/* GlaStok Industrial Layout - Updated from Pencil Designs */

/* =========================================
   Skip Link — accessible bypass for screen-reader / keyboard users
   Visible only when focused (positioned off-screen otherwise).
   ========================================= */
.gs-skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    z-index: var(--gs-z-skip);
    padding: var(--gs-space-2) var(--gs-space-4);
    /* Off-screen: sarı border/bg viewport üstüne sızıp ince çizgi bırakabiliyordu */
    background: transparent;
    color: transparent;
    font-family: var(--gs-font-heading, "Space Grotesk", sans-serif);
    font-size: var(--gs-text-base);
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 2px solid transparent;
    transition:
        top var(--gs-transition-fast),
        background-color var(--gs-transition-fast),
        color var(--gs-transition-fast),
        border-color var(--gs-transition-fast);
}

.gs-skip-link:focus {
    top: 0;
    background: var(--gs-primary);
    color: var(--gs-text-inverse, #1a1a1a);
    border-color: var(--gs-primary);
    outline: 2px solid var(--gs-text);
    outline-offset: 2px;
}

.gs-layout {
    /* WHY page-flow layout (was fixed 100dvh + overflow:hidden):
       The locked shell pattern caused wheel events to fall through to a
       body that couldn't scroll. Now the body scrolls natively; the
       sidebar is position:fixed so it stays in place while the user
       scrolls the main content. */
    display: flex;
    flex-direction: row;
    min-height: 100vh;
    min-height: 100dvh;
    background-color: var(--gs-bg, #1a1a1a);
    /* Rail width drives .gs-main margin on desktop so topbar + content shift with collapse. */
    --gs-sidebar-rail-width: 260px;
}

/* NOTE: Do not rely on :has() here to flip --gs-sidebar-rail-width — in some
   Blazor scoped bundles / engines the :has(.gs-layout) chain fails to match,
   leaving the topbar padding stuck at the expanded rail width. The collapsed
   rail width is redefined on .gs-main via the sibling selector block below. */

/* Sidebar — fixed to the left so it always stays in view while the
   page body scrolls. The flex-row layout below still works because
   .gs-main reserves space via margin-left equal to the sidebar width. */
aside#sidebar.gs-sidebar,
#sidebar.gs-sidebar {
    width: 260px;
    background-color: var(--gs-surface, #0f0f0f);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    height: 100dvh;
    overflow-y: auto;
    overflow-x: hidden;
    /* Slim neutral edge — brand accent lives inside NavMenu rails/dots. */
    border-right: 1px solid var(--gs-border, #2a2a2a);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    scrollbar-width: thin;
    scrollbar-color: var(--gs-border) var(--gs-dark-accent);
    z-index: 30;
}

.gs-sidebar::-webkit-scrollbar {
    width: 8px;
}

.gs-sidebar::-webkit-scrollbar-track {
    background: var(--gs-dark-accent);
}

.gs-sidebar::-webkit-scrollbar-thumb {
    background: var(--gs-border-light);
    border-radius: var(--gs-radius-sm);
}

.gs-sidebar::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--gs-text-muted) 55%, var(--gs-border-light));
}

aside#sidebar.gs-sidebar.gs-sidebar--collapsed,
#sidebar.gs-sidebar.gs-sidebar--collapsed {
    width: 72px;
    max-width: 72px;
    min-width: 72px;
    overflow: hidden;
}

.gs-sidebar-backdrop {
    display: none;
}

/* Main column: mobile = full width; desktop = margin tracks sidebar rail (collapse). */
.gs-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    margin-left: 0;
    width: 100%;
    background-color: var(--gs-bg, #1a1a1a);
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 1024px) {
    /* Sidebar paints above full-bleed topbar in the 0…rail band (logo strip). */
    .gs-sidebar {
        z-index: calc(var(--gs-z-fixed, 1030) + 1);
    }

    .gs-main {
        margin-left: var(--gs-sidebar-rail-width);
        width: auto;
    }

    #sidebar.gs-sidebar--collapsed ~ .gs-main,
    .gs-sidebar--collapsed ~ .gs-main {
        margin-left: 72px;
        /* Scoped rail width for this subtree — topbar reads the same token. */
        --gs-sidebar-rail-width: 72px;
    }
}

/* Top Bar - Pencil Design: 72px height, #0F0F0F bg, 2px bottom border */
.gs-topbar {
    height: 72px;
    background-color: var(--gs-surface, #0f0f0f);
    border-bottom: 2px solid var(--gs-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--gs-space-6);
    position: sticky;
    top: 0;
    z-index: var(--gs-z-fixed);
}

@media (min-width: 1024px) {
    /* .gs-main zaten margin-left ile sidebar boşluğunu ayırır; topbar'da rail tekrar
       eklenmesin (collapse butonu ~544px'e kayıyordu). */
    .gs-topbar {
        margin-left: 0;
        width: 100%;
        max-width: none;
        box-sizing: border-box;
        padding-left: var(--gs-space-4);
        padding-right: var(--gs-space-6);
    }
}

/* Left Section - Contains menu toggle */
.gs-topbar__left {
    display: flex;
    align-items: center;
    height: 100%;
    min-width: 48px;
}

/* Center Section - Contains title, centered */
.gs-topbar__center {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    flex: 1;
}

/* Title - Pencil Design: Space Grotesk, 14px, weight 700, letter-spacing 1px */
.gs-topbar__title {
    font-family: var(--gs-font-heading);
    font-size: var(--gs-text-base);
    font-weight: 700;
    color: var(--gs-text, #f5f5f0);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Right Section - Contains search and notification buttons */
.gs-topbar__right {
    display: flex;
    align-items: center;
    gap: var(--gs-space-2);
    height: 100%;
}

/* Icon Buttons - Pencil Design: 40x40px, #1A1A1A bg, 2px border #2A2A2A */
.gs-topbar__icon-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--gs-border, #2a2a2a);
    background-color: var(--gs-dark-accent, #1a1a1a);
    cursor: pointer;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        background-color var(--gs-transition-fast),
        border-color var(--gs-transition-fast),
        color var(--gs-transition-fast);
}

.gs-topbar__icon-btn svg,
.gs-topbar__icon-btn .icon {
    width: 20px;
    height: 20px;
    color: var(--gs-text, #f5f5f0);
}

.gs-topbar__icon-btn:hover {
    background-color: var(--gs-dark-muted, #2a2a2a);
    border-color: var(--gs-dark-subtle, #3d3d3d);
}

.gs-topbar__icon-btn:hover svg,
.gs-topbar__icon-btn:hover .icon {
    color: var(--gs-primary, #ffd600);
}

/* Dropdown Wrapper - positions dropdowns relative to button */
.gs-topbar__dropdown-wrapper {
    position: relative;
}

/* Notification Badge */
.gs-notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 var(--gs-space-1);
    font-family: var(--gs-font-heading);
    font-size: var(--gs-text-xs);
    font-weight: 700;
    line-height: 18px;
    text-align: center;
    color: var(--gs-text-inverse, #f5f5f0);
    background-color: var(--gs-danger, #ef4444);
    border-radius: var(--gs-radius-full);
}

/* Theme Toggle styling in header */
.gs-theme-toggle {
    width: 40px;
    height: 40px;
    border: 2px solid var(--gs-border, #2a2a2a);
    background-color: var(--gs-dark-accent, #1a1a1a);
    border-radius: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        background-color var(--gs-transition-fast),
        border-color var(--gs-transition-fast),
        color var(--gs-transition-fast);
}

.gs-theme-toggle:hover {
    background-color: var(--gs-dark-muted, #2a2a2a);
    border-color: var(--gs-dark-subtle, #3d3d3d);
}

.gs-theme-toggle:hover svg {
    color: var(--gs-primary, #ffd600);
}

/* Desktop Collapse Toggle */
.gs-topbar__collapse-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gs-border, #2a2a2a);
    background-color: var(--gs-dark-accent, #1a1a1a);
    color: var(--gs-text-muted, #888);
    cursor: pointer;
    border-radius: var(--gs-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        background-color var(--gs-transition-base),
        color var(--gs-transition-base);
}

.gs-topbar__collapse-btn:hover {
    background-color: var(--gs-dark-muted, #2a2a2a);
    color: var(--gs-primary, #ffd600);
}

.gs-topbar__collapse-icon {
    transition: transform 0.3s ease;
    transform: scaleX(-1);
}

.gs-sidebar--collapsed ~ .gs-main .gs-topbar__collapse-icon,
#sidebar.gs-sidebar--collapsed ~ .gs-main .gs-topbar__collapse-icon {
    transform: scaleX(1);
}

/* Menu Toggle */
.gs-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 2px solid var(--gs-border, #2a2a2a);
    background-color: var(--gs-dark-accent, #1a1a1a);
    color: var(--gs-text, #f5f5f0);
    cursor: pointer;
    border-radius: 0;
    align-items: center;
    justify-content: center;
    transition:
        background-color var(--gs-transition-fast),
        border-color var(--gs-transition-fast),
        color var(--gs-transition-fast);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.gs-menu-toggle svg,
.gs-menu-toggle .icon {
    width: 24px;
    height: 24px;
    color: var(--gs-text, #f5f5f0);
}

.gs-menu-toggle:hover {
    background-color: var(--gs-dark-muted, #2a2a2a);
    border-color: var(--gs-dark-subtle, #3d3d3d);
}

.gs-menu-toggle:hover svg,
.gs-menu-toggle:hover .icon {
    color: var(--gs-primary, #ffd600);
}

/* Content — padding + column layout; body handles scroll. */
.gs-content {
    flex: 1;
    padding: var(--gs-space-10);
    padding-bottom: calc(var(--gs-space-10) + env(safe-area-inset-bottom, 0px));
    background-color: var(--gs-bg, #1a1a1a);
    display: flex;
    flex-direction: column;
    gap: var(--gs-space-8);
    position: relative;
}

.gs-content::-webkit-scrollbar {
    width: 10px;
}

.gs-content::-webkit-scrollbar-track {
    background: var(--gs-dark-accent);
}

.gs-content::-webkit-scrollbar-thumb {
    background: var(--gs-border);
    border-radius: var(--gs-radius-sm);
    border: 2px solid var(--gs-dark-accent);
}

.gs-content::-webkit-scrollbar-thumb:hover {
    background: var(--gs-primary);
}

/* Error UI */
.gs-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem 1.25rem;
    background-color: var(--gs-danger);
    color: white;
    z-index: var(--gs-z-modal);
    align-items: center;
    gap: 1rem;
}

.gs-error-ui__reload {
    color: white;
    text-decoration: underline;
}

.gs-error-ui__dismiss {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.25rem;
}

/* Mobile + Tablet Drawer Mode (Phase 2D: extended to 1023.98px so iPad portrait
   gets the hamburger drawer instead of a permanent 260px sidebar) */
@media (max-width: 1023.98px) {
    .gs-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: 320px;
        max-width: 85vw;
        z-index: var(--gs-z-fixed);
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .gs-sidebar--collapsed {
        width: 320px;
    }

    .gs-sidebar--open {
        transform: translateX(0);
    }

    .gs-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background-color: rgba(0, 0, 0, 0.6);
        /* Refinement: subtle blur behind the drawer so the page recedes
           visually. Falls back to plain rgba on UAs without backdrop-filter. */
        -webkit-backdrop-filter: blur(2px);
        backdrop-filter: blur(2px);
        z-index: var(--gs-z-modal-backdrop);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    @supports not (backdrop-filter: blur(2px)) {
        .gs-sidebar-backdrop {
            background-color: rgba(0, 0, 0, 0.72);
        }
    }

    .gs-sidebar-backdrop--visible {
        opacity: 1;
        pointer-events: auto;
    }

    .gs-menu-toggle--mobile {
        display: flex;
    }

    .gs-topbar__collapse-btn {
        display: none;
    }
}

/* Mobile Responsive — phone-only tweaks (topbar shrink, content padding) */
@media (max-width: 767.98px) {
    .gs-sidebar {
        width: 280px;
    }

    .gs-sidebar--collapsed {
        width: 280px;
    }

    .gs-topbar {
        height: 64px;
        padding: 0 var(--gs-space-4);
    }

    .gs-topbar__title {
        font-size: var(--gs-text-sm);
        letter-spacing: 0.5px;
    }

    .gs-topbar__icon-btn {
        width: 44px;
        height: 44px;
    }

    .gs-topbar__icon-btn svg {
        width: 20px;
        height: 20px;
    }

    .gs-content {
        padding: var(--gs-space-3) var(--gs-space-2);
        padding-bottom: calc(
            var(--gs-space-3) + env(safe-area-inset-bottom, 20px)
        );
        gap: var(--gs-space-3);
    }
}

@media (max-width: 480px) {
    .gs-content {
        padding: var(--gs-space-2) 6px;
        padding-bottom: calc(
            var(--gs-space-2) + env(safe-area-inset-bottom, 20px)
        );
        gap: 10px;
    }

    .gs-topbar {
        height: 56px;
        padding: 0 var(--gs-space-3);
    }
}

/* Tablet — sidebar is in DRAWER mode here (see <=1023.98px block above);
   only adjust topbar height and content padding. Do not set sidebar width. */
@media (min-width: 768px) and (max-width: 1023.98px) {
    .gs-topbar {
        height: 64px;
        padding: 0 var(--gs-space-5);
    }

    .gs-content {
        padding: var(--gs-space-8) var(--gs-space-6);
        gap: 28px;
    }
}

/* Large Desktop */
@media (min-width: 1280px) {
    .gs-content {
        padding: var(--gs-space-10) var(--gs-space-12);
        gap: var(--gs-space-8);
    }
}

/* =========================================
   Light Theme - Corporate Layout Overrides
   ========================================= */

[data-theme="light"] .gs-layout {
    background-color: var(--gs-bg);
}

[data-theme="light"] .gs-sidebar {
    background-color: var(--gs-surface);
    border-right: 1px solid var(--gs-border);
    box-shadow: 1px 0 4px rgba(26, 50, 99, 0.04);
    scrollbar-color: var(--gs-info-border) var(--gs-info-bg);
}

[data-theme="light"] .gs-sidebar::-webkit-scrollbar-track {
    background: var(--gs-info-bg);
}

[data-theme="light"] .gs-sidebar::-webkit-scrollbar-thumb {
    background: var(--gs-info-border);
}

[data-theme="light"] .gs-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--gs-text-muted);
}

[data-theme="light"] .gs-main {
    background-color: var(--gs-bg);
}

[data-theme="light"] .gs-topbar {
    background-color: var(--gs-surface);
    border-bottom: 1px solid var(--gs-border);
    box-shadow: 0 1px 3px rgba(26, 50, 99, 0.04);
}

[data-theme="light"] .gs-topbar__title {
    color: var(--gs-text);
}

[data-theme="light"] .gs-topbar__icon-btn {
    background-color: var(--gs-dark-accent);
    border-color: var(--gs-border);
    color: var(--gs-text-muted);
}

[data-theme="light"] .gs-topbar__icon-btn svg,
[data-theme="light"] .gs-topbar__icon-btn .icon {
    color: var(--gs-text-muted);
}

[data-theme="light"] .gs-topbar__icon-btn:hover {
    background-color: var(--gs-info-bg);
    border-color: var(--gs-info-border);
}

[data-theme="light"] .gs-topbar__icon-btn:hover svg,
[data-theme="light"] .gs-topbar__icon-btn:hover .icon {
    color: var(--gs-text);
}

[data-theme="light"] .gs-topbar__collapse-btn {
    background-color: var(--gs-dark-accent);
    border-color: var(--gs-border);
    color: var(--gs-text-muted);
}

[data-theme="light"] .gs-topbar__collapse-btn:hover {
    background-color: var(--gs-info-bg);
    border-color: var(--gs-info-border);
    color: var(--gs-text);
}

[data-theme="light"] .gs-menu-toggle {
    background-color: var(--gs-surface);
    border-color: var(--gs-border);
    color: var(--gs-text-muted);
}

[data-theme="light"] .gs-menu-toggle svg,
[data-theme="light"] .gs-menu-toggle .icon {
    color: var(--gs-text-muted);
}

[data-theme="light"] .gs-menu-toggle:hover {
    background-color: var(--gs-info-bg);
    border-color: var(--gs-info-border);
}

[data-theme="light"] .gs-menu-toggle:hover svg,
[data-theme="light"] .gs-menu-toggle:hover .icon {
    color: var(--gs-text);
}

[data-theme="light"] .gs-content {
    background-color: var(--gs-bg);
    scrollbar-color: var(--gs-info-border) var(--gs-info-bg);
}

[data-theme="light"] .gs-content::-webkit-scrollbar-track {
    background: var(--gs-info-bg);
}

[data-theme="light"] .gs-content::-webkit-scrollbar-thumb {
    background: var(--gs-info-border);
}

[data-theme="light"] .gs-content::-webkit-scrollbar-thumb:hover {
    background: var(--gs-primary);
}

[data-theme="light"] .gs-theme-toggle {
    background-color: var(--gs-surface);
    border-color: var(--gs-border);
}

[data-theme="light"] .gs-theme-toggle:hover {
    background-color: var(--gs-info-bg);
    border-color: var(--gs-info-border);
}

[data-theme="light"] .gs-theme-toggle:hover svg {
    color: var(--gs-text);
}

[data-theme="light"] .gs-notification-badge {
    background-color: var(--gs-danger);
    color: var(--gs-text-inverse);
}

/* =========================================
   HOVER AFFORDANCE GUARD (touch-only)
   Neutralise hover-driven state changes for devices that cannot hover.
   Prevents persistent "stuck" hover styling after a tap.
   ========================================= */

@media (hover: none) {
    .gs-topbar__icon-btn:hover,
    .gs-topbar__collapse-btn:hover,
    .gs-menu-toggle:hover {
        background-color: var(--gs-dark-accent, #1a1a1a);
        border-color: var(--gs-border, #2a2a2a);
    }

    .gs-topbar__icon-btn:hover svg,
    .gs-topbar__icon-btn:hover .icon,
    .gs-topbar__collapse-btn:hover,
    .gs-menu-toggle:hover svg,
    .gs-menu-toggle:hover .icon {
        color: var(--gs-text, #f5f5f0);
    }

    .gs-theme-toggle:hover {
        background-color: var(--gs-dark-accent, #1a1a1a);
        border-color: var(--gs-border, #2a2a2a);
    }

    .gs-theme-toggle:hover svg {
        color: var(--gs-text-muted, #9a9a95);
    }
}