* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Arial, sans-serif;
}

body {
    background: linear-gradient(120deg, #eef2ff, #f9fafb);
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 40px 20px;
}

/* HEADER */
header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 38px;
    color: #1f2937;
}

header p {
    color: #6b7280;
    margin-top: 8px;
}

/* CARDS */
.card {
    background: #ffffff;
    border-radius: 14px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.card h2 {
    margin-bottom: 18px;
    color: #374151;
}

/* FORM */
.form {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.form input {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    font-size: 15px;
}

.form input:focus {
    outline: none;
    border-color: #6366f1;
}

.form button {
    padding: 12px 28px;
    background: #6366f1;
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

.form button:hover {
    background: #4f46e5;
}

/* REVENUE CARD */
.revenue-card {
    background: linear-gradient(120deg, #22c55e, #16a34a);
    color: white;
    padding: 30px;
    border-radius: 14px;
    text-align: center;
    margin-bottom: 30px;
}

.revenue-card h2 {
    font-size: 22px;
}

.revenue-card p {
    font-size: 34px;
    font-weight: bold;
    margin-top: 12px;
}

/* TABLE */
table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: #6366f1;
    color: white;
}

th, td {
    padding: 14px;
    text-align: center;
}

tbody tr {
    border-bottom: 1px solid #e5e7eb;
}

tbody tr:hover {
    background: #f3f4f6;
}

/* DELETE BUTTON */
.delete-btn {
    background: #ef4444;
    color: white;
    padding: 6px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
}

.delete-btn:hover {
    background: #dc2626;
}

/* FOOTER */
footer {
    text-align: center;
    margin-top: 40px;
    color: #6b7280;
    font-size: 14px;
}