:root {
    --arusp-surface: #f7f8fa;
    --arusp-card: #ffffff;
    --arusp-border: #d9e2ec;
    --arusp-text: #1f2d3d;
    --arusp-muted: #6b7785;
    --arusp-primary: #0a66c2;
    --arusp-primary-dark: #084f97;
    --arusp-success-bg: #e8f8ef;
    --arusp-success-border: #88d7ab;
    --arusp-success-text: #0f5132;
}

.arusp-submission-shell {
    max-width: 1200px;
    margin: 30px auto;
    padding: 28px;
    border: 1px solid var(--arusp-border);
    border-radius: 24px;
    background: linear-gradient(180deg, #f5f8fb 0%, #f9fbfc 100%);
    font-family: inherit;
    color: var(--arusp-text);
}

.arusp-submission-shell,
.arusp-form-title,
.arusp-steps-title,
.arusp-step-item h3,
.arusp-submission-shell .acf-label label {
    font-family: inherit !important;
}

.arusp-steps-card {
    border: 1px solid var(--arusp-border);
    border-radius: 20px;
    padding: 22px;
    margin-bottom: 28px;
    background: var(--arusp-card);
}

.arusp-steps-title {
    margin: 0 0 16px;
    font-size: 34px;
    line-height: 1.2;
    font-weight: 800;
    color: #11263d;
    text-align: right;
}

.arusp-steps-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.arusp-step-item {
    position: relative;
    background: var(--arusp-surface);
    border: 1px solid #e6edf5;
    border-radius: 14px;
    padding: 14px 14px 12px;
    min-height: 126px;
}

.arusp-step-item.is-active {
    border-color: #bcd7f4;
    background: #eef5fd;
}

.arusp-step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #dceafe;
    color: var(--arusp-primary);
    font-weight: 800;
    margin-bottom: 8px;
}

.arusp-step-item h3 {
    margin: 0 0 6px;
    font-size: 21px;
    line-height: 1.25;
    color: #162d44;
}

.arusp-step-item p {
    margin: 0;
    font-size: 16px;
    color: var(--arusp-muted);
    line-height: 1.6;
}

.arusp-form-card {
    background: var(--arusp-card);
    border: 1px solid var(--arusp-border);
    border-radius: 20px;
    padding: 24px;
}

.arusp-form-title {
    margin: 0 0 8px;
    font-size: 42px;
    line-height: 1.2;
    color: #122a42;
    font-weight: 800;
}

.arusp-form-subtitle {
    margin: 0 0 24px;
    color: var(--arusp-muted);
    font-size: 20px;
}

.arusp-submission-shell .acf-form {
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    max-width: 100%;
}

.arusp-submission-shell .acf-fields {
    border: 0;
    background: transparent;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 20px;
}

.arusp-submission-shell .acf-field {
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    min-height: auto;
}

.arusp-submission-shell .acf-field[data-name="research_file"],
.arusp-submission-shell .acf-field[data-name="research_title"] {
    grid-column: 1 / -1;
}

.arusp-submission-shell .acf-label {
    margin-bottom: 8px;
}

.arusp-submission-shell .acf-label label {
    color: #18324a;
    font-size: 20px;
    font-weight: 700;
}

.arusp-submission-shell .acf-label label .acf-required {
    color: #d62828;
}

.arusp-submission-shell .acf-input input[type="text"],
.arusp-submission-shell .acf-input input[type="email"],
.arusp-submission-shell .acf-input input[type="tel"],
.arusp-submission-shell .acf-input input[type="number"],
.arusp-submission-shell .acf-input select,
.arusp-submission-shell .acf-input textarea {
    width: 100%;
    height: 56px;
    padding: 12px 14px;
    border: 1px solid #cbd7e3;
    border-radius: 14px;
    background: #ffffff;
    font-size: 18px;
    line-height: 1.4;
    color: #1e2f41;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.arusp-submission-shell .acf-input textarea {
    min-height: 140px;
    height: auto;
    resize: vertical;
}

.arusp-submission-shell .acf-input input:focus,
.arusp-submission-shell .acf-input select:focus,
.arusp-submission-shell .acf-input textarea:focus {
    outline: none;
    border-color: #98bde3;
    box-shadow: 0 0 0 4px rgba(10, 102, 194, 0.1);
}

.arusp-submission-shell .acf-input input[type="file"] {
    width: 100%;
    padding: 14px;
    border: 2px dashed #c7d8ea;
    border-radius: 14px;
    background: #fbfdff;
    min-height: 170px;
}

.arusp-submission-shell .acf-form-submit {
    margin-top: 22px;
    text-align: left;
}

.arusp-submission-shell .acf-form input[type="submit"] {
    background: linear-gradient(180deg, #f8ca1a 0%, #ebb90b 100%);
    color: #19273a;
    border: 0;
    border-radius: 999px;
    padding: 14px 34px;
    min-width: 180px;
    font-size: 23px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 6px 14px rgba(224, 171, 0, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.arusp-submission-shell .acf-form input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(224, 171, 0, 0.28);
}

.arusp-submission-shell .acf-submission-message {
    background: var(--arusp-success-bg);
    border: 1px solid var(--arusp-success-border);
    color: var(--arusp-success-text);
    border-radius: 14px;
    padding: 18px;
}

.arusp-submission-shell .acf-submission-message p {
    margin: 0 0 8px;
    font-size: 18px;
}

.arusp-submission-shell .acf-submission-message p:last-child {
    margin-bottom: 0;
}

@media (max-width: 1199px) {
    .arusp-steps-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    .arusp-submission-shell {
        margin: 18px auto;
        padding: 14px;
        border-radius: 16px;
    }

    .arusp-steps-card,
    .arusp-form-card {
        padding: 16px;
        border-radius: 14px;
    }

    .arusp-steps-title {
        font-size: 26px;
    }

    .arusp-form-title {
        font-size: 32px;
    }

    .arusp-form-subtitle {
        font-size: 17px;
    }

    .arusp-steps-grid,
    .arusp-submission-shell .acf-fields {
        grid-template-columns: 1fr;
    }

    .arusp-step-item {
        min-height: auto;
    }

    .arusp-submission-shell .acf-label label {
        font-size: 18px;
    }

    .arusp-submission-shell .acf-input input[type="text"],
    .arusp-submission-shell .acf-input input[type="email"],
    .arusp-submission-shell .acf-input input[type="tel"],
    .arusp-submission-shell .acf-input input[type="number"],
    .arusp-submission-shell .acf-input select,
    .arusp-submission-shell .acf-input textarea {
        font-size: 16px;
        height: 50px;
    }

    .arusp-submission-shell .acf-input textarea {
        min-height: 120px;
        height: auto;
    }

    .arusp-submission-shell .acf-form-submit {
        text-align: center;
    }

    .arusp-submission-shell .acf-form input[type="submit"] {
        width: 100%;
        min-width: 0;
        font-size: 20px;
    }
}