:root {
    --primary: #4338f2;
    --primary-dark: #2f25d9;
    --bg: #eef4fb;
    --card: #fff;
    --text: #1e2030;
    --input: #f4f1ff;
    --border: #e2e7ef;
    --success: #0b6e69;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    background: var(--bg);
    flex-direction: column;
    min-height: 100vh;
    font-family: Inter, sans-serif;
    display: flex;
}
a {
    text-decoration: none;
}
.topbar {
    background: #f8f5fb;
    border-bottom: 1px solid #e7ebf3;
    align-items: center;
    height: 82px;
    display: flex;
}
.navbar-custom {
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1280px;
    margin: auto;
    padding: 0 20px;
    display: flex;
}
.logo {
    color: var(--primary);
    font-size: 38px;
    font-weight: 800;
}
.nav-icons {
    gap: 24px;
    display: flex;
}
.nav-icons a {
    color: #444;
    font-size: 22px;
}
.main-wrapper {
    flex: 1;
    padding: 50px 20px 70px;
}
.container-custom {
    width: 100%;
    max-width: 1280px;
    margin: auto;
}
.page-title {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 58px;
    font-weight: 800;
}
.page-subtitle {
    color: #5d6478;
    max-width: 820px;
    margin-bottom: 55px;
    font-size: 19px;
    line-height: 1.8;
}
.grid-layout {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
    gap: 28px;
    display: grid;
}
.card-box {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 26px;
    padding: 35px;
}
.section-title {
    color: var(--text);
    align-items: center;
    gap: 12px;
    margin-bottom: 35px;
    font-size: 22px;
    font-weight: 800;
    display: flex;
}
.section-title i {
    color: var(--primary);
}
.verify-title i {
    color: var(--success);
}
.form-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    display: grid;
}
.full {
    grid-column: 1/-1;
}
.input-group-custom {
    margin-bottom: 22px;
}
.input-group-custom label {
    color: #444;
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 500;
    display: block;
}
.custom-input,
.custom-select,
.custom-textarea {
    background: var(--input);
    color: #222;
    border: none;
    border-radius: 16px;
    outline: none;
    width: 100%;
    padding: 0 18px;
    font-size: 16px;
}
.custom-input,
.custom-select {
    height: 60px;
}
.custom-textarea {
    resize: none;
    height: 140px;
    padding-top: 18px;
}
.custom-input::placeholder,
.custom-textarea::placeholder {
    color: #9ea3b6;
}
.info-alert {
    background: #f3f0ff;
    border-radius: 18px;
    gap: 15px;
    margin-bottom: 28px;
    padding: 20px;
    display: flex;
}
.info-alert i {
    color: var(--primary);
    font-size: 20px;
}
.info-alert p {
    color: #5f6478;
    margin: 0;
    line-height: 1.8;
}
.upload-group {
    margin-bottom: 25px;
}
.upload-label {
    color: #333;
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 500;
    display: block;
}
.upload-box {
    text-align: center;
    cursor: pointer;
    background: #fff;
    border: 2px dashed #cbc6e6;
    border-radius: 22px;
    padding: 38px 25px;
    transition: all 0.3s;
}
.upload-box:hover {
    border-color: var(--primary);
}
.upload-box i {
    color: #838099;
    margin-bottom: 15px;
    font-size: 42px;
    display: block;
}
.upload-box h5 {
    color: #555;
    margin-bottom: 8px;
    font-size: 18px;
    font-weight: 500;
}
.upload-box span {
    color: #999;
    font-size: 14px;
}
.upload-box b {
    color: #444;
    text-decoration: underline;
}
.btn-main {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 18px;
    width: 100%;
    height: 64px;
    margin-top: 10px;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s;
}
.btn-main:hover {
    background: var(--primary-dark);
}
.btn-main i {
    margin-left: 10px;
}
footer {
    background: var(--bg);
    border-top: 1px solid #dde4ef;
    padding: 30px 0;
}
.footer-container {
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 1280px;
    margin: auto;
    padding: 0 20px;
    display: flex;
}
.footer-logo {
    color: var(--primary);
    font-size: 30px;
    font-weight: 800;
}
.footer-links {
    flex-wrap: wrap;
    gap: 35px;
    display: flex;
}
.footer-links a {
    color: #5f6477;
}
.copyright {
    color: #5f6477;
    font-size: 15px;
}
@media (width<=992px) {
    .grid-layout,
    .form-grid {
        grid-template-columns: 1fr;
    }
    .page-title {
        font-size: 42px;
    }
    .footer-container {
        text-align: center;
        justify-content: center;
    }
}
.upload-box {
    position: relative;
    overflow: hidden;
}
.upload-box input[type="file"] {
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}