/* Importation des polices */
@font-face {
    font-family: 'CalculettreVF';
    src: url('fonts/CalculettreVF.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-variation-settings: 'wdth' 100;
}

@font-face {
    font-family: 'Monaspace';
    src: url('fonts/monaspace/MonaspaceArgon-Regular.woff2') format('woff2'),
         url('fonts/monaspace/MonaspaceArgon-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Monaspace';
    src: url('fonts/monaspace/MonaspaceArgon-Italic.woff2') format('woff2'),
         url('fonts/monaspace/MonaspaceArgon-Italic.woff') format('woff');
    font-weight: 400;
    font-style: italic;
}

@font-face {
    font-family: 'Monaspace';
    src: url('fonts/monaspace/MonaspaceArgon-Bold.woff2') format('woff2'),
         url('fonts/monaspace/MonaspaceArgon-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Monaspace';
    src: url('fonts/monaspace/MonaspaceArgon-BoldItalic.woff2') format('woff2'),
         url('fonts/monaspace/MonaspaceArgon-BoldItalic.woff') format('woff');
    font-weight: 700;
    font-style: italic;
}

@font-face {
    font-family: 'Amulya';
    src: url('fonts/Amulya/Amulya-Regular.woff2') format('woff2'),
         url('fonts/Amulya/Amulya-Regular.woff') format('woff'),
         url('fonts/Amulya/Amulya-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Amulya';
    src: url('fonts/Amulya/Amulya-Italic.woff2') format('woff2'),
         url('fonts/Amulya/Amulya-Italic.woff') format('woff'),
         url('fonts/Amulya/Amulya-Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
}

@font-face {
    font-family: 'Amulya';
    src: url('fonts/Amulya/Amulya-Medium.woff2') format('woff2'),
         url('fonts/Amulya/Amulya-Medium.woff') format('woff'),
         url('fonts/Amulya/Amulya-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Amulya';
    src: url('fonts/Amulya/Amulya-MediumItalic.woff2') format('woff2'),
         url('fonts/Amulya/Amulya-MediumItalic.woff') format('woff'),
         url('fonts/Amulya/Amulya-MediumItalic.ttf') format('truetype');
    font-weight: 500;
    font-style: italic;
}

@font-face {
    font-family: 'Amulya';
    src: url('fonts/Amulya/Amulya-Bold.woff2') format('woff2'),
         url('fonts/Amulya/Amulya-Bold.woff') format('woff'),
         url('fonts/Amulya/Amulya-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Amulya';
    src: url('fonts/Amulya/Amulya-BoldItalic.woff2') format('woff2'),
         url('fonts/Amulya/Amulya-BoldItalic.woff') format('woff'),
         url('fonts/Amulya/Amulya-BoldItalic.ttf') format('truetype');
    font-weight: 700;
    font-style: italic;
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: #000;
}

::-webkit-scrollbar-thumb {
    background: #fff;
    border: 2px solid #000;
}

::-webkit-scrollbar-corner {
    background: #000;
}

/* Variables CSS - Style Brutaliste */
:root {
    --black: #000000;
    --white: #ffffff;
    --red: #8a2be2;
    --gray: #808080;
    --light-gray: rgb(241, 241, 251);
    --medium-gray: lavender;
    --font-mono: 'Monaspace', monospace;
    --font-variable: 'CalculettreVF', sans-serif;
    --font-serif: 'Amulya', 'Times New Roman', 'Liberation Serif', 'DejaVu Serif', serif;
    --border-thick: 1px solid var(--black);
    --border-thin: 1px solid var(--black);
}

body {
    font-family: var(--font-mono);
    background-color: var(--white);
    color: var(--black);
    line-height: 1.4;
    font-size: 18px;
}

/* Layout principal */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    gap: 0;
    overflow-x: hidden; /* Empêcher le scroll horizontal global */
}

/* Header */
.header {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-bottom: var(--border-thick);
}

.logo-container {
    margin-bottom: 15px;
}

.logo {
    height: 100px;
    width: auto;
}

.title {
    font-size: 2.2rem;
    font-weight: 400;
    margin-bottom: 5px;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.subtitle {
    color: var(--black);
    font-size: 0.85rem;
    text-transform: uppercase;
}

/* Contenu principal */
.main-content {
    display: grid;
    grid-template-columns: 320px 1fr;
    flex: 1;
    border-bottom: var(--border-thick);
    overflow: hidden; /* Empêcher le débordement du grid */
}

/* Panneau de contrôle */
.control-panel {
    background: var(--light-gray);
    padding: 25px;
    border-right: var(--border-thick);
    border-left: var(--border-thin);
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.letters-info {
    background: transparent;
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
    margin-bottom: 5px;
}

.letters-info p {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.3;
    color: var(--gray);
    font-style: italic;
}

.letters-info strong {
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    font-style: normal;
    color: var(--black);
    font-size: 0.7rem;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.label {
    font-weight: 700;
    color: var(--black);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Styles des inputs - Style Brutaliste */
textarea, input[type="number"], select {
    padding: 12px;
    border: var(--border-thin);
    background: var(--white);
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--black);
}

textarea {
    height: 70px;
    resize: none;
    text-transform: uppercase;
    font-weight: 700;
}

textarea:focus, input:focus, select:focus {
    outline: none;
    border: var(--border-thick);
    background: var(--white);
}

.input-with-unit {
    display: grid;
    grid-template-columns: 1fr 80px;
    gap: 2px;
}

.input-with-unit input {
    border-right: none;
}

/* Boutons radio - Style Brutaliste */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px;
    border: var(--border-thin);
    background: var(--white);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.8rem;
}

.radio-label:hover {
    background: var(--black);
    color: var(--white);
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 15px;
    height: 15px;
    border: var(--border-thin);
    background: var(--white);
    position: relative;
}

.radio-label input[type="radio"]:checked + .radio-custom {
    background: var(--black);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 7px;
    height: 7px;
    background: var(--white);
}

.radio-label input[type="radio"]:disabled + .radio-custom {
    background: var(--gray);
}

.radio-label:has(input:disabled) {
    opacity: 0.5;
    cursor: not-allowed;
}

.radio-label:has(input:disabled):hover {
    background: var(--white);
    color: var(--black);
}

/* Bouton de calcul - Style Brutaliste */
.calculate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    background: var(--black);
    color: var(--white);
    border: var(--border-thick);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.calculate-btn:hover {
    background: var(--white);
    color: var(--black);
}

.calculate-btn:active {
    background: var(--red);
    color: var(--white);
}

/* Styles d'icône supprimés */

/* Zone de résultats - Style Brutaliste */
.results-area {
    background: var(--white);
    display: flex;
    flex-direction: column;
    min-height: 500px;
    overflow: hidden; /* Empêcher le scroll sur la zone globale */
    border-right: var(--border-thin);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: var(--border-thin);
    background: var(--medium-gray);
}

.results-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.print-btn {
    padding: 8px 15px;
    background: var(--white);
    border: var(--border-thin);
    color: var(--black);
    font-family: var(--font-mono);
    cursor: pointer;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.print-btn:hover {
    background: var(--black);
    color: var(--white);
}

/* Container de lettrage avec scroll horizontal */
.lettrage-container {
    flex: 1;
    padding: 25px;
    overflow-x: auto;
    overflow-y: hidden;
    max-width: 100%;
}

.placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--gray);
    text-align: center;
    border: 1px dashed var(--gray);
    padding: 20px;
}

.placeholder-icon img {
    width: 132px;
    height: 132px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.placeholder p {
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.8rem;
}

/* Affichage des lettres - HORIZONTAL avec scroll */
.letter-display {
    display: flex;
    align-items: baseline;
    gap: 0;
    padding: 20px 0;
    min-height: 200px;
    position: relative;
    width: max-content;
    min-width: 100%;
    background: var(--white);
}

.letter-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    border-left: 1px solid var(--black);
    border-right: 1px solid var(--black);
    height: 160px;
    min-width: 10px;
    z-index: 2;
}

.letter-item:first-child {
    border-left: 2px solid var(--black);
}

.letter-item:last-child {
    border-right: 2px solid var(--black);
}

.letter-char {
    font-family: var(--font-variable);
    line-height: 1;
    color: var(--gray);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    /* Animation appliquée dynamiquement via JavaScript */
    font-weight: 400;
    flex: 1;
    width: 100%;
    text-align: center;
}

.letter-measure {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--red);
    margin-top: 8px;
    font-weight: 700;
    text-align: center;
    min-width: 25px;
    background: var(--white);
    padding: 1px 3px;
    text-transform: uppercase;
    line-height: 1;
}

.space-item {
    height: 160px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    position: relative;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 5px,
        var(--light-gray) 5px,
        var(--light-gray) 10px
    );
    min-width: 10px;
}

/* Pointillés supprimés - seules les hachures restent */

.space-item .letter-measure {
    color: var(--gray);
    background: var(--white);
    z-index: 2;
    position: relative;
}

.interletter-item {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    position: relative;
    min-width: 8px;
}

.interletter-item .letter-measure {
    color: var(--gray);
    font-size: 8px;
    transform: rotate(-90deg);
    transform-origin: center;
    position: absolute;
    white-space: nowrap;
    background: var(--white);
    padding: 2px 4px;
    border: 1px solid var(--gray);
}

/* Informations de calcul - Style Brutaliste */
.calculation-info {
    margin-top: 0;
    padding: 20px 25px;
    background: var(--light-gray);
    border-top: var(--border-thin);
}

.calculation-info h3 {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--black);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.info-content {
    font-size: 11px;
    line-height: 1.4;
    font-weight: 700;
}

.info-content p {
    margin-bottom: 4px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dotted var(--gray);
    padding-bottom: 2px;
}

.info-content strong {
    text-transform: uppercase;
}



/* Article documenté - Style typographique de labeur */
.method-article {
    background: var(--white);
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 60px;
    font-family: var(--font-serif);
}

.article-header {
    text-align: center;
    margin-bottom: 80px;
    border-bottom: 1px solid var(--gray);
    padding-bottom: 50px;
}

.article-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 20px;
    font-family: var(--font-mono);
    letter-spacing: -0.01em;
    line-height: 1.2;}

.article-subtitle {
    font-size: 1.3rem;
    color: var(--gray);
    font-style: italic;
    font-weight: 400;
    line-height: 1.4;
    max-width: 900px;
    margin: 0 auto;
}

/* Galerie d'images défilante */
.image-gallery {
    margin: 60px 0;
    padding: 0;
}

.gallery-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.gallery-scroll {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 20px 0 40px 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--gray) transparent;
}

.gallery-scroll::-webkit-scrollbar {
    height: 6px;
}

.gallery-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.gallery-scroll::-webkit-scrollbar-thumb {
    background: var(--gray);
    border-radius: 3px;
}

.gallery-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--black);
}

.gallery-item {
    flex: 0 0 auto;
    width: 400px;
    margin: 0;
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: var(--border-thin);
    transition: transform 0.2s ease;
}

.gallery-item:hover {
    transform: translateY(-2px);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    border-bottom: var(--border-thin);
}

.gallery-item figcaption {
    padding: 15px 20px;
    font-size: 0.9rem;
    color: var(--gray);
    font-style: italic;
    line-height: 1.4;
    text-align: center;
    font-family: var(--font-serif);
    background: var(--light-gray);
}

.article-content {
    display: flex;
    flex-direction: column;
    gap: 70px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 30px;
    font-family: var(--font-mono);
    letter-spacing: -0.01em;
    line-height: 1.3;
    position: relative;
}


.article-content p {
    margin-bottom: 24px;
    color: #1a1a1a;
    text-align: justify;
    hyphens: auto;
    font-feature-settings: "liga" 1, "kern" 1;
}

.article-content p:first-of-type {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--black);
}

.article-content ul, .article-content ol {
    margin: 30px 0;
    padding-left: 40px;
}

.article-content li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.article-content code {
    background: #f8f8f8;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.95em;
    border: 1px solid #ddd;
    border-radius: 3px;
    color: var(--red);
    font-weight: 600;
}

.article-content strong {
    font-weight: 600;
    color: var(--black);
}

.article-content em {
    font-style: italic;
    color: var(--gray);
}



/* Images et légendes - Style éditorial */
.article-image {
    margin: 50px 0;
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-image figcaption {
    padding: 20px 25px;
    background: #fafafa;
    font-size: 0.95rem;
    color: var(--gray);
    font-style: italic;
    line-height: 1.5;
    border-top: 1px solid #e0e0e0;
    font-family: var(--font-serif);
}

/* Scroll fluide */
html {
    scroll-behavior: smooth;
}

/* Footer du site - Style simple */
.site-footer {
    background: var(--white);
    color: var(--black);
    border-top: 1px solid var(--gray);
    margin-top: 0;
}

.footer-grid {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 40px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 50px;
}

.footer-section h3 {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--red);
    padding-bottom: 8px;
}

.footer-section p {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--black);
    margin-bottom: 15px;
}

.tech-note {
    color: var(--gray);
    font-style: italic;
    font-size: 0.8rem;
}

.credits-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.credits-list li {
    margin-bottom: 15px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--black);
    border-left: 3px solid var(--red);
    padding-left: 15px;
}

.credits-list strong {
    display: block;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.3px;
    margin-bottom: 3px;
}

.footer-bottom {
    border-top: 1px solid var(--gray);
    background: var(--white);
    text-align: center;
    padding: 30px 40px;
}

.footer-bottom p {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--black);
    margin: 0;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.footer-note {
    color: var(--gray) !important;
    margin-top: 8px !important;
    font-weight: 400 !important;
}

/* Utilitaires */
.hidden {
    display: none !important;
}

/* Messages d'erreur - Style Brutaliste */
.error {
    color: var(--white);
    background: var(--red);
    border: var(--border-thin);
    padding: 10px;
    font-size: 11px;
    margin-top: 5px;
    font-weight: 700;
    text-transform: uppercase;
}

/* Responsive */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .control-panel {
        border-right: none;
        border-bottom: var(--border-thick);
    }
    
    .method-article {
        padding: 50px 40px;
    }
    
    .article-header h1 {
        font-size: 2.8rem;
    }
    
    .article-content h2 {
        font-size: 1.9rem;
    }
    
    .gallery-item {
        width: 350px;
    }
    
    .gallery-item img {
        height: 260px;
    }
    
    .footer-grid {
        padding: 50px 30px;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: 10px;
    }
    
    .header {
        padding: 15px 10px;
    }
    
    .title {
        font-size: 1.8rem;
    }
    
    .control-panel, .lettrage-container {
        padding: 15px;
    }
    
    .letter-char {
        font-size: 70px;
    }
    
    .results-header {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .results-header h2 {
        text-align: center;
    }
    
    .method-article {
        padding: 40px 25px;
    }
    
    .article-header {
        margin-bottom: 50px;
        padding-bottom: 30px;
    }
    
    .article-header h1 {
        font-size: 2.2rem;
    }
    
    .article-subtitle {
        font-size: 1.1rem;
    }
    
    .article-content {
        gap: 50px;
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .article-content h2 {
        font-size: 1.6rem;
        margin-bottom: 25px;
    }
    
    .article-content p {
        text-align: left;
        margin-bottom: 20px;
    }
    
    .article-content p:first-of-type {
        font-size: 1rem;
    }
    
    .image-gallery {
        margin: 40px 0;
    }
    
    .gallery-scroll {
        gap: 20px;
        padding: 15px 0 30px 0;
    }
    
    .gallery-item {
        width: 280px;
    }
    
    .gallery-item img {
        height: 200px;
    }
    
    .gallery-item figcaption {
        padding: 12px 15px;
        font-size: 0.8rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        padding: 40px 20px;
        gap: 30px;
    }
    
    .footer-bottom {
        padding: 25px 20px;
    }
    
    .footer-bottom p {
        font-size: 0.75rem;
        line-height: 1.4;
    }
}

/* Animations de pulsation pour les lettres avec gamme élargie du presque blanc au presque noir */
@keyframes grayPulse1 {
    0% { color: #f5f5f5; }
    25% { color: #888888; }
    50% { color: #1a1a1a; }
    75% { color: #888888; }
    100% { color: #f5f5f5; }
}

@keyframes grayPulse2 {
    0% { color: #f0f0f8; }
    25% { color: #808090; }
    50% { color: #151520; }
    75% { color: #808090; }
    100% { color: #f0f0f8; }
}

@keyframes grayPulse3 {
    0% { color: #f8f0f0; }
    25% { color: #908080; }
    50% { color: #201515; }
    75% { color: #908080; }
    100% { color: #f8f0f0; }
}

@keyframes grayPulse4 {
    0% { color: #f0f8f0; }
    25% { color: #809080; }
    50% { color: #152015; }
    75% { color: #809080; }
    100% { color: #f0f8f0; }
}

@keyframes grayPulse5 {
    0% { color: #f8f8f0; }
    25% { color: #909080; }
    50% { color: #202015; }
    75% { color: #909080; }
    100% { color: #f8f8f0; }
}

@keyframes grayPulse6 {
    0% { color: #f5f0ff; }
    25% { color: #888590; }
    50% { color: #1a1525; }
    75% { color: #888590; }
    100% { color: #f5f0ff; }
}

/* Styles d'impression */
@media print {
    .control-panel, .print-btn, .site-footer {
        display: none !important;
    }
    
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .app-container {
        border: none;
        padding: 0;
    }
    
    .results-area {
        border: var(--border-thick);
    }
    
    .letter-display {
        page-break-inside: avoid;
    }
    
    .letter-char {
        color: var(--black) !important;
    }
    
    .calculation-info {
        page-break-inside: avoid;
    }
}