html, body {
    height: 100%;
    margin: 0;
}

body {
    overflow: hidden;
    background: #4FC3F7;
}

.container {
    max-width: 500px;
    margin: 20px auto;
    padding: 16px;
    background: #4FC3F7;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    height: calc(100vh - 40px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.sticky-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #4FC3F7;
    padding-top: 8px;
    padding-bottom: 8px;
    margin-bottom: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.header {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1f2937;
}

h2 {
    font-size: 18px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
}

.tab {
    flex: 1;
    padding: 8px;
    border-radius: 8px;
    background: #FFF176;
    cursor: pointer;
    font-weight: 600;
    border: 2px solid transparent;
}

.tab.active {
    background: #FFF176;
    color: #000;
    border-color: #000;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.tab:hover {
    background: #FFE082;
}

.reports-redirect {
    margin-top: 12px;
    background: #4FC3F7;
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    color: #000;
}

.reports-redirect-title {
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 8px;
}

.reports-redirect-link {
    display: inline-block;
    margin-top: 8px;
    padding: 10px 14px;
    background: #FFF176;
    color: #000;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid transparent;
}

.reports-redirect-link:active,
.reports-redirect-link:focus-visible {
    border-color: #000;
}

/* Tab visibility */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 24px;
}

/* Shared form structure ONLY */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 4px;
}

.section-header {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1f2937;
}