/* DM tools suite — shared nav, landing grid, iframe layout */

/* ----- Nav (standalone + inside iframe) ----- */
.dm-tools-nav {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 12px 20px;
    min-height: 48px;
    padding: 10px 20px;
    background: var(--mg-black);
    color: rgba(250, 252, 240, 0.85);
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.dm-tools-nav a {
    color: var(--mg-green);
    text-decoration: none;
    font-weight: 500;
}

.dm-tools-nav a:hover {
    color: #5ec9d4;
    text-decoration: underline;
}

.dm-tools-nav a[aria-current="page"] {
    color: var(--mg-yellow);
    text-decoration: none;
    pointer-events: none;
}

.dm-tools-nav-brand {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-right: 8px;
}

.dm-tools-nav-list {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px 16px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.dm-tools-nav-list li {
    flex-shrink: 0;
    margin: 0;
}

html.dm-tools-nav-root,
body.dm-tools-nav-root {
    margin: 0;
    min-height: auto;
    background: var(--mg-black);
}

body.dm-tools-nav-root {
    display: block;
}

/* ----- Tool pages: nav iframe + main ----- */
body.dm-tools-tool-body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

iframe.dm-tools-nav-frame {
    flex-shrink: 0;
    width: 100%;
    height: 52px;
    border: none;
    display: block;
}

body.dm-tools-tool-body > .page-container {
    flex: 1;
}

/* ----- Landing grid ----- */
.dm-tools-landing {
    text-align: left;
}

.dm-tools-landing .header {
    text-align: center;
    margin-bottom: 40px;
}

.dm-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

a.dm-tools-card {
    display: flex;
    flex-direction: column;
    padding: 24px;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(23, 51, 63, 0.08);
    border: 1px solid var(--mg-gray-light);
    color: inherit;
    text-decoration: none;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

a.dm-tools-card:hover {
    box-shadow: 0 8px 28px rgba(23, 51, 63, 0.12);
    transform: translateY(-2px);
    text-decoration: none;
    color: inherit;
}

.dm-tools-card-icon {
    font-size: 40px;
    line-height: 1;
    margin-bottom: 16px;
}

.dm-tools-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--mg-black);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.dm-tools-card-desc {
    font-size: 15px;
    line-height: 1.5;
    color: var(--mg-gray);
    flex: 1;
}

@media (max-width: 600px) {
    .dm-tools-nav {
        padding: 12px 16px;
    }
}