body {
    margin: 0;
    font-family: Segoe UI;
    background: #f4f6fa
}

.layout {
    display: flex
}

.sidebar {
    width: 220px;
    background: #0f172a;
    color: #fff;
    min-height: 100vh;
    padding: 20px
}

.sidebar a {
    display: block;
    color: #ccc;
    padding: 10px;
    border-radius: 6px;
    text-decoration: none
}

.sidebar a.active,
.sidebar a:hover {
    background: #2563eb;
    color: #fff
}

.logout {
    color: #f87171 !important
}

.content {
    flex: 1;
    padding: 25px
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px
}

.card {
    background: #fff;
    padding: 15px;
    border-radius: 8px
}

table {
    width: 100%;
    background: #fff;
    border-radius: 8px;
    margin-top: 20px
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid #eee;
    text-align: left
}

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(#2563eb, #1e40af)
}

.login-box {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    width: 300px;
    text-align: center
}

.login-box input,
textarea,
button {
    width: 100%;
    padding: 10px;
    margin: 8px 0
}

button {
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 6px
}

.search {
    padding: 10px;
    width: 250px;
    margin-bottom: 10px
}

.email-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.email-box,
.email-preview {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
}

.email-box input,
select {
    width: 100%;
    padding: 10px;
    margin: 6px 0 15px;
}

.email-box button {
    background: #2563eb;
    color: #fff;
    padding: 12px;
    width: 100%;
    border: none;
    border-radius: 6px;
}

.preview-box {
    background: #f9fafb;
    padding: 15px;
    border-radius: 8px;
    font-size: 14px;
}

@media(max-width:900px) {
    .email-grid {
        grid-template-columns: 1fr;
    }
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.blue-btn {
    background: #2563eb;
    color: #fff;
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
}

.gray-btn {
    background: #e5e7eb;
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
}

.hint {
    color: #555;
    font-size: 14px;
    margin: 10px 0;
}

.template-card {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .4);
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-box {
    background: #fff;
    width: 350px;
    padding: 20px;
    border-radius: 10px;
}

.modal-box input,
textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.settings-box {
    background: #fff;
    max-width: 650px;
    padding: 20px;
    border-radius: 10px;
}

.settings-box input {
    width: 100%;
    padding: 8px;
    margin-bottom: 12px;
}

.info-box {
    padding: 10px;
    border-radius: 6px;
    margin: 10px 0;
    font-size: 14px;
}

.info-box.blue {
    background: #eef2ff;
    color: #1e3a8a
}

.info-box.yellow {
    background: #fef3c7;
    color: #92400e
}

@media(max-width:768px) {
    .settings-box {
        width: 100%
    }
}