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

:root {
    --primary: #6C63FF;
    --secondary: #4F46E5;
    --success: #10B981;
    --danger: #EF4444;
    --bg: #0F172A;
    --card-bg: rgba(255, 255, 255, 0.08);
    --text: #FFFFFF;
    --border: rgba(255, 255, 255, 0.15);
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

body.light {
    --bg: #F3F4F6;
    --card-bg: rgba(255, 255, 255, 0.9);
    --text: #1F2937;
    --border: rgba(0, 0, 0, 0.1);
}

body {
    font-family: "Poppins", sans-serif;
    background: linear-gradient(135deg, #0F172A, #1E293B);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

.background-blur {
    position: fixed;
    width: 500px;
    height: 500px;
    background: #6C63FF;
    filter: blur(180px);
    top: -100px;
    left: -100px;
    opacity: 0.4;
    z-index: -1;
}

.container {
    width: 95%;
    max-width: 1400px;
    margin: auto;
    padding: 20px 0;
}

/* Header */

header {
    width: 95%;
    margin: auto;
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    gap: 12px;
    align-items: center;
}

.logo i {
    font-size: 32px;
    color: var(--primary);
}

.logo h1 {
    font-size: 28px;
}

#themeToggle {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    background: var(--card-bg);
    color: var(--text);
    backdrop-filter: blur(15px);
    transition: 0.3s;
}

#themeToggle:hover {
    transform: rotate(180deg);
}

/* Glass Effect */

.glass,
.card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 20px;
}

/* Dashboard */

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
}

.card {
    padding: 25px;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-8px);
}

.card i {
    font-size: 32px;
    margin-bottom: 15px;
    color: var(--primary);
}

.card h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.card h2 {
    font-size: 28px;
}

/* Sections */

section {
    margin-top: 25px;
    padding: 25px;
}

h2 {
    margin-bottom: 20px;
}

/* Budget */

.budget-inputs {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Forms */

form,
.controls {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

input,
select,
button {
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
}

input,
select {
    flex: 1;
    min-width: 180px;
    background: rgba(255,255,255,0.1);
    color: var(--text);
    outline: none;
    border: 1px solid var(--border);
}

input::placeholder {
    color: #BDBDBD;
}

button {
    cursor: pointer;
    transition: 0.3s;
    font-weight: 600;
}

button:hover {
    transform: translateY(-3px);
}

/* Buttons */

.add-btn,
#saveBudget,
#exportCSV,
#importData {
    background: var(--primary);
    color: white;
}

.add-btn:hover,
#saveBudget:hover,
#exportCSV:hover,
#importData:hover {
    background: var(--secondary);
}

.delete-btn {
    background: var(--danger);
    color: white;
    padding: 8px 14px;
}

/* Charts */

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

.chart-card {
    padding: 20px;
    height: 350px;
}

canvas {
    margin-top: 20px;
    width: 100% !important;
    height: calc(100% - 40px) !important;
}

/* Table */

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th,
td {
    padding: 16px;
    text-align: left;
}

th {
    background: rgba(255,255,255,0.08);
}

tr {
    border-bottom: 1px solid var(--border);
}

tr:hover {
    background: rgba(255,255,255,0.05);
}

/* Footer */

footer {
    text-align: center;
    padding: 30px;
    color: #BDBDBD;
}

/* Scrollbar */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

/* Responsive */

@media (max-width: 992px) {

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

    .controls {
        flex-direction: column;
    }
}

@media (max-width: 768px) {

    header {
        flex-direction: column;
        gap: 20px;
    }

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

    form {
        flex-direction: column;
    }

    section {
        padding: 18px;
    }

    .logo h1 {
        font-size: 22px;
    }

    .card h2 {
        font-size: 24px;
    }
}
/* Mobile Devices */
@media (max-width: 768px) {

    .container {
        width: 100%;
        padding: 15px;
    }

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

    .budget-inputs,
    form,
    .controls {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    input,
    select,
    button {
        width: 100%;
    }

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


    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 600px;
    }

    header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .logo h1 {
        font-size: 24px;
    }

    .card {
        padding: 20px;
    }

    .card h2 {
        font-size: 22px;
    }
}
@media (min-width: 769px) and (max-width: 1024px) {

    .dashboard {
        grid-template-columns: repeat(2, 1fr);
    }

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

    form {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animation */

.card,
.glass {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {

    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}