/* -------------------------------------------------------------
   DESIGN SYSTEM MINIMALISTE & ANALOGIQUE - MONIA.CHAT
   ------------------------------------------------------------- */

/* Variables globales par défaut (Dark Theme) */
:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --border-color: #ccff00; /* Filet ultra-discret */
    --shadow-color: #ccff0033;
    
    /* Accents */
    --primary-accent: #ccff00; /* Acid Green / Chartreuse */
    --danger-accent: #ff0055;
    
    /* Structure */
    --card-bg: #121212; /* Une nuance au-dessus du noir profond */
    --sidebar-bg: #070707;
    --message-user-bg: #1f1f1f; /* Gris neutre et calme pour l'utilisateur */
    --message-user-text: #ffffff;
    --message-monia-bg: #121212; /* Suggéré par le fond, sans contour */
    --message-monia-text: #ffffff;
    --message-monia-border: #333333;
    --code-bg: rgba(255, 255, 255, 0.04);
    --system-log-color: #555555;
    
    /* Typographies */
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    
    --transition-speed: 0.15s;
}

html, body {
    overflow-x: hidden;
    height: 100vh;
    width: 100%;
    padding: 0;
    margin: 0;
}

/* Thème Papier (Light Theme) */
.light-theme {
    --bg-color: #f8f9fa;
    --text-color: #1a1a1a;
    --border-color: #e0e0e0;
    --shadow-color: #f1f1f1;
    
    /* Accents */
    --primary-accent: #000000; /* Identité forte préservée */
    --danger-accent: #ff0055;
    
    /* Structure */
    --card-bg: #ffffff;
    --sidebar-bg: #f1f1f1;
    --message-user-bg: #eaeaea;
    --message-user-text: #1a1a1a;
    --message-monia-bg: #ffffff;
    --message-monia-text: #1a1a1a;
    --message-monia-border: #cccccc;
    --code-bg: rgba(0, 0, 0, 0.04);
    --system-log-color: #888888;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    height: 100vh;
    overflow: hidden;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Grain argentique organique global */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.035; /* Texture de papier grainée très fine */
    pointer-events: none;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 250 250' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

#app-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    height: 100vh;
    width: 100vw;
}

/* -------------------------------------------------------------
   COMPOSANTS BRUTALISTES PURIFIÉS (BORDERS, SHADOWS, BTNS)
   ------------------------------------------------------------- */

/* Bouton Brutaliste Purifié */
.brutal-btn {
    display: inline-flex;
    align-items: left;
    justify-content: left;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: bold;
    text-transform: uppercase;
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 0;
    padding: 8px 18px;
    border-radius: 0;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, transform 0.05s ease, box-shadow 0.05s ease;
    user-select: none;
}

.brutal-btn:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* État d'enfoncement mécanique */
.brutal-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 0px 0px 0px var(--shadow-color);
}

.brutal-btn.primary {
    background-color: var(--primary-accent);
    color: var(--bg-color);
    border: 0;
    box-shadow: 3px 3px 0px var(--shadow-color);
}

.brutal-btn.primary:hover {
    background-color: #ffffff;
    color: #0a0a0a;
    border-color: #ffffff;
}

.light-theme .brutal-btn.primary:hover {
    background-color: #0a0a0a;
    color: #ffffff;
    border-color: #0a0a0a;
}

.brutal-btn.icon {
    width: 44px;
    height: 34px;
    padding: 8px;
    font-size: .8rem;
}

.brutal-btn.danger {
    background-color: var(--danger-accent);
    color: #ffffff;
    border-color: var(--danger-accent);
}
.brutal-btn.danger:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
}

/* Sélecteur de Langue Brutaliste */
.brutal-select-lang {
    width: 60px;
    height: 44px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: bold;
    text-transform: uppercase;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 0;
    border-radius: 0;
    cursor: pointer;
    box-shadow: 2px 2px 0px var(--shadow-color);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, transform 0.05s ease, box-shadow 0.05s ease;
    text-align: center;
    text-align-last: center;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    outline: none;
}

.brutal-select-lang:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.brutal-select-lang:active {
    transform: translate(2px, 2px);
    box-shadow: 0px 0px 0px var(--shadow-color);
}

.brutal-select-lang option {
    background-color: var(--card-bg);
    color: var(--text-color);
    font-family: var(--font-mono);
    font-weight: bold;
}


/* Carte Brutaliste Épurée */
.brutal-card {
    background-color: var(--bg-color);
    padding: 14px 20px;
    border-radius: 0;
    margin-bottom: 20px;
    max-width: 100%;
}

/* Inputs & Selects Épurés */
.brutal-input, .brutal-select {
    width: 100%;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 12px;
    font-family: var(--font-sans);
    font-size: 1rem;
    border-radius: 0;
    outline: none;
    transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.brutal-input:focus, .brutal-select:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 1px var(--primary-accent);
}

/* -------------------------------------------------------------
   BARRE LATÉRALE (SIDEBAR)
   ------------------------------------------------------------- */
#sidebar {
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 13px 20px 0;
    z-index: 10;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
}

.brand h2 {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    letter-spacing: -1px;
}

body.light-theme .brand .dark {
    display:none !important;
}
body.light-theme .brand .light {
    display:block !important;
}

body.dark-theme .brand .dark {
    display:block !important;
}
body.dark-theme .brand .light {
    display:none !important;
}

.v-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    font-weight: bold;
    display: inline-block;
    margin-top: -2px;
}

#new-chat-btn {
    width: 100%;
    margin-bottom: 25px;
}

.history-section {
    flex-grow: 1;
    overflow-y: auto;
    margin-bottom: 20px;
}

.history-section h3 {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.5;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

#chat-history-list {
    list-style: none;
}

#chat-history-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    padding: 10px 12px;
    margin-bottom: 6px;
    background-color: transparent;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.75;
    transition: all var(--transition-speed) ease;
}

#chat-history-list li:hover {
    background-color: var(--card-bg);
    opacity: 1;
    border-color: var(--border-color);
}

#chat-history-list li.active {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    opacity: 1;
    color: #ffffff;
}

.light-theme #chat-history-list li.active {
    color: #000000;
}

#chat-history-list li .delete-session,
#chat-history-list li .download-session {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    font-size: 1rem;
    padding: 0 4px;
}

#chat-history-list li .delete-session:hover {
    color: var(--danger-accent);
    font-weight: bold;
}

@keyframes conv-blink-delete {
    0%   { opacity: 1; }
    20%  { opacity: 0.15; }
    40%  { opacity: 1; }
    60%  { opacity: 0.15; }
    80%  { opacity: 0; max-height: 3rem; padding-top: inherit; padding-bottom: inherit; }
    100% { opacity: 0; max-height: 0; padding-top: 0; padding-bottom: 0; margin: 0; border: 0; transform: translateX(-12px); }
}

#chat-history-list li.deleting {
    animation: conv-blink-delete 0.45s ease-in-out forwards;
    pointer-events: none;
    overflow: hidden;
    will-change: opacity, max-height, transform;
}

#chat-history-list li .download-session:hover {
    color: var(--primary-accent);
    font-weight: bold;
}

.sidebar-footer {
    padding-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Statut LED matériel */
.hardware-led {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
}

.led-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid #000000;
}

.hardware-led.success .led-dot {
    background-color: #00ff66;
    box-shadow: 0 0 8px #00ff66;
}

.hardware-led.warning .led-dot {
    background-color: #ffea00;
    box-shadow: 0 0 8px #ffea00;
    animation: pulse 1.5s infinite alternate;
}

.hardware-led.danger .led-dot {
    background-color: #ff0055;
    box-shadow: 0 0 8px #ff0055;
}

@keyframes pulse {
    0% { opacity: 0.4; }
    100% { opacity: 1; }
}

.footer-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.flex-grow {
    flex-grow: 1;
}

/* -------------------------------------------------------------
   ZONE DE CHAT PRINCIPALE
   ------------------------------------------------------------- */
#chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
}

#chat-header {
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    padding: 0 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-color);
}

.chat-header-title {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
}

.chat-header-title h1 {
    font-size: 1.3rem;
    font-weight: bold;
}

.engine-badge {
    font-size: 0.75rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 4px 10px 4px 8px;
    font-weight: bold;
    cursor: pointer;
    font-family: var(--font-mono);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}
.engine-badge::after {
    content: " ▾";
    opacity: 0.7;
}
.engine-badge:hover,
.engine-badge[aria-expanded="true"] {
    background-color: var(--primary-accent);
    color: var(--bg-color);
    border-color: var(--primary-accent);
}

/* Menu déroulant du moteur actif (local + BYOK enregistrés) */
#engine-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 60;
    min-width: 320px;
    max-width: 480px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 4px 4px 0 var(--shadow-color);
    padding: 12px 0;
    max-height: 70vh;
    overflow-y: auto;
}

.engine-section {
    padding: 4px 0 8px;
    border-bottom: 1px solid var(--message-monia-border);
}
.engine-section:last-child {
    border-bottom: 0;
}

.engine-section-title {
    font-size: 0.7rem;
    color: var(--text-color);
    opacity: 0.5;
    padding: 4px 14px 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.engine-empty {
    font-size: 0.75rem;
    opacity: 0.4;
    padding: 4px 14px 8px;
}

.engine-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 7px 14px;
    background: none;
    border: 0;
    color: var(--text-color);
    text-align: left;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}
.engine-item:hover {
    background-color: var(--primary-accent);
    color: var(--bg-color);
}
.engine-item.active {
    color: var(--primary-accent);
}
.engine-item.active:hover {
    color: var(--bg-color);
}
.engine-item-dot {
    width: 12px;
    flex-shrink: 0;
}
.engine-item-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.8rem;
}
.engine-item-sub {
    opacity: 0.55;
    font-size: 0.85em;
}
.engine-item:hover .engine-item-sub {
    opacity: 0.85;
    color: #0a0a0a;
}

.engine-add {
    display: block;
    width: 100%;
    padding: 7px 14px;
    background: none;
    border: 0;
    color: var(--text-color);
    opacity: 0.55;
    text-align: left;
    cursor: pointer;
    font-size: 0.72rem;
    letter-spacing: 1px;
}
.engine-add:hover {
    opacity: 1;
    color: var(--primary-accent);
}

/* Flux de messages */
#chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Écran d'accueil */
.welcome-screen {
    max-width: 650px;
    margin: auto;
    display: flex;
    display: none;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.welcome-card h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    border-bottom: 2px dashed var(--border-color);
    padding-bottom: 8px;
}
.welcome-card {
    background: var(--bg-color);
}

.intro-p {
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.rules-box {
    background-color: var(--bg-color);
    border: 2px solid var(--border-color);
    padding: 15px;
    margin-bottom: 25px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rule-line {
    font-size: 0.9rem;
    font-weight: bold;
}

.accent-green {
    color: var(--primary-accent);
}

.welcome-actions {
    display: flex;
    justify-content: center;
}

/* Bulles de messages */
.message {
    display: flex;
    flex-direction: column;
    max-width: 80%;
    margin-bottom: 5px;
}

.message .msg-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    opacity: 0.6;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.message .msg-bubble {
    padding: 16px 20px;
    font-size: 1.05rem;
    line-height: 1.6;
    position: relative;
    overflow-x: auto;
    overflow-y: auto;
    max-width: 79vw;
    max-height: 42vh;
    border: 1px solid var(--primary-accent);
}

/* User Message */
.message.user {
    align-self: flex-end;
}
.message.user .msg-meta {
    align-self: flex-end;
}
.message.user .msg-bubble {
    background-color: var(--primary-accent);
    color: var(--bg-color);
    border-radius: 0;
}

/* Monia Message */
.message.monia {
    align-self: flex-start;
}
.message.monia .msg-meta {
    align-self: flex-start;
}
.message.monia .msg-bubble {
    background-color: var(--message-monia-bg);
    color: var(--message-monia-text);
    padding: 23px 24px 42px;
    line-height: 1.65;
}

/* System Message */
.message.system {
    align-self: flex-start;
    max-width: 100%;
    margin-bottom: 5px;
}
.message.system .msg-meta {
    display: none;
}
.message.system .msg-bubble {
    background-color: transparent;
    border: none;
    box-shadow: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--system-log-color);
    padding: 4px 12px;
    text-align: left;
    line-height: 1.4;
}
.message.system .msg-bubble::before {
    content: "■ SYSTEM LOG : ";
    font-weight: bold;
}

#stop-btn {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 13px;
    height: 100vh;
}

/* Message d'erreur */
.message.error {
    align-self: center;
    max-width: 90%;
}
.message.error .msg-bubble {
    background-color: var(--danger-accent);
    color: #000000;
    border: 1px solid var(--danger-accent);
    box-shadow: 3px 3px 0px var(--shadow-color);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: bold;
}

/* Barre d'actions des messages Monia (Lecture vocale, Copier) */
.msg-actions-bar {
    position: sticky;
    bottom: 3px;
    left: 23px;
    display: flex;
    gap: 6px;
    z-index: 10;
}
.msg-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    color: var(--text-color);
    box-shadow: 2px 2px 0px var(--shadow-color);
    transition: all var(--transition-speed) ease;
    padding: 0;
}
.msg-action-btn:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
    border-color: var(--text-color);
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0px var(--shadow-color);
}
.msg-action-btn:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--shadow-color);
}
.msg-action-btn.success {
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.msg-action-btn.success:hover {
    background-color: var(--accent-color);
    color: var(--primary-accent);
    border-color: var(--accent-color);
}

/* Alignement et styles pour les icônes Lucide */
.lucide, .btn-icon svg, .brutal-btn svg, .icon-btn svg {
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: inline-block;
    vertical-align: middle;
}
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.btn-text {
    line-height: 28px;
}

/* Markdown basique dans les bulles */
.msg-bubble p {
    margin-bottom: 12px;
}
.msg-bubble p:last-child {
    margin-bottom: 0;
}
.msg-bubble ul, .msg-bubble ol {
    margin-left: 20px;
    margin-bottom: 12px;
}
.msg-bubble li {
    margin-bottom: 6px;
}
.msg-bubble code {
    font-family: var(--font-mono);
    background-color: var(--code-bg);
    padding: 2px 6px;
    font-size: 0.9rem;
    border: none;
}
/* Container de bloc de code cyber-brutaliste */
.code-block-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 3px 3px 0px var(--shadow-color);
    margin: 16px 0;
    background-color: var(--code-bg);
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--text-color);
    user-select: none;
}

.code-lang {
    opacity: 0.8;
    letter-spacing: 0.05em;
}

.code-copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    color: var(--text-color);
    box-shadow: 1px 1px 0px var(--shadow-color);
    transition: all 0.05s ease;
    padding: 0;
}

.code-copy-btn:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
    border-color: var(--text-color);
    transform: translate(-0.5px, -0.5px);
    box-shadow: 1.5px 1.5px 0px var(--shadow-color);
}

.code-copy-btn:active {
    transform: translate(0.5px, 0.5px);
    box-shadow: 0.5px 0.5px 0px var(--shadow-color);
}

.code-copy-btn.success {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.code-copy-btn.success:hover {
    background-color: var(--accent-color);
    color: #000000;
    border-color: var(--accent-color);
}

.msg-bubble pre {
    background-color: transparent;
    border: none;
    padding: 15px;
    overflow-x: auto;
    margin: 0;
}

.msg-bubble pre code {
    background-color: transparent;
    padding: 0;
    border: none;
    display: block;
}

/* -------------------------------------------------------------
   BARRE DE PROGRESSION GONZO
   ------------------------------------------------------------- */
.progress-card {
    position: absolute;
    bottom: 100px;
    left: 25px;
    right: 25px;
    margin-bottom: 0;
    background-color: var(--card-bg);
    z-index: 5;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.progress-bar-wrapper {
    height: 24px;
    border: 3px solid var(--border-color);
    background-color: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-accent);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-meta {
    margin-top: 10px;
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
}

/* -------------------------------------------------------------
   ZONE DE SAISIE DE TEXTE (FOOTER)
   ------------------------------------------------------------- */
#chat-input-area {
    padding: 3px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-color);
}

.input-wrapper {
    display: flex;
    gap: 0;
    align-items: flex-end;
    padding: 6px 10px;
    margin-bottom: 0;
    background-color: transparent;
    border: none;
    box-shadow: none;
}

.input-wrapper textarea {
    flex-grow: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-color);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    padding: 10px 10px 10px 5px;
    resize: none;
    min-height: 44px;
    height: 44px;
    max-height: 200px;
    overflow-y: hidden;
    line-height: 1.5;
}

.input-wrapper textarea::placeholder {
    color: var(--text-color);
    opacity: 0.5;
}

.input-wrapper .brutal-btn.icon {
    margin-bottom: 0;
}

#voice-btn.voice-active {
    background-color: var(--danger-accent);
    color: #ffffff;
    animation: mic-pulsate 1s infinite alternate;
}

@keyframes mic-pulsate {
    0% { box-shadow: 0 0 5px var(--danger-accent); }
    100% { box-shadow: 0 0 15px var(--danger-accent); }
}

/* -------------------------------------------------------------
   TIROIR DE CONFIGURATION (OVERLAY)
   ------------------------------------------------------------- */
#config-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: blur(4px);
    transition: opacity var(--transition-speed) ease;
}

.config-modal {
    width: 90%;
    max-width: 600px;
}

.config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.config-header h2 {
    font-size: 1.3rem;
}

.config-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
    gap: 10px;
}

.tab-btn {
    flex-grow: 1;
    background: none;
    border: 1px solid transparent;
    border-bottom: none;
    color: var(--text-color);
    padding: 12px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    opacity: 0.6;
    transition: opacity var(--transition-speed) ease;
}

.tab-btn:hover {
    opacity: 0.9;
}

.tab-btn.active {
    border-color: var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    opacity: 1;
    transform: translateY(1px); /* colle à la bordure */
}

.tab-panel {
    min-height: 220px;
}

.panel-desc {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 20px;
    opacity: 0.8;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 8px;
}

.input-help {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: 6px;
}

.info-alert {
    padding: 12px 15px;
    font-size: 0.85rem;
    margin-top: 15px;
    box-shadow: none;
}

.text-warning {
    border-color: var(--secondary-accent);
    color: var(--secondary-accent);
}

.config-footer {
    display: flex;
    border-top: 3px dashed var(--border-color);
    padding-top: 20px;
    margin-top: 20px;
}

/* -------------------------------------------------------------
   RETRO SCROLLBARS
   ------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-left: 2px solid var(--border-color);
}

::-webkit-scrollbar-thumb {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--border-color);
}

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

.mobile-only {
    display: none !important;
}

/* -------------------------------------------------------------
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ------------------------------------------------------------- */
@media (max-width: 768px) {
    #app-container {
        grid-template-columns: 1fr;
    }
    
    #sidebar {
        position: fixed;
        top: 0;
        left: -320px;
        width: 320px;
        height: 100vh;
        transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    #sidebar.open {
        left: 0;
    }
    
    .mobile-only {
        display: inline-flex !important;
    }
    
    #sidebar-toggle-btn {
        display: inline-flex !important;
    }
}

@media (min-width: 769px) {
    #sidebar-toggle-btn {
        display: none !important;
    }
}

/* Aperçu des pièces jointes */
#attachments-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
    padding: 0 5px;
}

.attachment-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: bold;
    box-shadow: 1px 1px 0px var(--shadow-color);
    color: var(--text-color);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.attachment-badge:hover {
    transform: translate(-1px, -1px);
    box-shadow: 2px 2px 0px var(--shadow-color);
}

.attachment-badge .remove-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: bold;
    padding: 0 2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.attachment-badge .remove-btn:hover {
    color: var(--danger-accent);
}

/* Zone de Drop globale overlay */
#drop-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border: 2px dashed var(--primary-accent);
    pointer-events: none; /* Permet aux événements de drag over de passer au conteneur */
    box-sizing: border-box;
}

.light-theme #drop-overlay {
    background-color: rgba(248, 249, 250, 0.95);
}

.drop-dashed-box {
    border: 1px solid var(--border-color);
    padding: 30px;
    background-color: var(--bg-color);
    color: var(--primary-accent);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: bold;
    text-align: center;
    box-shadow: 2px 2px 0px var(--shadow-color);
}