/* Modernized hover menu and lightweight UI tokens for the DTM app
   - Preserves original colors: primary #20548E, accent #409EE3, alert #7F1616
   - Adds responsive layout, cards, inputs, buttons, and micro-interactions
*/

:root {
    --dtm-primary: #20548E;
    --dtm-primary-2: #409EE3;
    --dtm-accent: #7F1616;
    --dtm-bg: #F6F8FB;
    --dtm-surface: #FFFFFF;
    --dtm-text: #16324a;
    --dtm-muted: #6b7785;
    --radius: 8px;
    --easing: cubic-bezier(.2, .9, .2, 1);
}

/* General layout: make menu flexible and touch friendly */
#MenuDeroulant {
    margin: 0;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    font-family: Inter, 'Segoe UI', Tahoma, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

#MenuDeroulant>li {
    list-style: none;
    position: relative;
}

#MenuDeroulant>li>a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    color: #fff;
    background: linear-gradient(180deg, var(--dtm-primary), #1A4473 90%);
    text-decoration: none;
    border-radius: 6px;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 2px 6px rgba(16, 40, 60, 0.08);
    transition: transform .15s var(--easing), box-shadow .15s var(--easing), background .15s var(--easing);
    font-weight: 600;
}

#MenuDeroulant>li>a:hover,
#MenuDeroulant>li>a:focus {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(16, 40, 60, 0.14);
}

/* Dropdown container */
#MenuDeroulant li ul {
    position: absolute;
    left: 0;
    top: calc(100% + 10px);
    margin: 0;
    padding: 12px;
    min-width: 220px;
    max-width: 640px;
    box-sizing: border-box;
    background: linear-gradient(180deg, var(--dtm-primary-2), rgba(64, 158, 227, 0.95));
    color: #fff;
    border-radius: 10px;
    box-shadow: 0 6px 30px rgba(16, 40, 60, 0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(.98);
    transition: opacity .18s var(--easing), transform .18s var(--easing), visibility .18s;
    z-index: 22000;
    overflow: auto;
    max-height: calc(100vh - 160px);
    pointer-events: none;
}

#MenuDeroulant li:hover>ul,
#MenuDeroulant li:focus-within>ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

#MenuDeroulant li ul li {
    display: block;
    padding: 6px 8px;
}

#MenuDeroulant li ul li a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 6px 8px;
    border-radius: 6px;
    transition: background .12s var(--easing), transform .12s var(--easing);
}

#MenuDeroulant li ul li a:hover,
#MenuDeroulant li ul li a:focus {
    background: rgba(0, 0, 0, 0.08);
    transform: translateX(4px);
}

/* small accent hover for important items */
#MenuDeroulant li ul li a.dtm-accent:hover {
    background: linear-gradient(90deg, rgba(127, 22, 22, 0.15), rgba(127, 22, 22, 0.06));
}

/* Parameters grid preserved and modernized */
.menu-item-parameters .params-dropdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px 16px;
    padding: 12px;
    align-items: start;
}

.menu-item-parameters .params-dropdown>li {
    display: block;
}

.menu-item-parameters .params-dropdown .menu-subheader {
    color: #fff;
    font-weight: 700;
    margin: 0 0 6px 0;
}

.menu-item-parameters .params-dropdown .menu-item a {
    color: #fff
}

.menu-item-parameters .params-dropdown .menu-column-sep {
    padding-top: 4px
}

/* Utility card for content/forms - opt-in class used across pages */
.dtm-card {
    background: var(--dtm-surface);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: 0 6px 18px rgba(20, 40, 70, 0.06);
    border: 1px solid rgba(16, 40, 60, 0.03);
}

/* Input and button styles (opt-in) */
input[type="text"],
input[type="search"],
input[type="email"],
select,
textarea {
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid rgba(16, 40, 60, 0.08);
    background: linear-gradient(180deg, #fff, #fbfdff);
    color: var(--dtm-text);
    outline: none;
    transition: box-shadow .12s var(--easing), border-color .12s var(--easing), transform .12s var(--easing);
    font-family: inherit;
    font-size: 14px;
}

input:focus,
textarea:focus,
select:focus {
    box-shadow: 0 6px 20px rgba(32, 84, 142, 0.12);
    border-color: var(--dtm-primary);
    transform: translateY(-1px);
}

.dtm-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 8px;
    background: linear-gradient(180deg, var(--dtm-primary), #17406A);
    color: #fff;
    border: none;
    cursor: pointer;
    font-weight: 700;
    transition: transform .12s var(--easing), box-shadow .12s var(--easing), filter .12s var(--easing);
}

.dtm-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.03);
    box-shadow: 0 8px 28px rgba(16, 40, 60, 0.14);
}

.dtm-btn.secondary {
    background: linear-gradient(180deg, #fff, #f2f6fb);
    color: var(--dtm-text);
    border: 1px solid rgba(16, 40, 60, 0.06);
}

.dtm-btn.ghost {
    background: transparent;
    color: var(--dtm-primary);
    border: 1px dashed rgba(32, 84, 142, 0.12);
}

/* small helpers */
.dtm-muted {
    color: var(--dtm-muted);
}

.dtm-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dtm-text);
}

.dtm-subtitle {
    font-size: 13px;
    color: var(--dtm-muted);
}

/* Responsive adjustments: collapse menu to stacked items on small screens */
@media (max-width:860px) {
    #MenuDeroulant {
        flex-wrap: wrap;
        gap: 6px;
        padding: 10px;
    }

    #MenuDeroulant>li {
        width: 100%;
    }

    #MenuDeroulant>li>a {
        width: 100%;
        justify-content: space-between;
    }

    #MenuDeroulant li ul {
        position: relative;
        top: 0;
        left: 0;
        width: 100%;
        transform: none;
        box-shadow: none;
    }
}

/* Accessibility: focus outlines */
#MenuDeroulant a:focus {
    box-shadow: 0 0 0 3px rgba(64, 158, 227, 0.14);
}

/* Dark mode support (opt-in by adding data-theme="dark" on <html> or <body>) */
[data-theme="dark"] {
    --dtm-bg: #0f1720;
    --dtm-surface: #0b1220;
    --dtm-text: #dbeafe;
    --dtm-muted: #94a3b8;
}

[data-theme="dark"] #MenuDeroulant>li>a {
    background: linear-gradient(180deg, #163452, #122c44);
}

/* keep a small compatibility with very old selectors used across the site */
.menu-item-parameters .params-dropdown {
    max-height: calc(100vh - 160px);
}