0,0.35);
}