/* ===== VARIABLES CSS ===== */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --danger-color: #dc2626;
    --success-color: #16a34a;
    --warning-color: #f59e0b;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1e293b;

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;

    --border-color: #e2e8f0;
    --border-radius: 8px;
    --box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    --header-height: 70px;
    --footer-height: 40px;

    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-width: 1024px;
}

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

a:hover {
    color: #1d4ed8;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 1.75rem;
}

.app-version {
    font-size: 0.55rem;
    font-weight: 400;
    opacity: 0.5;
    letter-spacing: 0.03em;
    align-self: flex-end;
    margin-bottom: 0.1rem;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.breadcrumb-item:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--text-light);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow);
}

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

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow);
}

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

.btn-danger:hover {
    background-color: #b91c1c;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ===== ADMIN CONTROLS ===== */
.admin-controls,
.auth-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-top: var(--header-height);
    margin-bottom: var(--footer-height);
    height: calc(100vh - var(--header-height) - var(--footer-height));
    overflow: hidden;
}

/* ===== ROADMAP CANVAS ===== */
#roadmap-canvas {
    width: 100%;
    height: 100%;
    background-color: var(--bg-secondary);
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* ===== FOOTER ===== */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--footer-height);
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    z-index: 1000;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-help {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.help-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

kbd {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* ===== MODAL ===== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slideIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1.25rem;
    flex: 1;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.35rem;
    color: var(--text-light);
    font-size: 0.8rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* ===== PROGRESS SLIDER ===== */
.progress-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(to right, #FFB366, #FFD700, #7FFF00);
    border-radius: 5px;
    outline: none;
}

.progress-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--box-shadow);
}

.progress-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--box-shadow);
}

.progress-preview {
    margin-top: 0.75rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

/* ===== LOGIN PAGE ===== */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
    padding: 2rem;
}

.login-box {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.link-secondary {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.link-secondary:hover {
    color: var(--primary-color);
}

/* ===== ERROR MESSAGES ===== */
.error-message {
    background-color: #fee;
    color: var(--danger-color);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    border: 1px solid #fcc;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.success-message {
    background-color: #efe;
    color: var(--success-color);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    border: 1px solid #cfc;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ===== VIS.JS OVERRIDES ===== */
.vis-network {
    outline: none;
}

.vis-network:focus {
    outline: none;
}

/* Personnalisation des tooltips vis.js */
.vis-tooltip {
    background-color: var(--bg-dark) !important;
    color: white !important;
    border: none !important;
    border-radius: var(--border-radius) !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.9rem !important;
    box-shadow: var(--box-shadow-lg) !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    body {
        min-width: auto;
    }

    .header {
        padding: 0 1rem;
    }

    .header-left {
        gap: 1rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .breadcrumb {
        font-size: 0.8rem;
    }

    .form-row {
        flex-direction: column;
    }

    .modal-content {
        width: 95%;
    }
}

/* ===== MENU CONTEXTUEL ===== */
.context-menu {
    position: fixed;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    min-width: 200px;
    z-index: 10000;
    display: none;
    padding: 0.5rem 0;
    max-height: calc(100vh - 20px);
    overflow-y: auto;
}

.context-menu.show {
    display: block;
}

.context-menu-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.context-menu-item:hover {
    background: var(--bg-secondary);
}

.context-menu-item i {
    width: 1rem;
    text-align: center;
}

.context-menu-item.danger {
    color: var(--danger-color);
}

.context-menu-item.danger:hover {
    background: #fee;
}

.context-menu-separator {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* ===== CHANGELOG ===== */
.changelog-entry {
    position: relative;
    padding: 0.85rem 1rem 0.85rem 2.75rem;
    border-bottom: 1px solid var(--border-color);
}
.changelog-entry:last-child { border-bottom: none; }

.changelog-entry::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 1.2rem;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    background: var(--changelog-dot-color, var(--text-secondary));
}

.changelog-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.3rem;
}

.changelog-date {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.changelog-hash {
    font-family: monospace;
    font-size: 0.72rem;
    background: var(--bg-secondary);
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    color: var(--text-secondary);
}

.changelog-type-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.45rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.changelog-message {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
    line-height: 1.4;
}

.changelog-diff-toggle {
    font-size: 0.78rem;
    color: var(--primary-color);
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    text-decoration: none;
    opacity: 0.8;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}
.changelog-diff-toggle:hover { opacity: 1; text-decoration: underline; }

.changelog-diff-content {
    display: none;
    font-size: 0.78rem;
    font-family: monospace;
    background: var(--bg-secondary);
    padding: 0.6rem 0.75rem;
    border-radius: 4px;
    margin-top: 0.4rem;
    white-space: pre;
    overflow-x: auto;
    color: var(--text-secondary);
    line-height: 1.5;
}
.changelog-diff-content.visible { display: block; }

/* ===== DETAIL PANEL ===== */
.detail-panel {
    position: fixed;
    top: var(--header-height);
    right: -380px;
    width: 360px;
    height: calc(100vh - var(--header-height) - var(--footer-height));
    background: var(--bg-primary);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 500;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    border-left: 1px solid #e2e8f0;
    overflow: hidden;
}

.detail-panel.open {
    right: 0;
}

.detail-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #e2e8f0;
    background: var(--bg-secondary);
    gap: 0.75rem;
    min-height: 60px;
}

.detail-panel-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.detail-panel-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.1rem;
    padding: 0.25rem;
    border-radius: 4px;
    flex-shrink: 0;
}
.detail-panel-close:hover {
    background: #e2e8f0;
    color: var(--text-primary);
}

.detail-type-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
    text-transform: capitalize;
}

.detail-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.detail-text {
    margin: 0;
    line-height: 1.5;
    white-space: pre-wrap;
}

.detail-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.detail-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    word-break: break-all;
}
.detail-link:hover {
    text-decoration: underline;
}

.detail-progress-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.25rem;
}

.detail-progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* ===== INPUT CLEAR BUTTON ===== */
.input-with-clear {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-clear input {
    flex: 1;
    padding-right: 2rem;
}

.input-clear-btn {
    position: absolute;
    right: 0.4rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.7rem;
    padding: 0.2rem 0.3rem;
    border-radius: 3px;
    opacity: 0.5;
    line-height: 1;
}
.input-clear-btn:hover {
    opacity: 1;
    background: #e2e8f0;
    color: var(--text-primary);
}

/* ===== UNDO/REDO BUTTONS ===== */
.btn-icon-only {
    padding: 0.4rem 0.6rem;
    min-width: unset;
}
.btn-icon-only:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}
.btn-separator {
    width: 1px;
    height: 1.4rem;
    background: var(--border-color);
    margin: 0 0.25rem;
    align-self: center;
}

/* ===== MOVE ROADMAP MODAL ===== */
.move-roadmap-option {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color); border-radius: var(--border-radius);
    background: var(--bg-primary); color: var(--text-primary);
    font-size: 0.9rem; cursor: pointer; text-align: left; width: 100%;
    transition: var(--transition);
}
.move-roadmap-option:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color); color: var(--primary-color);
}