:root {
    --background-body: #202b38;
    --background: #161f27;
    --background-alt: #1a242f;
    --selection: #1c76c5;
    --text-main: #dbdbdb;
    --text-bright: #fff;
    --text-muted: #a9b1ba;
    --links: #41adff;
    --focus: rgba(0,150,191,0.67);
    --border: #526980;
    --code: #ffbe85;
    --animation-duration: 0.1s;
    --button-base: #0c151c;
    --button-hover: #040a0f;
    --scrollbar-thumb: var(--button-hover);
    --scrollbar-thumb-hover: #000;
    --form-placeholder: #a9a9a9;
    --form-text: #fff;
    --variable: #d941e2;
    --highlight: #efdb43;
    --select-arrow: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='63' width='117' fill='%23efefef'%3E%3Cpath d='M115 2c-1-2-4-2-5 0L59 53 7 2a4 4 0 00-5 5l54 54 2 2 3-2 54-54c2-1 2-4 0-5z'/%3E%3C/svg%3E");
}

html {
    scrollbar-color: #040a0f #202b38;
    scrollbar-color: var(--scrollbar-thumb) var(--background-body);
    scrollbar-width: thin;
}

body {
    margin: 20px auto;
    padding: 0 10px;
    max-width: 1280px;
    font-family: system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,Segoe UI Emoji,Apple Color Emoji,Noto Color Emoji,sans-serif;
    line-height: 1.4;
    color: #dbdbdb;
    color: var(--text-main);
    background: #202b38;
    background: var(--background-body);
    word-wrap: break-word;
    text-rendering: optimizeLegibility;
}

button,
input,
textarea {
    transition: background-color .1s linear,border-color .1s linear,color .1s linear,box-shadow .1s linear,transform .1s ease;
    transition: background-color var(--animation-duration) linear,border-color var(--animation-duration) linear,color var(--animation-duration) linear,box-shadow var(--animation-duration) linear,transform var(--animation-duration) ease;
}

h1 {
    margin-top: 0;
    font-size: 2.2em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 24px;
    margin-bottom: 12px;
}

h1,
h2,
h3,
h4,
h5,
h6,
strong {
    color: #fff;
    color: var(--text-bright);
}

b,
h1,
h2,
h3,
h4,
h5,
h6,
strong,
th {
    font-weight: 600;
}

q:after,
q:before {
    content: none;
}

blockquote,
q {
    margin: 1.5em 0;
    padding: .5em 1em;
    border-left: 4px solid rgba(0,150,191,.67);
    border-left: 4px solid var(--focus);
    font-style: italic;
}

blockquote > footer {
    border: 0;
    font-style: normal;
}

address,
blockquote cite {
    font-style: normal;
}

a[href^=mailto\:]:before {
    content: "📧 ";
}

a[href^=tel\:]:before {
    content: "📞 ";
}

a[href^=sms\:]:before {
    content: "💬 ";
}

mark {
    padding: 0 2px;
    border-radius: 2px;
    color: #000;
    background-color: #efdb43;
    background-color: var(--highlight);
}

a > code,
a > strong {
    color: inherit;
}

button,
input[type=button],
input[type=checkbox],
input[type=radio],
input[type=range],
input[type=reset],
input[type=submit],
select {
    cursor: pointer;
}

input,
select {
    display: block;
}

[type=checkbox],
[type=radio] {
    display: initial;
}

button,
input,
select,
textarea {
    margin-right: 6px;
    margin-bottom: 6px;
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: inherit;
    outline: none;
    color: #fff;
    color: var(--form-text);
    background-color: #161f27;
    background-color: var(--background);
}

button,
input[type=button],
input[type=reset],
input[type=submit] {
    padding-right: 30px;
    padding-left: 30px;
    background-color: #0c151c;
    background-color: var(--button-base);
}

button:hover,
input[type=button]:hover,
input[type=reset]:hover,
input[type=submit]:hover {
    background: #040a0f;
    background: var(--button-hover);
}

input[type=color] {
    padding: 8px;
    min-height: 2rem;
    cursor: pointer;
}

/* Unified button styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.2rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    color: var(--text-bright);
    background: var(--button-base);
}
.btn:hover { background: var(--button-hover); }
.btn:disabled,
.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}
.btn.primary { background: #1b6ef3; color: #fff; }
.btn.primary:hover { background: #2c7fff; }
.btn.secondary { background: #233343; color: #cfe0f3; }
.btn.secondary:hover { background: #2c4054; }
.btn.danger { background: #c0392b; color: #fff; }
.btn.danger:hover { background: #e74c3c; }

/* Icon + label alignment utility */
.btn-icon { display: inline-flex; align-items: center; gap: 0.4rem; }
.btn.icon-save::before { content: "💾"; }
.btn.icon-delete::before { content: "🗑️"; }
.btn.icon-back::before { content: "↩"; }

/* Layout helpers */
.actions { display: flex; gap: 1em; flex-wrap: wrap; align-items: center; }
.container-narrow { max-width: 600px; margin-top: 2rem; }
.section-title { margin-bottom: 2rem; }
.form-group { margin-bottom: 1.5em; }
.form-label { font-weight: 600; }
.form-input { width: 100%; }
.hr-sep { border: none; height: 3px; background-color: #444; margin: 2em 0; }
.u-mt-2 { margin-top: 2em; }
.u-my-1 { margin-top: 1em; margin-bottom: 1em; }
.hint { margin-left: 0.5em; color: #9bb3d1; font-size: 0.9em; }
.text-center { text-align: center; }

input[type=checkbox],
input[type=radio] {
    width: 1em;
    height: 1em;
}

input[type=radio] {
    border-radius: 100%;
}

input {
    vertical-align: top;
}

label {
    display: inline-block;
    margin-bottom: 4px;
    vertical-align: middle;
}

button,
input:not([type=checkbox]):not([type=radio]) ,
input[type=range],
select,
textarea {
    display: block;
    box-sizing: border-box;
    margin-right: 0;
    resize: vertical;
}

textarea:not([cols]) {
    width: 100%;
}

textarea:not([rows]) {
    height: 140px;
    min-height: 40px;
}

select {
    padding-right: 35px;
    background: #161f27 url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='63' width='117' fill='%23efefef'%3E%3Cpath d='M115 2c-1-2-4-2-5 0L59 53 7 2a4 4 0 00-5 5l54 54 2 2 3-2 54-54c2-1 2-4 0-5z'/%3E%3C/svg%3E") calc(100% - 12px) 50%/12px no-repeat;
    background: var(--background) var(--select-arrow) calc(100% - 12px) 50%/12px no-repeat;
}

select::-ms-expand {
    display: none;
}

select[multiple] {
    padding-right: 10px;
    overflow-y: auto;
    background-image: none;
}

button:focus,
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 2px rgba(0,150,191,.67);
    box-shadow: 0 0 0 2px var(--focus);
}

button:active,
input[type=button]:active,
input[type=checkbox]:active,
input[type=radio]:active,
input[type=range]:active,
input[type=reset]:active,
input[type=submit]:active {
    transform: translateY(2px);
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
    opacity: .5;
    cursor: not-allowed;
}

::-moz-placeholder {
    color: #a9a9a9;
    color: var(--form-placeholder);
}

:-ms-input-placeholder {
    color: #a9a9a9;
    color: var(--form-placeholder);
}

::-ms-input-placeholder {
    color: #a9a9a9;
    color: var(--form-placeholder);
}

::placeholder {
    color: #a9a9a9;
    color: var(--form-placeholder);
}

fieldset {
    margin: 0 0 12px;
    padding: 10px;
    border: 1px solid rgba(0,150,191,.67);
    border: 1px solid var(--focus);
    border-radius: 6px;
}

legend {
    font-size: .9em;
    font-weight: 600;
}

input[type=range] {
    margin: 10px 0;
    padding: 10px 0;
    background: transparent;
}

input[type=range]:focus {
    outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 9.5px;
    border-radius: 3px;
    background: #161f27;
    background: var(--background);
    -webkit-transition: .2s;
    transition: .2s;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    margin-top: -7px;
    border-radius: 50%;
    background: #526980;
    background: var(--border);
    box-shadow: 0 1px 1px #000,0 0 1px #0d0d0d;
}

input[type=range]:focus::-webkit-slider-runnable-track {
    background: #161f27;
    background: var(--background);
}

input[type=range]::-moz-range-track {
    width: 100%;
    height: 9.5px;
    border-radius: 3px;
    background: #161f27;
    background: var(--background);
    -moz-transition: .2s;
    transition: .2s;
}

input[type=range]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #526980;
    background: var(--border);
    box-shadow: 1px 1px 1px #000,0 0 1px #0d0d0d;
}

input[type=range]::-ms-track {
    width: 100%;
    height: 9.5px;
    border-color: transparent;
    border-width: 16px 0;
    color: transparent;
    background: transparent;
}

input[type=range]::-ms-fill-lower,
input[type=range]::-ms-fill-upper {
    border: .2px solid #010101;
    border-radius: 3px;
    background: #161f27;
    background: var(--background);
    box-shadow: 1px 1px 1px #000,0 0 1px #0d0d0d;
}

input[type=range]::-ms-thumb {
    width: 20px;
    height: 20px;
    border: 1px solid #000;
    border-radius: 50%;
    background: #526980;
    background: var(--border);
    box-shadow: 1px 1px 1px #000,0 0 1px #0d0d0d;
}

input[type=range]:focus::-ms-fill-lower,
input[type=range]:focus::-ms-fill-upper {
    background: #161f27;
    background: var(--background);
}

a {
    text-decoration: none;
    color: #41adff;
    color: var(--links);
}

a:hover {
    text-decoration: underline;
}

code,
samp,
time {
    padding: 2.5px 5px;
    border-radius: 6px;
    font-size: 1em;
    color: #ffbe85;
    color: var(--code);
    background: #161f27;
    background: var(--background);
}

pre > code {
    display: block;
    padding: 10px;
    overflow-x: auto;
}

var {
    font-family: monospace;
    font-style: normal;
    color: #d941e2;
    color: var(--variable);
}

kbd {
    padding: 2px 4px;
    border: 1px solid #526980;
    border: 1px solid var(--border);
    border-radius: 2px;
    color: #dbdbdb;
    color: var(--text-main);
    background: #161f27;
    background: var(--background);
}

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

hr {
    border: none;
    border-top: 1px solid #526980;
    border-top: 1px solid var(--border);
}

table {
    width: 100%;
    margin-bottom: 10px;
    border-collapse: collapse;
    table-layout: fixed;
}

table caption,
td,
th {
    text-align: left;
}

td,
th {
    padding: 6px;
    vertical-align: middle;
    word-wrap: break-word;
}

thead {
    border-bottom: 1px solid #526980;
    border-bottom: 1px solid var(--border);
}

tfoot {
    border-top: 1px solid #526980;
    border-top: 1px solid var(--border);
}

tbody tr:nth-child(2n) {
    background-color: #161f27;
    background-color: var(--background);
}

tbody tr:nth-child(2n) button {
    background-color: #1a242f;
    background-color: var(--background-alt);
}

tbody tr:nth-child(2n) button:hover {
    background-color: #202b38;
    background-color: var(--background-body);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    border-radius: 6px;
    background: #161f27;
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    border-radius: 6px;
    background: #040a0f;
    background: var(--scrollbar-thumb);
}

::-webkit-scrollbar-thumb:hover {
    background: #000;
    background: var(--scrollbar-thumb-hover);
}

::-moz-selection {
    color: #fff;
    color: var(--text-bright);
    background-color: #1c76c5;
    background-color: var(--selection);
}

::selection {
    color: #fff;
    color: var(--text-bright);
    background-color: #1c76c5;
    background-color: var(--selection);
}

details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin: 1em 0;
    padding: 10px 10px 0;
    border-radius: 6px;
    overflow: hidden;
    background-color: #1a242f;
    background-color: var(--background-alt);
}

details[open] {
    padding: 10px;
}

details > :last-child {
    margin-bottom: 0;
}

details[open] summary {
    margin-bottom: 10px;
}

summary {
    display: list-item;
    margin: -10px -10px 0;
    padding: 10px;
    outline: none;
    background-color: #161f27;
    background-color: var(--background);
    cursor: pointer;
}

summary:focus,
summary:hover {
    text-decoration: underline;
}

details>:not(summary) {
    margin-top: 0;
}

summary::-webkit-details-marker {
    color: #dbdbdb;
    color: var(--text-main);
}

dialog {
    padding: 10px 30px;
    border: #526980;
    border-color: var(--border);
    border-radius: 6px;
    color: #dbdbdb;
    color: var(--text-main);
    background-color: #1a242f;
    background-color: var(--background-alt);
}

dialog > header:first-child {
    margin: -10px -30px 10px;
    padding: 10px;
    border-radius: 6px 6px 0 0;
    text-align: center;
    background-color: #161f27;
    background-color: var(--background);
}

dialog::-webkit-backdrop {
    background: rgba(0,0,0,.61);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

dialog::backdrop {
    background: rgba(0,0,0,.61);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

footer {
    padding-top: 10px;
    border-top: 1px solid #526980;
    border-top: 1px solid var(--border);
    color: #a9b1ba;
    color: var(--text-muted);
}

body > footer {
    margin-top: 40px;
}

@media print {
    body,
    button,
    code,
    details,
    input,
    pre,
    summary,
    textarea {
        background-color: #fff;
    }

    button,
    input,
    textarea {
        border: 1px solid #000;
    }

    body,
    button,
    code,
    footer,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    input,
    pre,
    strong,
    summary,
    textarea {
        color: #000;
    }

    summary::marker {
        color: #000;
    }

    summary::-webkit-details-marker {
        color: #000;
    }

    tbody tr:nth-child(2n) {
        background-color: #f2f2f2;
    }

    a {
        text-decoration: underline;
        color: #00f;
    }
}
/* Conteneur principal */
.container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px; /* Espace entre les colonnes */
    padding: 20px;
    border: 1px solid #ddd;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
/* Colonnes */
.column {
    flex: 1; /* Taille automatique en fonction de l'espace disponible */
    min-width: 200px; /* Largeur minimale */
    padding: 20px;
    background-color: #1a242f;
    background-color: var(--background-alt);
    border: 1px solid #ccc;
    border-radius: 5px;
    text-align: center;
}