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

:root{
    --primary-color: #fe7349;
    --secondary-color: #ed9839;
    --background-color: #101010;
    --card-color: #3a3939;
    --text-color: #ffffff;
    --border-color: #ddd;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --success-color: #2ecc71;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    overflow: hidden;
    background-color: var(--background-color);
}

/* Page de connexion */
#login-page {
    display: none;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: var(--background-color);
}

#login-page.active {
    display: flex;
}

.login-container {
    background: var(--card-color);
    padding: 40px 60px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.login-container h1 {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.login-container p {
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 18px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#room-code {
    padding: 15px 20px;
    font-size: 24px;
    text-align: center;
    border: 2px solid #ddd;
    border-radius: 10px;
    letter-spacing: 5px;
    font-weight: bold;
    transition: border-color 0.3s;
}

#room-code:focus {
    outline: none;
    border-color: var(--secondary-color);
}

#join-btn {
    padding: 15px 30px;
    font-size: 18px;
    background: var(--primary-color);
    color: var(--text-color);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
}

#join-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(234, 161, 102, 0.4);
}

#join-btn:active {
    transform: translateY(0);
}

/* Page du canvas */
#canvas-page {
    display: none;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    background: #000000;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.toolbar {
    background: white;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    flex-wrap: wrap;
    border-radius: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 15px;
    border-right: 1px solid #eee;
}

.toolbar-section:last-child {
    border-right: none;
    margin-left: auto;
}

.tool-btn {
    width: 40px;
    height: 40px;
    border: 2px solid transparent;
    background: #f5f5f5;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    color: #333;
}

.tool-btn:hover {
    background: #e5e5e5;
    transform: scale(1.05);
}

.tool-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.color-picker-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #ddd;
}

#color-picker {
    width: 60px;
    height: 60px;
    border: none;
    cursor: pointer;
    margin: -10px;
}

#size-slider {
    width: 100px;
}

#size-display {
    font-weight: bold;
    color: var(--primary-color);
    min-width: 30px;
}

#room-info {
    color: #333;
    font-size: 14px;
}

#room-info strong {
    color: var(--primary-color);
    font-size: 18px;
    letter-spacing: 2px;
}

#user-count {
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

/* Canvas */
#whiteboard {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: var(--text-color);
    cursor: crosshair;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 1;
}

/* Objets sur le canvas */
#objects-container {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    border-radius: 20px;
    overflow: hidden;
    z-index: 5;
}

.canvas-object {
    position: absolute;
    pointer-events: none;
    cursor: move;
    user-select: none;
}

#objects-container.allow-interaction {
    pointer-events: all;
}

#objects-container.allow-interaction .canvas-object {
    pointer-events: all;
}

/* Les handles et le contenu doivent être interactifs en mode sélection */
#objects-container.allow-interaction .canvas-object * {
    pointer-events: all !important;
}

.stroke-container path {
    pointer-events: none !important;
}

#objects-container.allow-interaction .stroke-container path {
    pointer-events: stroke !important;
}

/* Conteneur d'image avec poignées */
.image-container {
    border: 2px solid transparent;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.image-container:hover,
.image-container.selected {
    border-color: var(--primary-color);
}

.image-container.selected,
.arrow-container.selected,
.stroke-container.selected {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.image-container img {
    display: block;
    user-drag: none;
    -webkit-user-drag: none;
}

/* Poignées de redimensionnement */
.resize-handle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 10;
}

.image-container.selected .resize-handle {
    opacity: 1;
}

.resize-nw {
    top: -6px;
    left: -6px;
    cursor: nw-resize;
}

.resize-ne {
    top: -6px;
    right: -6px;
    cursor: ne-resize;
}

.resize-sw {
    bottom: -6px;
    left: -6px;
    cursor: sw-resize;
}

.resize-se {
    bottom: -6px;
    right: -6px;
    cursor: se-resize;
}

/* Poignée de rotation */
.rotate-handle {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 10;
}

.rotate-handle:active {
    cursor: grabbing;
}

.image-container.selected .rotate-handle {
    opacity: 1;
}

.rotate-handle svg {
    color: var(--primary-color);
}

/* Bouton supprimer */
.delete-btn {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 24px;
    height: 24px;
    background: #ff4757;
    color: white;
    border: 2px solid white;
    border-radius: 50%;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 11;
    padding: 0;
}

.delete-btn:hover {
    transform: scale(1.1);
    background: #ee5a6f;
}

.image-container.selected .delete-btn,
.text-container.selected .delete-btn,
.arrow-container.selected .delete-btn {
    opacity: 1;
}

/* Texte */
.text-container {
    position: absolute;
    cursor: move;
    box-sizing: border-box;
    min-width: 100px;
    min-height: 50px;
}

.text-content {
    background: transparent;
    padding: 5px 10px;
    white-space: nowrap;
    font-weight: 500;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.text-container.selected .text-content {
    -webkit-text-stroke: 2px var(--primary-color);
    text-stroke: 2px var(--primary-color);
}

.text-container.selected .resize-handle {
    opacity: 1;
}

.text-container.selected .rotate-handle {
    opacity: 1;
}

.text-font-slider {
    position: absolute;
    bottom: -30px;
    left: 0;
    right: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 0.2s;
    cursor: pointer;
    pointer-events: all;
}

.text-container.selected .text-font-slider {
    opacity: 1;
}

/* Post-its */
.postit-object {
    background: #ffd93d;
    min-width: 150px;
    min-height: 150px;
    padding: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 0;
    position: relative;
    cursor: move;
}

.postit-object::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), transparent);
}

.postit-content {
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    word-wrap: break-word;
}

.postit-object:hover,
.postit-object.selected {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

/* Flèches */
.arrow-container {
    cursor: default;
    pointer-events: all;
}

.arrow-container.selected {
    outline: none;
}

.arrow-point {
    position: absolute;
    width: 14px;
    height: 14px;
    background: white;
    border: 2px solid #667eea;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.2s;
    cursor: pointer;
    pointer-events: all;
    z-index: 10;
}

.arrow-container.selected .arrow-point {
    opacity: 1;
}

.arrow-point:hover {
    background: #667eea;
    transform: translate(-50%, -50%) scale(1.2);
}

/* Curseurs distants */
#cursors-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 8;
}

.remote-cursor {
    position: absolute;
    pointer-events: none;
    transition: all 0.1s ease-out;
    z-index: 1000;
}

.remote-cursor svg {
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.5));
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .toolbar {
        padding: 8px 10px;
        gap: 10px;
    }

    .toolbar-section {
        padding: 0 8px;
    }

    .tool-btn {
        width: 35px;
        height: 35px;
    }

    #size-slider {
        width: 60px;
    }

    .login-container {
        padding: 30px 40px;
    }

    .login-container h1 {
        font-size: 36px;
    }

    #room-code {
        font-size: 20px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.login-container {
    animation: fadeIn 0.3s ease-out;
}

.canvas-object {
    animation: fadeIn 0.2s ease-out;
}

/* Scrollbars personnalisés */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

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

/* Popups / Modals */
/* Boîte de sélection */
.selection-box {
    position: fixed;
    border: 2px dashed #667eea;
    background: rgba(102, 126, 234, 0.1);
    pointer-events: none;
    z-index: 9;
    display: none;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-container {
    background: var(--card-color);
    border-radius: 20px;
    padding: 30px;
    min-width: 400px;
    max-width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-container h3 {
    margin: 0 0 20px 0;
    color: var(--text-color);
    font-size: 24px;
}

.modal-container p {
    margin: 0 0 20px 0;
    color: var(--text-color);
    font-size: 16px;
}

.modal-container input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    margin-bottom: 20px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.modal-container input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal-buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.modal-buttons button {
    padding: 10px 24px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--card-color);
    color: #333;
}

.btn-secondary:hover {
    background: var(--secondary-color);
}

.btn-danger {
    background: var(--primary-color);
    color: white;
}

.btn-danger:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .modal-container {
        min-width: 90%;
        padding: 20px;
    }

    .modal-container h3 {
        font-size: 20px;
    }

    .modal-buttons {
        flex-direction: column-reverse;
    }

    .modal-buttons button {
        width: 100%;
    }
}