/* Top Header */
.app-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    position: relative;
    z-index: 9000;
    box-shadow: 0 1px 3px var(--shadow);
    height: 60px;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent-blue);
    font-family: 'Noto Serif JP', serif;
    white-space: nowrap;
    flex-shrink: 0;
}

.app-logo-icon {
    font-size: 1.5rem;
}

/* Project Title and Pencil are now visible by default */
#headerProjectTitle {
    opacity: 1;
    display: inline-block;
    vertical-align: middle;
    transition: opacity 0.3s ease;
    white-space: nowrap;
    margin: 0;
}

/* Pencil icon visibility */
.app-logo>[data-lucide="pencil"] {
    opacity: 0.5 !important;
    display: inline-block;
    vertical-align: middle;
    transition: all 0.3s ease;
    margin-left: 4px !important;
    width: 12px;
    height: 12px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE/Edge */
}

.header-nav::-webkit-scrollbar {
    display: none;
    /* Chrome/Safari */
}

.nav-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding-right: 1rem;
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
}

.nav-group:last-child {
    border-right: none;
}

.nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem 0.2rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-base), color var(--transition-base);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 36px;
}

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

.nav-btn.active {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.nav-btn-icon {
    font-size: 1.3rem;
    line-height: 1;
}

/* Lucide Icons Styling */
.nav-btn-icon [data-lucide],
.mobile-nav-item-icon [data-lucide],
.header-action-btn [data-lucide],
[data-lucide] {
    width: 18px;
    height: 18px;
    stroke-width: 1.75;
    vertical-align: middle;
}

.nav-btn-icon [data-lucide] {
    width: 20px;
    height: 20px;
}

.mobile-nav-item-icon [data-lucide] {
    width: 22px;
    height: 22px;
}

.header-action-btn [data-lucide] {
    width: 18px;
    height: 18px;
}

.app-logo-icon [data-lucide] {
    width: 24px;
    height: 24px;
    stroke: var(--primary-color);
}

.modal-title [data-lucide] {
    width: 22px;
    height: 22px;
    vertical-align: middle;
    margin-right: 8px;
}

.mobile-nav-section-title [data-lucide] {
    width: 16px;
    height: 16px;
    vertical-align: middle;
    margin-right: 6px;
}

.nav-btn-text {
    font-size: 0.7rem;
    line-height: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    flex-shrink: 0;
}

/* Global Actions (Undo/Redo) */
.header-global-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding-right: 0.5rem;
}

.header-global-actions .header-action-btn {
    border: none;
    background: transparent;
    opacity: 0.6;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-global-actions .header-action-btn:hover:not(:disabled) {
    background: var(--bg-secondary);
    color: var(--primary-color);
    opacity: 1;
    border-radius: 8px;
}

/* Header Search */
.app-header .header-search {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    min-width: 550px;
    margin: 0 !important;
    z-index: 9500;
    display: flex !important;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

@media (max-width: 1300px) and (min-width: 901px) {
    .app-header {
        padding: 0 1rem;
        gap: 0.5rem;
    }

    .app-header .header-search {
        position: relative !important;
        left: auto !important;
        transform: none !important;
        flex: 1 1 40%;
        /* Progressive growth/shrink */
        min-width: 200px;
        max-width: 600px;
        /* Increased space */
        margin: 0 1.5rem !important;
    }

    .header-search .search-input-wrapper {
        max-width: 100%;
    }

    /* Reduce logo size and hide secondary text to save space */
    .app-logo {
        font-size: 1.1rem;
        gap: 0.5rem;
    }

    .app-logo span#headerProjectTitle,
    .app-logo [data-lucide="pencil"],
    #headerStatsContainer,
    #pomodoroHeaderBtn,
    .split-mode-toggle span,
    .mobile-nav-toggle-btn {
        display: none !important;
    }

    .split-mode-toggle {
        padding: 0.5rem;
    }

    .header-actions {
        gap: 0.35rem;
    }

    .header-action-btn {
        width: 32px;
        height: 32px;
    }
}

.search-container {
    position: relative;
    /* Base positioning for children like icon/results */
}

.header-search .search-input-wrapper {
    position: relative;
    flex: 1;
    max-width: 450px;
}

.header-search .search-input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    height: 38px;
    padding: 0 2.5rem 0 2rem;
    font-size: 0.9rem;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.header-search .search-input:focus {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(var(--primary-color-rgb), 0.1);
}

.header-search .search-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.header-search .search-results {
    width: 600px;
    max-width: calc(100vw - 4rem);
    left: 50%;
    transform: translateX(-50%);
    top: calc(100% + 10px);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    background: rgba(var(--bg-primary-rgb), 0.98);
    backdrop-filter: blur(10px);
    padding: 0.5rem;
}

.header-search .search-result-item {
    border-bottom: none;
    border-radius: 10px;
    margin-bottom: 2px;
}

.header-search .search-result-item:hover {
    background: rgba(var(--primary-color-rgb), 0.08);
}

@media (max-width: 900px) {
    .app-header .header-search {
        position: static !important;
        transform: none !important;
        min-width: 0 !important;
        flex: 1 1 auto;
        display: flex !important;
        align-items: center;
        margin: 0 0.2rem !important;
        justify-content: flex-start;
        /* Animation duration for smooth sliding */
        transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1) !important;
    }

    /* iOS Jony Ive Focus Expand Effect */
    .app-header .header-search:focus-within {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        padding: 0 0.5rem !important;
        margin: 0 !important;
        z-index: 999 !important;
        background: rgba(255, 255, 255, 0.90) !important;
        /* Matches JS/iOS background */
        backdrop-filter: saturate(180%) blur(20px) !important;
        -webkit-backdrop-filter: saturate(180%) blur(20px) !important;
    }

    [data-theme="dark"] .app-header .header-search:focus-within {
        background: rgba(28, 28, 30, 0.90) !important;
    }

    .header-search .search-input-wrapper {
        flex: 1;
        min-width: 60px;
        max-width: 200px;
        position: relative;
        transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    }

    .header-search:focus-within .search-input-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 0.5rem;
        /* space from edges */
    }

    .header-search .search-input {
        width: 100%;
        height: 32px;
        padding: 0 0.5rem 0 1.75rem;
        font-size: 0.85rem;
        border-radius: 16px;
        /* Perfect iOS Pill */
        background: rgba(0, 0, 0, 0.06);
        border: none;
        box-shadow: none;
        transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    }

    .header-search .search-input:focus {
        background: rgba(0, 0, 0, 0.08);
        /* slightly darker on focus */
        max-width: 100% !important;
        height: 36px;
        /* Grow slightly taller */
        font-size: 1rem;
        /* More legible text */
        border-radius: 18px;
    }

    [data-theme="dark"] .header-search .search-input {
        background: rgba(255, 255, 255, 0.1);
    }

    [data-theme="dark"] .header-search .search-input:focus {
        background: rgba(255, 255, 255, 0.15);
    }

    /* Thinner search icon */
    .header-search .search-icon {
        right: auto;
        left: 0.5rem;
        width: 14px;
        height: 14px;
    }

    /* Hide logo title and stats to save space on mobile */
    .app-logo span#headerProjectTitle,
    .app-logo [data-lucide="pencil"],
    #headerStatsContainer {
        display: none !important;
    }

    .header-global-actions {
        padding-right: 0.4rem;
        gap: 0.2rem;
        flex-shrink: 0;
    }

    .header-global-actions .header-action-btn {
        width: 30px;
        height: 30px;
        padding: 4px;
        border: none !important;
        background: transparent !important;
        border-radius: 50% !important;
        color: var(--text-primary) !important;
        box-shadow: none !important;
    }

    .header-global-actions .header-action-btn [data-lucide] {
        width: 14px;
        height: 14px;
    }

    .header-actions {
        gap: 0.25rem;
    }
}

.header-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

/* Hover et Active UNIFIÉS sur primary-color pour cohérence */
.header-action-btn:hover:not(:disabled) {
    background: rgba(var(--primary-color-rgb), 0.10);
    color: var(--primary-color);
    border-color: rgba(var(--primary-color-rgb), 0.30);
}

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

.header-action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Language Dropdown */
.lang-dropdown {
    position: relative;
    display: inline-block;
}

.lang-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.75rem;
    min-width: 160px;
    background: rgba(var(--bg-primary-rgb), 0.97);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 9001;
    padding: 0.5rem;
    pointer-events: auto;
}

.lang-dropdown.open .lang-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Quand le menu langue est ouvert : même style que .active */
.lang-dropdown.open .header-action-btn {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Ensure no parent clips the menu */
.app-header {
    overflow: visible !important;
}

/* Decorative arrow */
.lang-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 14px;
    width: 12px;
    height: 12px;
    background: rgba(var(--bg-primary-rgb), 0.95);
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    transform: rotate(45deg);
    z-index: -1;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
}

.lang-option:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.lang-flag {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.lang-name {
    flex: 1;
}

/* Active state indicator for language */
.lang-option.active {
    background: var(--primary-color);
    color: white;
}

/* Ensure icons in options are styled if used */
.lang-option i {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

/* Interface Customizer */
.interface-hidden-preview {
    opacity: 0.4 !important;
    position: relative;
    pointer-events: auto !important;
    overflow: hidden;
}

.interface-hidden-preview::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    background-image: repeating-linear-gradient(45deg,
            transparent,
            transparent 5px,
            rgba(0, 0, 0, 0.1) 5px,
            rgba(0, 0, 0, 0.1) 10px);
    pointer-events: none;
    z-index: 10;
}

[data-theme="dark"] .interface-hidden-preview::after {
    background-image: repeating-linear-gradient(45deg,
            transparent,
            transparent 5px,
            rgba(255, 255, 255, 0.1) 5px,
            rgba(255, 255, 255, 0.1) 10px);
}

/* Edit bar - inline dans la sidebar-column, entre shortcuts et accordion */
.interface-edit-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--accent-gold);
    border-top: 1px solid var(--accent-gold);
    padding: 0.5rem 0.75rem;
    z-index: 100;
    flex-shrink: 0;
    animation: editBarSlideIn 0.25s ease;
}

.edit-bar-content {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
}

.edit-bar-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.edit-bar-title {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 700;
    color: var(--accent-gold);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.edit-bar-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
    line-height: 1.3;
}

.edit-bar-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-shrink: 0;
}

.edit-bar-actions .btn-sm {
    font-size: 0.8rem;
    padding: 0.4rem 0.5rem;
    width: 100%;
}

@keyframes editBarSlideIn {
    from {
        opacity: 0;
        max-height: 0;
        padding-top: 0;
        padding-bottom: 0;
    }

    to {
        opacity: 1;
        max-height: 350px;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
}

.interface-edit-mode .app-header {
    outline: 2px solid var(--accent-gold);
    outline-offset: -2px;
}

.interface-edit-mode .mobile-nav-dropdown {
    outline: 2px solid var(--accent-gold);
    outline-offset: -2px;
}

.interface-edit-mode .nav-btn,
.interface-edit-mode .header-action-btn,
.interface-edit-mode #headerStatsContainer,
.interface-edit-mode .split-mode-toggle,
.interface-edit-mode .storage-badge-header,
.interface-edit-mode .mobile-nav-item {
    cursor: pointer !important;
}

/* Extra Menu Dropdown */
.extra-menu-dropdown {
    position: relative;
    display: inline-block;
}

.extra-menu-dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.75rem;
    min-width: 200px;
    background: rgba(var(--bg-primary-rgb), 0.97);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 9001;
    padding: 0.5rem;
    pointer-events: auto;
}

.extra-menu-dropdown.open .extra-menu-dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Quand le menu extra est ouvert : même style que .active */
.extra-menu-dropdown.open .header-action-btn {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Decorative arrow for extra menu */
.extra-menu-dropdown-content::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 14px;
    width: 12px;
    height: 12px;
    background: rgba(var(--bg-primary-rgb), 0.95);
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    transform: rotate(45deg);
    z-index: -1;
}

.extra-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    font-family: inherit;
}

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

.extra-menu-item i {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

/* Storage Badge Status Colors in Menu */
.extra-menu-item.status-ok i,
.extra-menu-item.status-ok .storage-icon {
    color: #4caf50;
}

.extra-menu-item.status-warning i,
.extra-menu-item.status-warning .storage-icon {
    color: #ffc107;
}

.extra-menu-item.status-danger i,
.extra-menu-item.status-danger .storage-icon {
    color: #f44336;
}

/* Extra Menu Groups (Lang & Doc) */
.extra-menu-separator {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

.extra-menu-item-group {
    padding: 0.5rem 1rem;
}

.extra-menu-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.extra-menu-label i {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

.extra-menu-row-flags {
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
}

.extra-menu-flag-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.2s ease;
    color: var(--text-primary);
    line-height: 1;
}

.extra-menu-flag-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-gold);
    transform: translateY(-1px);
}