:root {
    --Text-default: #303030;
    --Text-default-light: #55757f;
    --Text-light: #aaaaaa;
    --light: #fff;
    --light-transparent: #ffffff3b;
    --Accent: #ec3e7a;
    --Accent-transparent: #ec3e7a80;
    --Accent-dark: #B23E64;
    --Accent-light: #E8BCCB;
    --Contrast: #824695;
    --Dark: #262626;
    --Dark-accent: #1b1b1b;
    --Overlay: #00000066;

    --spacerBG: url('../media/ressources/Spacer.jpg');
    --separatorBG: url('../media/ressources/Separator.png');

    /* Palette du logo AGQ (triangle arc-en-ciel) */
    --palette1: #e8334a; /* rouge */
    --palette2: #f26522; /* orange */
    --palette3: #f9c31f; /* jaune */
    --palette4: #28a745; /* vert */
    --palette5: #29abe2; /* cyan */
    --palette6: #4255a4; /* bleu */
    --palette7: #7b4099; /* violet */

    --transition-length: 0.3s;
    --spacer-height: 10em;
    --separator-height: 10px;
    --fixed-column-width: 8em; 
    --fixed-column-width-large: 12em;
    --margin-edges: 5rem;
    --rounded-corners: 5px;
  }

body {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    font-size: 1,1em;
    margin: 0;
    padding: 0;
    background-color: var(--light);
    color: var(--Text-default);
}

img {
    max-width: 100%;
    height: auto;
}

.margin_top {
    margin-top: 1em;
}

a {
    color: var(--Accent);
    text-decoration: none;
    transition: color var(--transition-length);
}

a:hover {
    color: var(--Contrast);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    text-transform: uppercase;
    text-align: center;
    width: 100%;
}

h1  {
    padding-top: 1em;
    font-size: 2.5em;
}

h2 {
    text-align: left;
    font-weight: 400;
    font-size: 1.5em;
    margin-top: 0.25em;
}

h3 {
    font-weight: 300;
    font-size: 1.5em;
}

h4 {
    font-size: 1.1em;
    padding-bottom: 0em;
    padding-top: 0em;
    margin-bottom: 0.5em;
    margin-top: 0.9em;
    text-align: left;

}

h5 {
    font-size: 1.1em;
    padding-bottom: 0em;
    padding-top: 0em;
    margin-bottom: 0em;
    margin-top: 0.9em;
}

input, textarea {
    padding: 0.5em;
    border: 1px solid var(--Accent);
    border-radius: var(--rounded-corners);
    width: 98%;
}

button {
    font-family: 'Roboto', sans-serif;
    padding: 0.5em 1em;
    margin: 2em 0.5em;
    border: 1px solid var(--Accent);
    border-radius: var(--rounded-corners);
    background-color: var(--Accent);
    color: var(--light);
    cursor: pointer;
    transition: background-color var(--transition-length);
}

button:hover {
    background-color: var(--Accent-dark);
}

button.active {
    background-color: var(--light);
    color: var(--Accent);
    font-weight: 500;
}

button.active:hover {
    background-color: var(--Accent-dark);
    transform: none;
}

.centre {
    text-align: center;
}

.accent {
    background-color: var(--Accent);
    color: var(--light);
}

.bg1, .bg2, .bg1flip, .bg2flip {
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    align-self: stretch;
    color: var(--light);
}

.bg1 {
    background-image: url('../media/ressources/bg1.jpg');
}

.bg2 {
    background-image: url('../media/ressources/bg2.jpg');
}

.bg1flip {
    background-image: url('../media/ressources/bg1f.jpg');
    background-position: right;
}

.bg2flip {
    background-image: url('../media/ressources/bg2f.jpg');
    background-position: right;
}



.accent a, .bg1 a, .bg2 a {
    color: var(--light);
}

.accent a:hover, .bg1 a:hover, .bg2 a:hover {
    color: var(--Contrast);
}

.accent button, .bg1 button, .bg2 button {
    border: 1px solid var(--Accent-light);
    background-color: var(--light);
    color: var(--Accent);
}

.accent button:hover, .bg1 button:hover, .bg2 button:hover {
    background-color: var(--Accent-light);
    color: var(--Accent-dark);
}

.accent input, .accent textarea, .bg1 input, .bg1 textarea, .bg2 input, .bg2 textarea {
    border: 1px solid var(--Accent-light);
}

.columns-container, .columns-container-light{
    display: flex;
    gap: 0em;
    justify-content: space-between;
    margin: 0;
    padding: 0;
}
.columns-container.wrap {
    flex-wrap: wrap; /* Allow items to wrap to next line */
}

.columns-container-light > div {
    flex: 1;
    min-width: 0; /* Prevents flex items from overflowing */
}

.columns-container > div {
    padding: 1em;
    flex: 1;
    min-width: 0; /* Prevents flex items from overflowing */
}

.columns-container > div:first-child {
    padding: 0em 2.5em 2em 5em; /* top right bottom left */
}

.columns-container > div:last-child {
    padding: 0em 5em 2em 3em; /* top right bottom left */
}

/* Nested columns container for inner layouts */
.columns-container-nested {
    display: flex;
    gap: 1em;
    justify-content: space-between;
    margin: 0;
    padding: 0;
    padding-top: 0;
    padding-bottom: 0;
    flex-wrap: wrap; /* Allow items to wrap to next line */
}

.columns-container-nested > div {
    padding: 0;
    flex: 1 1 200px; /* grow shrink basis - but with proper min-width handling */
    min-width: 200px; /* Enforce minimum width only */
}

.columns-container-nested > div:first-child {
    padding: 0; /* Same padding for all nested children */
    padding-right: .5em; /* Right padding for the first child */
}

.columns-container-nested > div:last-child {
    padding: 0; /* Same padding for all nested children */
    padding-left: .5em; /* Left padding for the last child */
}

.columns-container-nested > div.wide {
    min-width: 450px; /* Enforce minimum width for video containers */
}
.columns-container-nested > div.xwide {
    min-width: 550px; /* Enforce minimum width for video containers */
}

iframe {
    max-width: 100%;
    height: auto;
    aspect-ratio: 16 / 9; /* Maintain YouTube's aspect ratio */
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* When items wrap, adjust padding for stacked layout */
@media screen and (max-width: 520px) {
    .columns-container-nested > div {
        max-width: 100%; /* Allow full width on very small screens */
        flex: 1 1 100%; /* Take full width when stacked */
    }
    
    .columns-container-nested > div:first-child,
    .columns-container-nested > div:last-child {
        padding: 0; /* Remove horizontal padding when stacked */
    }
    .columns-container-nested > div.wide,
    .columns-container-nested > div.xwide {
    min-width: 0; /* Enforce minimum width for video containers */
    }
}

div.column-spacer-fixed  {
    flex: 1 0 var(--fixed-column-width);
    background-image: var(--spacerBG);
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    min-width: 0;
    max-width: var(--fixed-column-width);
}

div.holder, .columns-container div.holder {
    margin: 0;
    padding: 0;
}

.single-column {
    display: flex;
    flex-direction: column;
    gap: 1em;
    margin: 0;
    padding: 0 5em 2em 5em;
}

.spacer {
    width: 100%;
    height: var(--spacer-height);
    background-image: var(--spacerBG);
    background-attachment: fixed;
    background-position: center;
    background-repeat: repeat;
    background-size: cover;
}

.separator {
    width: 100%;
    height: var(--separator-height);
    background-image: var(--separatorBG);
    background-position: center;
    background-repeat: repeat;
    background-size: cover;
}

.expo h1 {
    text-align: left;
}

.expo h3 {
    text-align: left;
    font-weight: 300;
    font-size: 1.2em;
    margin-top: -1em;
}

.expo p {
    text-align: justify;
    text-justify: inter-word;
}

p.caption, .modal-details p.caption, .modal-description p.caption {
    font-size: 0.9em;
    padding-left: 3em;
    padding-right: 3em;
    line-height: 150%;
    text-align: left;
    color: var(--Text-default-light);
}

p.legende {
    font-size: 0.8em;
    margin-top: 0.25em;
    padding-right: 0;
    line-height: 100%;
    text-align: right;
    color: var(--Text-default-light);
    font-style: italic;
}

.expo div.section   {
    margin-top: 2em;
    margin-bottom: 2em;
}

.float-left {
    float: left;
    margin-right: 1em;
    margin-top: 0.2em;
    max-width: 50%;
}
.float-right {
    float: right;
    margin-left: 1em;
    margin-top: 0.2em;
    max-width: 50%;
}

/* Thanks/Partners Section Styles */
.remerciement {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding: 2rem 1rem;
    margin: 2rem 0;
}

.thanks-item {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.thanks-item:hover {
    transform: scale(1.05);
    opacity: 0.8;
}

.thanks-logo {
    max-height: 80px;
    max-width: 250px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(20%);
    transition: filter 0.3s ease;
}

/* Logo size variants */
.thanks-logo.size-1 {
    max-height: 35px;
    max-width: 100px;
}

.thanks-logo.size-2 {
    max-height: 50px;
    max-width: 150px;
}

.thanks-logo.size-3 {
    max-height: 65px;
    max-width: 200px;
}

.thanks-logo.size-4 {
    max-height: 100px;
    max-width: 300px;
}

.thanks-item a {
    display: block;
    text-decoration: none;
}

.thanks-item a:hover .thanks-logo {
    filter: grayscale(0%);
}

/* Alternative styling variants */
.remerciement.compact {
    gap: 1rem;
    padding: 1rem;
}

.remerciement.compact .thanks-logo {
    max-height: 60px;
    max-width: 120px;
}

.remerciement.large {
    gap: 3rem;
    padding: 3rem 2rem;
}

.remerciement.large .thanks-logo {
    max-height: 100px;
    max-width: 180px;
}

/* Grid layout variant */
.remerciement.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    row-gap: 0;
    align-content: flex-end;
    margin-bottom: 0;
    padding: 0;
    padding-top: 6rem;
    background-image: var(--spacerBG);
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}

button.tab-button {
    font-weight: 300;
    font-size: 1em;
    text-transform: uppercase;
    text-decoration: none;
    margin-top: 0;
    margin-bottom: 0;
    margin-left: 0;
    margin-right: 0;
    padding-top: 0.75em;
    flex: 1 1 auto;
    color: var(--light);
    border-radius: var(--rounded-corners) var(--rounded-corners) 0 0;
    border-left: var(--Accent-dark) 1px solid;
    border-right: none;
    border-top: var(--Accent-dark) 2px solid;
    border-bottom: var(--Accent-dark) 1px solid;
}

button.tab-button.active {
    font-weight: 400;
    background-color: var(--Accent);
    border-bottom: none;
    border-top: var(--Accent-light) 2px solid;
}

.tab-content {
    display: none;
    padding: 0;
    margin: 0;
}

.tab-content.active {
    display: block;
}

.searchbox {
   margin: 0.75em 0;
   padding: 0.6em 0.8em;
   background: #f9f9f9;
   border: 1px solid #ddd;
   overflow: hidden;
}

/* Barre de filtres compacte */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3em 0.5em;
    padding: 0.25em 4rem;
}
.filter-bar + .filter-bar {
    margin-top: 0.3em;
    border-top: 1px solid #e5e5e5;
    padding-top: 0.3em;
}
.filter-bar input[type="text"] {
    flex: 1 1 140px;
}

.filter-bar input{
   border: 1px solid #ddd;
}

.filter-bar label {
    display: flex;
    align-items: center;
    gap: 0.25em;
    white-space: nowrap;
}

/* Conteneurs badge/sida transparents — leurs boutons s'insèrent dans le flex parent */
#dossiers-badge-buttons,
#dossiers-sida-toggle {
    display: contents;
}

/* Bande alphabet : bord à bord, sans espace */
#dossiers-letter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin: 0 -1em -0.6em -1em;
    border-top: 1px solid #ddd;
    padding-top: 0;
    padding-bottom: 0;
}
.letter-filter-btn {
    flex: 1 1 auto;
    margin: 0;
    border-radius: 0;
    background-color: #f9f9f9;
    color: var(--Text-light);
    border: none;
}

.letter-filter-btn:hover {
    background-color: #e5e5e5;
    color: var(--Text-default);
}

.letter-filter-btn.active {
    background-color: #f9f9f9;
}

.letter-filter-btn:hover.active {
    background-color: #e5e5e5;
}

.letter-filter-btn:last-child {
    border-right-width: 1px;
}

@media screen and (max-width: 1200px) {
    div.column-spacer-fixed {
        display: none;
    }
    .bg1, .bg2, .bg1flip, .bg2flip {
        max-width: 25%;
    }
}


/* Responsive layout - makes a one column layout instead of two-column layout on small screens */
@media screen and (max-width: 800px) {
    .columns-container, .columns-container-light {
        flex-direction: column;
        gap: 1em;
    }
    .columns-container > div:first-child,
    .columns-container > div:last-child {
        padding: 1em; /* Equal padding on mobile */
    }

    input, textarea {
        width: 95%;
    }

    .columns-container-fixed {
        flex-direction: column;
        gap: 1em;
    }
    
    .columns-container-fixed > div,
    .columns-container-fixed > div:first-child,
    .columns-container-fixed > div:last-child {
        display: hidden;
    }
    .bg1, .bg2, .bg1flip, .bg2flip {
        display: none;
    }
    .remerciement.grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1.5rem;
    }

    .remerciement {
        gap: 1.5rem;
        padding: 1.5rem 1rem;
    }

    .thanks-logo {
        max-height: 60px;
        max-width: 120px;
    }
}

@media (max-width: 480px) {
    .remerciement {
        gap: 1rem;
        padding: 1rem 0.5rem;
    }
    
    .thanks-logo {
        max-height: 50px;
        max-width: 100px;
    }
}