/* PAGE-TOOLS.CSS - Tools Page Layout & Tile List Styling */

@font-face {
    font-family: 'Aliceregular';
    src: url('../fonts/alice-fontfacekit/web%20fonts/alice_regular_macroman/Alice-Regular-webfont.woff2') format('woff2'),
         url('../fonts/alice-fontfacekit/web%20fonts/alice_regular_macroman/Alice-Regular-webfont.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --body-text-color: rgba(255, 255, 255, 0.72);
    --subtext-color: rgba(255, 255, 255, 0.45);
    --border-color: rgba(255, 255, 255, 0.12);
    --card-bg: rgba(18, 18, 20, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --item-bg: rgba(255, 255, 255, 0.03);
    --item-hover-bg: rgba(255, 255, 255, 0.07);
    --accent-color: #64b5f6;
    --accent-light: #91cfff;
    --accent-hover: #79c1f8;
    --accent-rgb: 100, 181, 246;
    --font-serif: 'Aliceregular', 'Alice', Georgia, serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="light"],
html.theme-light,
body.theme-light {
    --bg-color: #ffffff;
    --text-color: #111827;
    --body-text-color: #374151;
    --subtext-color: #6b7280;
    --border-color: rgba(0, 0, 0, 0.12);
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(0, 0, 0, 0.08);
    --item-bg: #f9fafb;
    --item-hover-bg: #f3f4f6;
}

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

html, body {
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Tools Page Container */
.tools-page-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    padding: clamp(3rem, 6vh, 5rem) 1.5rem 6rem 1.5rem;
    position: relative;
    z-index: 10;
}

/* Tools Card */
.tools-card {
    max-width: 760px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    opacity: 0;
    transform: translateY(12px);
    animation: fadeInContent 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.1s;
    position: relative;
    z-index: 10;
}

@keyframes fadeInContent {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Corner Navigation Text Buttons (Home) */
.corner-nav-btn {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 100px;
    font-family: 'Nunito', system-ui, -apple-system, sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--subtext-color);
    text-decoration: none;
    z-index: 100;
    user-select: none;
    pointer-events: auto;
    display: flex;
    align-items: flex-end;
    padding-bottom: 2.2rem;
    transition: color 0.25s ease;
}

/* Side frame panel that slides in/out from the viewport edge */
.corner-nav-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    height: 70vh;
    width: 100px;
    pointer-events: none;
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    background: #0f0f0f;
    z-index: -1;
}

.corner-nav-btn span {
    display: inline-block;
    transition: transform 0.25s ease;
    position: relative;
    z-index: 2;
}

.corner-nav-left {
    left: 0;
    padding-left: 1.5rem;
    justify-content: flex-start;
}

.corner-nav-left::before {
    left: 0;
    transform: translateY(-50%) translateX(-100%);
    border-radius: 0 36px 36px 0;
}

.corner-nav-left:hover {
    color: #ffffff;
}

.corner-nav-left:hover::before {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
}

.corner-nav-left:hover span {
    transform: translateX(-4px);
}

.corner-nav-right {
    right: 0;
    padding-right: 1.5rem;
    justify-content: flex-end;
}

.corner-nav-right::before {
    right: 0;
    transform: translateY(-50%) translateX(100%);
    border-radius: 36px 0 0 36px;
}

.corner-nav-right:hover {
    color: #ffffff;
}

.corner-nav-right:hover::before {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
}

.corner-nav-right:hover span {
    transform: translateX(4px);
}

/* Centered Hover Arrow Button */
.corner-arrow-circle {
    position: absolute;
    top: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #72767d;
    transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.25s ease,
                left 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                right 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    z-index: 10;
}

.corner-nav-left .corner-arrow-circle {
    left: 0;
    transform: translateY(-50%) translateX(-120%);
}

.corner-nav-left:hover .corner-arrow-circle {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
    left: 1.5rem;
}

.corner-nav-right .corner-arrow-circle {
    right: 0;
    transform: translateY(-50%) translateX(120%);
}

.corner-nav-right:hover .corner-arrow-circle {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
    right: 1.5rem;
}

.corner-nav-btn:hover .corner-arrow-circle {
    color: #bfc1c5;
}

@media (max-width: 768px) {
    .corner-nav-btn {
        display: none !important;
    }
}

/* Page Transition Animations */
body.is-transitioning-left,
body.is-transitioning-right {
    background-color: #000000 !important;
    overflow: hidden !important;
}

body[class*="is-transitioning-"] {
    pointer-events: none !important;
}

/* Left side panel zoom and center to fill screen */
body.is-transitioning-left .corner-nav-left::before {
    transform: translateY(-50%) translateX(calc(50vw - 50px)) scale(30) !important;
    border-radius: 0 !important;
    opacity: 1 !important;
    z-index: 99999 !important;
    transition: transform 0.8s cubic-bezier(0.45, 0, 0.55, 1),
                border-radius 0.8s cubic-bezier(0.45, 0, 0.55, 1),
                opacity 0.8s ease !important;
}

/* Right side panel zoom and center to fill screen */
body.is-transitioning-right .corner-nav-right::before {
    transform: translateY(-50%) translateX(calc(-50vw + 50px)) scale(30) !important;
    border-radius: 0 !important;
    opacity: 1 !important;
    z-index: 99999 !important;
    transition: transform 0.8s cubic-bezier(0.45, 0, 0.55, 1),
                border-radius 0.8s cubic-bezier(0.45, 0, 0.55, 1),
                opacity 0.8s ease !important;
}

/* Fade out main elements during transition */
body[class*="is-transitioning-"] .tools-page-container,
body[class*="is-transitioning-"] .corner-nav-btn span,
body[class*="is-transitioning-"] .corner-arrow-circle {
    opacity: 0 !important;
    transition: opacity 0.4s ease !important;
}

body.is-transitioning-left .corner-nav-left,
body.is-transitioning-right .corner-nav-right {
    z-index: 99999 !important;
}

/* Tools Header */
.tools-header-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tools-header {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5vw, 3.75rem);
    font-weight: 400;
    color: var(--text-color);
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.tools-subheader {
    font-size: clamp(0.95rem, 1.6vw, 1.08rem);
    line-height: 1.6;
    color: var(--body-text-color);
    font-weight: 300;
    letter-spacing: 0.01em;
}

/* Tools Tile List Container */
.tools-tile-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    width: 100%;
}

/* Binoculars Empty State (Strict Specification Match) */
.tools-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4.5rem 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.92rem;
    font-weight: 500;
    gap: 0.85rem;
    width: 100%;
}

.tools-empty-state__icon {
    color: rgba(255, 255, 255, 0.35);
    display: block;
}

.tools-empty-state__text {
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

/* Tool Tile Items (When JSON contains tools) */
.tool-tile-item {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    gap: 1.25rem;
    align-items: center;
    padding: 1.15rem 0.25rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    color: var(--text-color);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, padding 0.2s ease;
}

.tool-tile-item:last-child {
    border-bottom: none;
}

.tool-tile-item:hover,
.tool-tile-item:focus-visible {
    background: rgba(255, 255, 255, 0.04);
    padding-left: 0.6rem;
    padding-right: 0.6rem;
    border-radius: 8px;
    transform: none;
    box-shadow: none;
}

.tool-tile-item__thumb {
    width: 44px;
    height: 44px;
    aspect-ratio: 1 / 1;
    border-radius: 10px;
    overflow: hidden;
    background: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    flex-shrink: 0;
}

.tool-tile-item__thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    background: var(--accent-color);
}

.tool-tile-item__thumb-placeholder svg {
    color: #000000;
    stroke: #000000;
}

.tool-tile-item__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tool-tile-item__info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.tool-tile-item__header-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.tool-tile-item__title {
    font-size: 1.02rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.tool-tile-item:hover .tool-tile-item__title {
    color: var(--accent-primary);
}

.tool-tile-item__badge {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    background: rgba(var(--accent-rgb), 0.16);
    color: var(--accent-primary);
}

.tool-tile-item__category {
    font-size: 0.76rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--subtext-color);
}

.tool-tile-item__desc {
    font-size: 0.86rem;
    color: var(--body-text-color);
    line-height: 1.45;
    white-space: normal;
}

.tool-tile-item__action {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--subtext-color);
    transition: transform 0.2s ease, color 0.2s ease;
    padding-left: 0.5rem;
}

.tool-tile-item:hover .tool-tile-item__action {
    color: #ffffff;
    transform: translateX(3px);
}

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(30, 33, 40, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #ffffff;
    padding: 0.75rem 1.4rem;
    border-radius: 9999px;
    font-size: 0.86rem;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    white-space: nowrap;
}

.toast-notification.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .tools-page-container {
        padding: 2.5rem 1.25rem 6rem 1.25rem;
    }

    .tools-card {
        padding: 0;
    }

    .tool-tile-item {
        grid-template-columns: 60px 1fr auto;
        gap: 0.85rem;
        padding: 0.75rem 0.85rem;
    }
}

/* Light Theme Element Overrides */
[data-theme="light"] .corner-nav-btn::before,
html.theme-light .corner-nav-btn::before,
body.theme-light .corner-nav-btn::before {
    background: #f3f4f6;
}

[data-theme="light"] .corner-nav-btn,
html.theme-light .corner-nav-btn,
body.theme-light .corner-nav-btn {
    color: #6b7280;
}

[data-theme="light"] .corner-nav-right:hover,
html.theme-light .corner-nav-right:hover,
body.theme-light .corner-nav-right:hover {
    color: #111827;
}

[data-theme="light"] .corner-arrow-circle,
html.theme-light .corner-arrow-circle,
body.theme-light .corner-arrow-circle {
    color: #4b5563;
}

[data-theme="light"] .corner-nav-btn:hover .corner-arrow-circle,
html.theme-light .corner-nav-btn:hover .corner-arrow-circle,
body.theme-light .corner-nav-btn:hover .corner-arrow-circle {
    color: #111827;
}

[data-theme="light"] .tools-empty-state,
[data-theme="light"] .tools-empty-state__text,
html.theme-light .tools-empty-state,
html.theme-light .tools-empty-state__text,
body.theme-light .tools-empty-state,
body.theme-light .tools-empty-state__text {
    color: #6b7280;
}

[data-theme="light"] .tools-empty-state__icon,
html.theme-light .tools-empty-state__icon,
body.theme-light .tools-empty-state__icon {
    color: #9ca3af;
}

[data-theme="light"] .tool-tile-item,
html.theme-light .tool-tile-item,
body.theme-light .tool-tile-item {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    color: #111827;
    box-shadow: none;
}

[data-theme="light"] .tool-tile-item:hover,
[data-theme="light"] .tool-tile-item:focus-visible,
html.theme-light .tool-tile-item:hover,
html.theme-light .tool-tile-item:focus-visible,
body.theme-light .tool-tile-item:hover,
body.theme-light .tool-tile-item:focus-visible {
    background: rgba(0, 0, 0, 0.035);
    border: none;
    border-bottom: 1px solid var(--border-color);
    box-shadow: none;
    transform: none;
}

[data-theme="light"] .tool-tile-item__thumb,
html.theme-light .tool-tile-item__thumb,
body.theme-light .tool-tile-item__thumb {
    background: var(--accent-color);
    border: none;
}

[data-theme="light"] .tool-tile-item__thumb-placeholder,
html.theme-light .tool-tile-item__thumb-placeholder,
body.theme-light .tool-tile-item__thumb-placeholder {
    background: var(--accent-color);
    color: #000000;
}

[data-theme="light"] .tool-tile-item__thumb-placeholder svg,
html.theme-light .tool-tile-item__thumb-placeholder svg,
body.theme-light .tool-tile-item__thumb-placeholder svg {
    color: #000000;
    stroke: #000000;
}

[data-theme="light"] .tool-tile-item__title,
html.theme-light .tool-tile-item__title,
body.theme-light .tool-tile-item__title {
    color: #111827;
}

[data-theme="light"] .tool-tile-item__action,
html.theme-light .tool-tile-item__action,
body.theme-light .tool-tile-item__action {
    color: #6b7280;
}

[data-theme="light"] .tool-tile-item:hover .tool-tile-item__action,
html.theme-light .tool-tile-item:hover .tool-tile-item__action,
body.theme-light .tool-tile-item:hover .tool-tile-item__action {
    color: #111827;
}

[data-theme="light"] .toast-notification,
html.theme-light .toast-notification,
body.theme-light .toast-notification {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: #111827;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.10);
}