/*
 * style.css
 * © 2025 TeacherToybox.com. All Rights Reserved.
 *
 * This stylesheet is the intellectual property of TeacherToybox.com.
 */
:root {
    --accent-color: #3862C4;
    --accent-color-rgb: 56, 142, 255;
    --accent-hover: #58a6ff;
    --bg-color: #1c1c1e;
    --sidebar-bg: #2c2c2e;
    --window-bg: rgba(44, 44, 46, 0.9);
    --border-color: rgba(88, 88, 91, 0.5);
    --text-primary: #f2f2f7;
    --text-secondary: #aeb0b4;
    --danger-color: #ff453a;
    --success-color: #28a745;
    --success-hover: #218838;
    --sidebar-width: clamp(50px, 5vw, 80px);
    --btn-size: 50px;
    --dragbar-height: 32px;
    --theme-icon-light: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3e%3cpath fill='%233862C4' d='M12 17a5 5 0 100-10 5 5 0 000 10zm0-12a1 1 0 011 1v2a1 1 0 11-2 0V6a1 1 0 011-1zm0 14a1 1 0 011 1v2a1 1 0 11-2 0v-2a1 1 0 011-1zM4.929 4.929a1 1 0 011.414 0l1.414 1.414a1 1 0 11-1.414 1.414L4.929 6.343a1 1 0 010-1.414zm14.142 14.142a1 1 0 011.414 0l1.414 1.414a1 1 0 01-1.414 1.414l-1.414-1.414a1 1 0 010-1.414zM1 12a1 1 0 011-1h2a1 1 0 110 2H2a1 1 0 01-1-1zm20 0a1 1 0 011-1h2a1 1 0 110 2h-2a1 1 0 01-1-1zM4.929 19.071a1 1 0 010-1.414l1.414-1.414a1 1 0 111.414 1.414l-1.414 1.414a1 1 0 01-1.414 0zm14.142-14.142a1 1 0 010-1.414l1.414-1.414a1 1 0 111.414 1.414l-1.414 1.414a1 1 0 01-1.414 0z'/%3e%3c/svg%3e");
}
*, *::before, *::after { box-sizing: border-box; }
body {
    margin: 0;
    height: 100vh;
    overflow: hidden;
    background-color: var(--bg-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3e%3cpath d='M 20 0 L 0 0 0 20' fill='none' stroke='rgba(255,255,255,0.05)' stroke-width='1'/%3e%3c/svg%3e");
    font-family: 'Inter', sans-serif;
    position: relative;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
body.no-grid {
    background-image: none;
}
body.light-mode.no-grid {
    background-image: none;
}
#site-title {
    position: absolute;
    top: 15px;
    left: 20px;
    z-index: 1;
    pointer-events: none;
    display: flex;
    flex-direction: column;
}
.title-line {
    display: flex;
    align-items: center;
    gap: 12px;
}
.title-line span {
    font-size: 28px;
    font-weight: 500;
    color: var(--text-primary);
    text-shadow: 0 1px 4px rgba(0,0,0,0.7);
}
#site-logo-desktop {
    height: 72px;
    position: relative;
    top: 2mm;
}
#site-subtitle {
    font-size: 14px;
    opacity: 0.8;
    color: var(--text-primary);
    text-shadow: 0 1px 4px rgba(0,0,0,0.7);
    padding-left: calc(84px + 1mm);
    margin-top: -5mm;
}
#sidebar {
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-left: 1px solid var(--border-color);
    z-index: 1999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 15px 0;
    gap: 15px;
}
#sidebar-main-controls {
    width: 100%;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    gap: 5mm;
    min-height: 0;
}
.btn {
    position: relative;
    width: var(--btn-size);
    height: var(--btn-size);
    background-color: var(--accent-color);
    border: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
    z-index: 2000;
    font-size: calc(var(--btn-size) * 0.45);
    font-weight: 500;
    transition: background-color 0.4s ease, transform 0.1s ease, border-color 0.2s ease;
}
.btn:hover { background-color: var(--accent-hover); }
.btn:active { transform: scale(0.95); }
#laserButton.active { background: var(--danger-color); }

/* New Clock Styles */
#clockButton {
    background-color: transparent;
    border: 2px solid var(--border-color);
}
#clockButton:hover {
    border-color: var(--accent-color);
}
#clockButton.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}
.analog-clock {
    width: 80%;
    height: 80%;
}
.clock-face {
    stroke: var(--border-color);
    stroke-width: 4;
    fill: black;
}
.hour-hand, .minute-hand, .second-hand {
    stroke: white;
    stroke-linecap: round;
    transform-origin: center;
    transition: transform 0.5s cubic-bezier(0.4, 1.3, 0.6, 1);
}
.hour-hand { stroke-width: 6; }
.minute-hand { stroke-width: 4; }
.second-hand { stroke-width: 2; stroke: var(--danger-color); }
.hand-cap { fill: white; stroke: none; }

#clockButton .static-icon { display: none; }
#clockButton .analog-clock { display: block; }

#clockButton.active .static-icon { display: block; }
#clockButton.active .analog-clock { display: none; }

#digital-clock-bar {
    position: fixed;
    top: 0;
    right: 0;
    transform: translateX(100%);
    width: auto;
    padding: 8px 16px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: 12px 0 0 12px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.2);
    font-family: 'monospace';
    font-size: calc(var(--btn-size) * 0.45);
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    z-index: 1998;
    transition: transform 0.5s ease-in-out, width 0.3s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}
#digital-clock-bar.open {
    transform: translateX(calc(var(--sidebar-width) * -1));
    width: calc(5 * var(--btn-size) + 48px);
}

.hotkey-label {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 4px);
    font-size: 10px;
    color: var(--text-secondary);
    background: rgba(192,192,192,0.3);
    padding: 1px 4px;
    border-radius: 4px;
    display: none;
}
#refreshButton {
    background-color: var(--success-color);
}
#refreshButton:hover {
    background-color: var(--success-hover);
}

#extra-tools-container,
#layout-tools-container {
    position: relative;
}

#extra-tools-bar,
#layout-bar {
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(20px);
    width: auto;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-right: none;
    padding: 8px;
    margin-right: 8px;
    border-radius: 8px 0 0 8px;
    display: flex;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 2001;
}

#extra-tools-bar.open,
#layout-bar.open {
    transform: translateY(-50%) translateX(0);
    opacity: 1;
    pointer-events: auto;
}

#extra-tools-bar .btn,
#layout-bar .btn {
    flex-shrink: 0;
}

.floating {
    position: absolute;
    background: var(--window-bg);
    backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: opacity 0.4s ease-in-out;
}
.floating.active-window {
    border: 2px solid var(--accent-color);
    z-index: 1001;
}
.floating.hidden {
    opacity: 0;
    pointer-events: none;
}
.drag-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.2);
    cursor: move;
    height: var(--dragbar-height);
    padding: 0 4px 0 4px;
    flex-shrink: 0;
}
.resize-btn, .close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    width: 28px; height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.resize-btn:hover, .close-btn:hover { background: rgba(255,255,255,0.1); }
.close-btn:hover { background: var(--danger-color); color: white; }
.win-body {
    display: flex;
    flex-direction: row;
    height: calc(100% - 32px);
    flex-grow: 1;
}
.win-main-area {
    flex-grow: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: auto;
    padding: 16px;
}
.win-sidebar {
    width: 40px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
    background: rgba(0, 0, 0, 0.2);
    border-left: 1px solid var(--border-color);
    justify-content: space-evenly;
}
.win-sidebar .icon-btn {
    width: 22px;
    height: 22px;
    font-size: 10px;
    border-radius: 5px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.win-sidebar .reset-content-btn {
    background-color: var(--success-color);
}
.win-sidebar .reset-content-btn:hover {
    background-color: var(--success-hover);
}
.icon-btn {
    position: relative;
    width: 60px; height: 60px;
    background: var(--accent-color);
    border: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: background-color 0.4s ease, transform 0.1s ease;
}
.icon-btn:hover { background-color: var(--accent-hover); }
.icon-btn:active { transform: scale(0.95); }
.overlay-number {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 25vh;
    color: var(--accent-color);
    opacity: 1;
    z-index: 3000;
    transition: opacity 2s ease-out, transform 2s ease-out, color 0.4s ease;
    text-shadow: 0 0 20px rgba(0,0,0,0.5);
}
#laserDot {
    position: absolute;
    width: 20px; height: 20px;
    background: radial-gradient(circle, white, transparent);
    border: 2px solid var(--danger-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 2001;
    transform-origin: center center;
    transition: transform 0.05s ease-out;
    box-shadow: 0 0 15px var(--danger-color), inset 0 0 5px var(--danger-color);
}
.content-fill {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}
.content-fill > img,
.content-fill > video,
.content-fill > audio,
.content-fill > iframe,
.content-fill > canvas {
    width: 100%;
    height: 100%;
    display: block;
    border: none;
}
div[contenteditable] {
    flex: 1; width: 100%; padding: 16px; font-size: 18px; color: var(--text-primary);
    background: transparent; outline: none; caret-color: var(--accent-color);
}
.tool-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
}
.tool-controls button, .tool-controls .color-swatch {
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--text-secondary);
    width: 24px;
    height: 24px;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.tool-controls button:hover { background: rgba(255,255,255,0.2); }
.tool-controls .color-swatch {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
}
.tool-controls .color-swatch.active {
    border-color: white;
}
.tool-controls .pen-btn.active {
    background-color: var(--accent-color);
    color: white;
}

.tool-controls .custom-color-palette {
    position: absolute;
    top: 110%;
    left: 0;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    z-index: 1002;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.tool-controls .custom-color-palette.hidden {
    display: none;
}

.tool-controls .custom-color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.1s ease, border 0.2s ease;
    border: 2px solid transparent;
}

.tool-controls .custom-color-swatch:hover {
    transform: scale(1.15);
    border: 2px solid white;
}

.window-management-controls {
    display: flex;
    align-items: center;
    gap: 2px;
}

#feedbackButton {
  background-color: #fdd835; /* Match coffee button */
  color: black; /* Black icon */
}
#feedbackButton:hover {
  background-color: #ffee58; /* Lighter yellow hover */
}

.buyme-button {
    background-color: #fdd835;
    color: black;
}
.buyme-button:hover {
    background-color: #ffee58;
}
canvas {
    -webkit-user-drag: none;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}
.blur-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 20000;
    opacity: 1;
    transition: opacity 0.5s ease;
}
footer {
    position: fixed;
    bottom: 8px;
    left: 12px;
    z-index: 1;
    transition: z-index 0.5s step-end;
}
footer p {
    margin: 0;
    color: var(--text-secondary);
    opacity: 0.5;
    font-size: 12px;
    font-weight: 500;
}
.for-against-panel {
    width: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    color: white;
    text-align: center;
    border: 10px solid rgba(255, 255, 255, 0.2);
}
.for-against-panel h2 {
    margin: 0;
    font-weight: 500;
    opacity: 0.8;
}
.for-against-display {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}
.for-against-controls {
    display: flex;
}
.for-against-controls button {
    border-radius: 50%;
    border: none;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.1s ease;
}
.for-against-controls button:hover {
    background-color: rgba(255, 255, 255, 0.3);
}
.for-against-controls button:active {
    transform: scale(0.95);
}
.drop-zone {
    width: 90%;
    height: 90%;
    max-width: 400px;
    max-height: 250px;
    border: 3px dashed var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-secondary);
    transition: all 0.2s ease-in-out;
    pointer-events: none;
    padding: 16px;
}
.drop-zone-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.drop-zone-icon {
    font-size: clamp(32px, 5vw, 48px);
}
.drop-zone-file-types {
    display: flex;
    gap: 16px;
    font-size: clamp(18px, 2.5vw, 22px);
    opacity: 0.7;
}
body.is-dragging .drop-zone {
    transform: scale(1.05);
    border-color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.1);
    color: var(--accent-hover);
}
.draw-controls-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.25);
    flex-shrink: 0;
    height: 38px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.draw-controls-bar button, 
.draw-controls-bar .color-swatch,
.draw-controls-bar input[type="range"] {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-secondary);
    width: 24px;
    height: 24px;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}
.draw-controls-bar button:hover {
    background: rgba(255, 255, 255, 0.2);
}
.draw-controls-bar .color-swatch {
    border: 2px solid transparent;
}
.draw-controls-bar .color-swatch.active {
    border-color: white;
}
.draw-buttons-bar input[type="range"] {
    height: 10px;
    padding: 0;
}
.floating[data-tool="draw"] .win-body {
    height: calc(100% - var(--dragbar-height) - 38px);
}
.opacity-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 50px; /* Halved from 100px */
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    outline: none;
    cursor: pointer;
    margin-left: auto;
    margin-right: 8px;
}
.opacity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--text-primary);
    border-radius: 50%;
    border: 2px solid var(--sidebar-bg);
}
.opacity-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--text-primary);
    border-radius: 50%;
    border: 2px solid var(--sidebar-bg);
}

.win-sidebar .icon-btn:hover {
    transform: scale(1.2);
    z-index: 10;
}

.win-sidebar .icon-btn .tooltip {
    position: absolute;
    right: 110%;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--sidebar-bg);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease 0.1s;
    z-index: 99;
}

.win-sidebar .icon-btn:hover .tooltip {
    opacity: 1;
    transition-delay: 0.3s;
}

.floating.snapped-window {
    border: 2px solid #FFC300;
}

#date-display {
    position: absolute;
    top: 20px;
    right: calc(var(--sidebar-width) + 20px);
    left: auto;
    color: var(--text-secondary);
    font-size: 18px;
    font-weight: 500;
    z-index: 100;
    pointer-events: auto;
    cursor: pointer;
    transform: translate(0, 0);
    transition: all 0.4s ease-in-out;
}

#date-display.date-enlarged {
    top: 50%;
    left: 0;
    width: 100%;
    text-align: center;
    transform: translateY(-50%);
    font-size: clamp(32px, 8vw, 96px);
    color: var(--text-primary);
    z-index: 20003;
    text-shadow: 0 5px 25px rgba(0,0,0,0.5);
    white-space: nowrap;
}

.date-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 20002;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.win-sidebar .upload-btn {
    background-color: #fdd835; /* Yellow */
    color: black;
}
.win-sidebar .upload-btn:hover {
    background-color: #ffee58; /* Lighter yellow */
}

/* --- Carousel Tool Styles --- */
.carousel-container {
    flex-grow: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    width: 100%;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: none; /* Hidden by default */
}

.carousel-placeholder {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.25);
    flex-shrink: 0;
    width: 100%;
}

.carousel-btn {
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.carousel-btn:hover:not(:disabled) {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.carousel-btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* --- Annotation Tool Styles --- */
.annotation-canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    cursor: crosshair;
    touch-action: none;
}

/* --- Tablet Edition Button Styling --- */
#tabletLinkButton {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    text-align: center;
    text-decoration: none;
    line-height: 1;
    font-weight: 500;
    padding: 0 2px;
    border-radius: 8px;
    width: 90% !important;
    height: var(--btn-size) !important;
    font-size: 11px !important;

    /* Matching mobile.html's .desktop-btn */
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

#tabletLinkButton:hover {
    background-color: var(--accent-color);
    color: var(--text-primary);
    border-color: var(--accent-color);
}

/* --- Calculator Tool Styles --- */
.calculator-grid {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #222;
    font-family: 'monospace';
}
.calculator-display {
    flex: 0 0 auto;
    padding: 10px;
    background-color: #1a1a1a;
    text-align: right;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}
#calc-expression {
    min-height: 20px;
    color: var(--text-secondary);
    word-break: break-all;
    font-size: 24px;
}
#calc-input {
    min-height: 36px;
    font-weight: 700;
    word-break: break-all;
    font-size: 48px;
}
.calculator-buttons {
    flex-grow: 1;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(6, 1fr);
    gap: 1px;
    background-color: var(--border-color);
}
.calc-btn {
    background-color: var(--sidebar-bg);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.65rem;
}
.calc-btn:hover {
    background-color: var(--window-bg);
}
.calc-btn.operator {
    background-color: #3a3a3c;
}
.calc-btn.function {
    background-color: #4a4a4c;
    font-size: 1.5rem;
}
.calc-btn.equals {
    background-color: var(--accent-color);
    grid-row: span 2;
}
.calc-btn.equals:hover {
    background-color: var(--accent-hover);
}
.calc-btn.ac {
    background-color: var(--danger-color);
}

/* --- Splash Screen Styles --- */
#splash-screen {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background-color: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.5s ease;
}
#splash-screen img {
  height: 110px; /* ~Facebook splash logo size */
  width: auto;
}

/* Demo video modal */
.demo-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 20000;
}
.demo-modal {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 75vw;
  height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20001;
}
.demo-modal video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

/* --- Share Modal Styles --- */
.share-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 25000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.share-modal {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 500px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    z-index: 25001;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    color: var(--text-primary);
}

.share-modal h3 {
    margin: 0 0 8px;
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.share-modal .share-intro-text {
    text-align: center;
    margin: 0 0 24px;
    color: var(--text-secondary);
}

.share-modal .close-modal-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 5px;
}
.share-modal .close-modal-btn:hover {
    color: var(--text-primary);
}

.share-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.share-grid-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 6px;
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: opacity 0.2s;
}
.share-grid-btn:hover {
    opacity: 0.85;
}
.share-grid-btn .fab, .share-grid-btn .fas {
    font-size: 1.2em;
}

/* Social Media Colors */
.share-grid-btn.facebook { background-color: #1877F2; }
.share-grid-btn.twitter { background-color: #1DA1F2; }
.share-grid-btn.linkedin { background-color: #0A66C2; }
.share-grid-btn.whatsapp { background-color: #25D366; }
.share-grid-btn.reddit { background-color: #FF4500; }
.share-grid-btn.email { background-color: #777; }


.copy-link-heading {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 8px;
}

.copy-link-area {
    display: flex;
    gap: 8px;
}
.copy-link-area input {
    flex-grow: 1;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 8px 12px;
    font-family: 'monospace';
}
.copy-link-area button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}
.copy-link-area button:hover {
    background-color: var(--accent-hover);
}

/* --- CLEANED UP AND CORRECTED STYLES --- */
#lang-picker-wrap {
    position: fixed !important; /* Position in the bottom right */
    bottom: 20px !important;
    right: calc(var(--sidebar-width) + 10px) !important;
    margin: 0 !important;
    z-index: 3000 !important;
    display: flex;
    gap: 8px;
    align-items: center;
}

#langSelect {
    font-family: inherit;
    background: var(--sidebar-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    line-height: 1.1 !important;
    padding: 2px 6px !important;
    font-size: 0.8em !important;
    height: auto !important;
    min-height: 0 !important;
    width: 90px !important;
    min-width: 70px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Allow clicking on the site title area */
#site-title {
    pointer-events: auto;
}

/* --- Light Mode Theme --- */
body.light-mode {
    --bg-color: #f0f2f5;
    --sidebar-bg: #ffffff;
    --window-bg: rgba(255, 255, 255, 0.85);
    --border-color: rgba(0, 0, 0, 0.15);
    --text-primary: #1d1d1f;
    --text-secondary: #5f6368;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3e%3cpath d='M 20 0 L 0 0 0 20' fill='none' stroke='rgba(0,0,0,0.04)' stroke-width='1'/%3e%3c/svg%3e");
}

/* --- Component Adjustments for Light Mode --- */
body.light-mode #site-title .title-line span,
body.light-mode #site-subtitle {
    text-shadow: none;
}
body.light-mode .floating {
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}
body.light-mode .clock-face { fill: #fdfdfd; stroke: var(--text-primary); }
body.light-mode .hour-hand,
body.light-mode .minute-hand,
body.light-mode .hand-cap { stroke: var(--text-primary); fill: var(--text-primary); }

/* --- Theme Switch Styles --- */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 0;
}
.theme-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
}
.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider.round {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #4a4a4c;
    transition: .4s;
    border-radius: 22px;
}
.slider.round:before {
    position: absolute;
    content: '';
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: .4s;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3e%3cpath fill='%232c2c2e' d='M12 .587l3.668 7.568 8.332 1.151-6.064 5.828 1.48 8.279L12 19.449l-7.416 4.014 1.48-8.279-6.064-5.828 8.332-1.151z'/%3e%3c/svg%3e");
    background-size: 10px 10px;
    background-repeat: no-repeat;
    background-position: center;
}
input:checked + .slider.round {
    background-color: var(--accent-color);
}
input:checked + .slider.round:before {
    transform: translateX(18px);
    background-image: var(--theme-icon-light);
}
body.light-mode .slider.round {
    background-color: #ccc;
}
body.light-mode input:checked + .slider.round {
    background-color: var(--accent-color);
}

/* --- Light Mode UI Text & Icon Color Fix --- */
body.light-mode #sidebar-main-controls .btn {
    color: #ffffff;
}
body.light-mode #langSelect {
    background-color: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
}
body.light-mode #feedbackButton,
body.light-mode .buyme-button {
    color: #000000;
}
body.light-mode #tabletLinkButton {
    color: var(--text-secondary);
}
body.light-mode #tabletLinkButton:hover {
    color: #ffffff;
}
body.light-mode .opacity-slider {
    background: #d3d3d3;
}
body.light-mode .opacity-slider::-webkit-slider-thumb {
    border-color: #ffffff;
}
body.light-mode .opacity-slider::-moz-range-thumb {
    border-color: #ffffff;
}

/* --- Consistent Light Mode Window Skin --- */
body.light-mode .drag-bar,
body.light-mode .win-sidebar {
    background: #f0f2f5;
}
body.light-mode .drag-bar {
    border-bottom: 1px solid var(--border-color);
}
body.light-mode [data-tool="draw"] .content-fill,
body.light-mode .carousel-container {
    background: #ffffff !important;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin: 12px;
    width: calc(100% - 24px);
    height: calc(100% - 24px);
    box-sizing: border-box;
}
body.light-mode .stopwatch-display,
body.light-mode .floating[class*="timer-is-running"] .win-main-area > div > div[style] {
    color: var(--text-primary) !important;
}
body.light-mode .calculator-grid {
    background: #f0f2f5;
}
body.light-mode .calculator-display {
    background-color: #ffffff;
    color: var(--text-primary);
}
body.light-mode #calc-expression {
    color: var(--text-secondary);
}
body.light-mode .calculator-buttons {
    background-color: #e0e2e7;
}
body.light-mode .calc-btn {
    background-color: #f7f8fa;
}
body.light-mode .calc-btn:hover {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
}
body.light-mode .calc-btn.operator,
body.light-mode .calc-btn.function {
    background-color: #f0f2f5;
}
body.light-mode .calc-btn.equals,
body.light-mode .calc-btn.ac {
    background-color: var(--accent-color);
    color: white;
}
body.light-mode .calc-btn.equals:hover,
body.light-mode .calc-btn.ac:hover {
    background-color: var(--accent-hover);
}
body.light-mode .die {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

/* --- Animation Keyframes --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* --- Tool-Specific UI Adjustments --- */
.floating[data-tool="draw"] .drag-bar .tool-controls {
    display: none;
}
.floating[data-tool="draw"] .drag-bar {
    justify-content: flex-end;
}