* {
    box-sizing: border-box;
}

html {
    overflow: hidden;
}

body {
    margin: 0;
    background-color: var(--panel);
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

:root {
    --vivid-amber: #FCB62F;
    --pumpkin: #F27238;
    --red-carpet: #C32327;
    --tawny: #D56A25;
    --galaxea: #232F64;
    --surfie-green: #0B7978;
    --blue: #222c89;
    
    --cream: #f0d5c6;
    --cream-light: #fae6d5;
    --cream-dark: #dde3e0;
    --panel: #f9e6b2;


    --electric-blue: #007bff;
    --electric-blue-rgb: 0, 123, 255;
    --black: #000000;
    --black-rgb: 0, 0, 0;
    --white: #ffffff;
    --red: #ff0000;
    --red-rgb: 255, 0, 0;
    --gray-20: #333;
    --gray-20-rgb: 51, 51, 51;
    --light-gray: #ccd2d8;
    --light-gray-rgb: 204, 210, 216;

/* The system below is designed around your four ranges:

    0–480px — smartphones
    481–768px — tablets / large smartphones
    769–1279px — laptops / small desktops
    1280px+ — large desktops */

/*  Paragraph sizes */

    --p-small: clamp(0.75rem, 0.70rem + 0.20vw, 0.95rem);
    --p-medium: clamp(1rem, 0.90rem + 0.35vw, 1.20rem);
    --p-large: clamp(1.15rem, 1rem + 0.60vw, 1.45rem);

/* Headings */

    --h6: clamp(0.95rem, 0.85rem + 0.35vw, 1.15rem);
    --h5: clamp(1.10rem, 0.95rem + 0.55vw, 1.40rem);
    --h4: clamp(1.25rem, 1rem + 0.80vw, 1.75rem);
    --h3: clamp(1.45rem, 1.10rem + 1.10vw, 2.10rem);
    --h2: clamp(1.75rem, 1.20rem + 1.80vw, 2.75rem);
    --h1: clamp(2rem, 1.25rem + 2.50vw, 3.75rem);

.background-red-carpet {
    background-color: var(--red-carpet);
}
.background-pumpkin {
    background-color: var(--pumpkin);
}
.background-surfie-green {
    background-color: var(--surfie-green);
}
}

body {
    font-size: var(--p-medium);
    font-family: poppins, sans-serif;
}

p {
    font-size: var(--p-medium);
    font-family: poppins, sans-serif;
}

.p-small {
    font-size: var(--p-small);
}

.p-medium {
    font-size: var(--p-medium);
}

.p-large {
    font-size: var(--p-large);
}

h1, h2, h3, h4, h5, h6 {
    font-family: museomoderno, sans-serif;
}

h1 {
    font-size: var(--h1);
}

h2 {
    font-size: var(--h2);
}

h3 {
    font-size: var(--h3);
}

h4 {
    font-size: var(--h4);
}

h5 {
    font-size: var(--h5);
}

h6 {
    font-size: var(--h6);
}

#logo {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
}

/* Status panel */

#status-panel {
    display: flex;
    position: fixed;
    top: 20px;
    right: 20px;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(var(--black-rgb), 0.15);
    border-radius: 8px;
    background: var(--white);
    padding: 12px;
}

#status-panel table {
    margin: 0;
    border-collapse: collapse;
    font-weight: 300;
    font-size: 12px;
    font-family: poppins, sans-serif;
}

#status-panel td {
    padding: 4px 8px;
}


#user-count {
    margin: 0;
    color: var(--gray-20);
    text-align: right;
}

#shape-count {
    margin: 0;
    color: var(--gray-20);
    text-align: right;
}

/* Controls panel */

#controls {
    display: flex;
    position: fixed;
    top: auto;
    right: auto;
    bottom: 12px;
    left: 50%;
    flex-direction: column;
    transform: translateX(-50%);
    z-index: 1000;
    transition: transform 300ms ease;
    box-sizing: border-box;
    margin: 0 auto;
    box-shadow: 0 4px 12px rgba(var(--black-rgb), 0.15);
    border-radius: 8px;
    background: var(--white);
    padding: 8px;
    width: min(448px, calc(100vw - 24px));
    max-height: calc(100vh - 24px);
    overflow-y: auto;
}

#controls.controls-hidden {
    transform: translate(-50%, calc(100% - 28px)) !important;
}

#canvas-tools {
    display: flex;
    align-items: center;
    align-self: flex-start;
    gap: 5px;
    margin-bottom: 8px;
}

#canvas-tools button {
    display: grid;
    place-items: center;
    cursor: pointer;
    border: 0;
    border-radius: 5px;
    background: var(--cream-dark);
    padding: 0;
    width: 30px;
    height: 28px;
    color: var(--gray-20);
    line-height: 1;
}

#canvas-tools #controls-toggle {
    background: var(--electric-blue);
    width: 36px;
    color: var(--white);
}

#zoom-100 {
    color: var(--gray-20);
    font-size: 11px;
}


#zoom-level {
    min-width: 42px;
    color: var(--gray-20);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    text-align: center;
}

#canvas-tools button:hover,
#canvas-tools button:focus-visible {
    outline: 2px solid var(--electric-blue);
    outline-offset: 1px;
}

#controls.controls-hidden #controls-toggle span {
    display: inline-block;
    transform: rotate(180deg);
}

#controls p {
    margin: 0;
    color: white;
    font-weight: 600;
    font-size: 12px;
    font-family: museomoderno, sans-serif;
    /* line-height: 0.5; */
    text-align: center;
}

.step-banner {
    border-radius: 4px 4px 0 0;
    background: var(--black);
    padding: 2px;
    width: 100%;
}

#shape-palette {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: 8px;
    border-radius: 0 0 4px 4px;
    background-color: var(--cream);
    padding: 8px 0 8px 0;
}

.shape-choice {
    display: flex;
    position: relative;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    cursor: pointer;
    border-radius: 4px;
    background: var(--cream);
    padding: 0px;
    width: 72px;
    height: 48px;
    color: var(--gray-20);
    font-weight: 300;
    font-size: 9px;
    font-family: poppins, sans-serif;
}

.shape-choice::before {
    display: block;
    margin-bottom: 4px;
    background: var(--choice-color, #555);
    width: 28px;
    height: 28px;
    content: '';
}

.shape-choice[data-shape='large-triangle']::before,
.shape-choice[data-shape='medium-triangle']::before,
.shape-choice[data-shape='small-triangle']::before {
    clip-path: polygon(0 0, 100% 100%, 0 100%);
}

.shape-choice[data-shape='parallelogram']::before {
    transform: skewX(-45deg);
}

.shape-choice[data-shape='large-triangle']::before {
    width: 34px;
    height: 34px;
}

.shape-choice[data-shape='medium-triangle']::before {
    width: 28px;
    height: 28px;
}

.shape-choice[data-shape='small-triangle']::before {
    width: 20px;
    height: 20px;
}

.shape-choice.pattern-dots::before { background-image: radial-gradient(rgba(255, 255, 255, 0.65) 1.5px, transparent 1.6px); background-size: 7px 7px; }
.shape-choice.pattern-stripes::before { background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px 7px); }
.shape-choice.pattern-diagonal-stripes::before { background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px 7px); }
.shape-choice.pattern-crosshatch::before { background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.45) 0 1px, transparent 1px 6px), repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.45) 0 1px, transparent 1px 6px); }
.shape-choice.pattern-grid::before { background-image: linear-gradient(rgba(255, 255, 255, 0.45) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px); background-size: 7px 7px; }
.shape-choice.pattern-checkerboard::before { background-image: conic-gradient(rgba(255, 255, 255, 0.45) 25%, transparent 0 50%, rgba(255, 255, 255, 0.45) 0 75%, transparent 0); background-size: 10px 10px; }
.shape-choice.pattern-zigzag::before { background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px 6px); }
.shape-choice.pattern-waves::before { background-image: repeating-radial-gradient(ellipse at 50% 100%, transparent 0 4px, rgba(255, 255, 255, 0.5) 4px 5px); }
.shape-choice.pattern-diamonds::before { background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.45) 25%, transparent 25%), linear-gradient(-45deg, rgba(255, 255, 255, 0.45) 25%, transparent 25%); background-size: 10px 10px; }
.shape-choice.pattern-triangles::before { background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 25%, transparent 25%), linear-gradient(225deg, rgba(255, 255, 255, 0.5) 25%, transparent 25%); background-size: 10px 10px; }
.shape-choice.pattern-bricks::before { background-image: linear-gradient(rgba(255, 255, 255, 0.45) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px); background-size: 12px 6px, 6px 12px; }
.shape-choice.pattern-noise::before { background-image: radial-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px), radial-gradient(rgba(0, 0, 0, 0.25) 1px, transparent 1px); background-position: 0 0, 3px 3px; background-size: 5px 5px; }

.shape-choice:hover,
.shape-choice.selected,
.shape-choice:focus-visible {
    outline: 2px solid var(--electric-blue);
    outline-offset: 1px;
    border-color: var(--electric-blue);
}

#color-palette {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: 8px;
    border-radius: 0 0 4px 4px;
    background-color: var(--cream-light);
    padding: 8px 0 8px 0;
}

.color-swatch {
    cursor: pointer;
    box-shadow: 0 0 0 1px var(--light-gray);
    border: 2px solid var(--white);
    border-radius: 50%;
    padding: 0;
    width: 24px;
    height: 24px;
}

.color-swatch:hover,
.color-swatch.selected,
.color-swatch:focus-visible {
    outline: 2px solid var(--electric-blue);
    outline-offset: 2px;
}

#custom-color {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    box-shadow: 0 0 0 1px var(--light-gray);
    border: 2px solid var(--white);
    border-radius: 50%;
    background: conic-gradient(#ff0000, #ffff00, #00aa00, #00bcd4, #0000ff, #8000ff, #ff1493, #ff0000);
    padding: 0;
    width: 24px;
    height: 24px;
}

#custom-color:hover,
#custom-color.selected,
#custom-color:focus-visible {
    outline: 2px solid var(--electric-blue);
    outline-offset: 2px;
}

#pattern-palette {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: 8px;
    border-radius: 0 0 4px 4px;
    background-color: var(--cream-dark);
    padding: 8px 0 8px 0;
}

.pattern-swatch {
    cursor: pointer;
    border: 2px solid var(--white);
    border-radius: 4px;
    background-color: var(--gray-20);
    padding: 0;
    width: 24px;
    height: 24px;
}

.pattern-swatch:hover,
.pattern-swatch.selected,
.pattern-swatch:focus-visible {
    outline: 2px solid var(--electric-blue);;
    outline-offset: 2px;
}

.pattern-dots .shape-surface::before,
.pattern-swatch[data-pattern='dots'] { background-image: radial-gradient(rgba(255, 255, 255, 0.65) 1.5px, transparent 1.6px); background-size: 7px 7px; }
.pattern-stripes .shape-surface::before,
.pattern-swatch[data-pattern='stripes'] { background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px 7px); }
.pattern-diagonal-stripes .shape-surface::before,
.pattern-swatch[data-pattern='diagonal-stripes'] { background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px 7px); }
.pattern-crosshatch .shape-surface::before,
.pattern-swatch[data-pattern='crosshatch'] { background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.45) 0 1px, transparent 1px 6px), repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.45) 0 1px, transparent 1px 6px); }
.pattern-grid .shape-surface::before,
.pattern-swatch[data-pattern='grid'] { background-image: linear-gradient(rgba(255, 255, 255, 0.45) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px); background-size: 7px 7px; }
.pattern-checkerboard .shape-surface::before,
.pattern-swatch[data-pattern='checkerboard'] { background-image: conic-gradient(rgba(255, 255, 255, 0.45) 25%, transparent 0 50%, rgba(255, 255, 255, 0.45) 0 75%, transparent 0); background-size: 10px 10px; }
.pattern-zigzag .shape-surface::before,
.pattern-swatch[data-pattern='zigzag'] { background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px 6px); }
.pattern-waves .shape-surface::before,
.pattern-swatch[data-pattern='waves'] { background-image: repeating-radial-gradient(ellipse at 50% 100%, transparent 0 4px, rgba(255, 255, 255, 0.5) 4px 5px); }
.pattern-diamonds .shape-surface::before,
.pattern-swatch[data-pattern='diamonds'] { background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.45) 25%, transparent 25%), linear-gradient(-45deg, rgba(255, 255, 255, 0.45) 25%, transparent 25%); background-size: 10px 10px; }
.pattern-triangles .shape-surface::before,
.pattern-swatch[data-pattern='triangles'] { background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 25%, transparent 25%), linear-gradient(225deg, rgba(255, 255, 255, 0.5) 25%, transparent 25%); background-size: 10px 10px; }
.pattern-bricks .shape-surface::before,
.pattern-swatch[data-pattern='bricks'] { background-image: linear-gradient(rgba(255, 255, 255, 0.45) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px); background-size: 12px 6px, 6px 12px; }
.pattern-noise .shape-surface::before,
.pattern-swatch[data-pattern='noise'] { background-image: radial-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px), radial-gradient(rgba(0, 0, 0, 0.25) 1px, transparent 1px); background-position: 0 0, 3px 3px; background-size: 5px 5px; }

button {
    transition: opacity 0.2s;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    padding: 8px 32px;
}

button:hover {
    opacity: 0.7;
}

#add-btn {
    box-shadow: 5px 5px 5px 1px var(--light-gray);
    background-color: var(--blue);
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
    font-family: museomoderno, sans-serif;
}

#reset-btn {
    background-color: var(--red);
    color: var(--white);
}

#sandbox-viewport {
    position: fixed;
    z-index: 0;
    inset: 0;
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
}

#sandbox {
    position: relative;
    transform: scale(var(--sandbox-zoom, 1));
    transform-origin: top left;
    cursor: grab;
    border: 1px solid var(--light-gray);
    min-width: 100%;
    min-height: 100%;
}

#sandbox.panning {
    cursor: grabbing;
}

.box {
    display: flex;
    position: absolute;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: move;
    box-sizing: border-box;
    border-radius: 8px;
    background: transparent;
    padding: 8px;
    width: 120px;
    height: 120px;
    touch-action: none;
    pointer-events: none;
    color: var(--white);
    user-select: none;
}

.box.selected {
    outline: none;
}

.shape-transform-controls {
    position: absolute;
    z-index: 2;
    transition: outline-color 0.15s ease;
    inset: 0;
    outline: 2px solid transparent;
    outline-offset: 8px;
    border-radius: 8px;
    pointer-events: none;
}

.box:hover .shape-transform-controls,
.box.selected .shape-transform-controls {
    outline-color: var(--electric-blue);
}

.selection-marquee {
    position: absolute;
    z-index: 8;
    border: 1px solid var(--electric-blue);
    background: rgba(var(--electric-blue-rgb), 0.15);
    pointer-events: none;
}

.shape-surface {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scaleX(var(--flip-x, 1)) scaleY(var(--flip-y, 1)) rotate(var(--rotation, 0deg));
    z-index: 0;
    transition: transform 0.15s ease;
    width: 120px;
    height: 120px;
    pointer-events: auto;
}

.shape-surface::before {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) skewX(var(--shape-skew, 0deg));
    background: var(--box-color);
    width: 100%;
    height: 100%;
    pointer-events: none;
    content: '';
}

.shape-large-triangle .shape-surface,
.shape-medium-triangle .shape-surface,
.shape-small-triangle .shape-surface {
    clip-path: polygon(0 0, 100% 100%, 0 100%);
}

.shape-parallelogram .shape-surface {
    width: 170px;
    height: 84px;
}

.shape-parallelogram .shape-surface::before {
    --shape-skew: -45deg;
}

.shape-large-triangle .shape-surface {
    width: 240px;
    height: 240px;
}

.shape-medium-triangle .shape-surface {
    width: 168px;
    height: 168px;
}

.shape-small-triangle .shape-surface {
    width: 120px;
    height: 120px;
}

.box-title,
.box-input,
.box-hint {
    position: relative;
    z-index: 1;
}

.rotate-control,
.delete-control,
.flip-control {
    display: flex;
    position: absolute;
    justify-content: center;
    align-items: center;
    opacity: 0;
    z-index: 20;
    transition: opacity 0.15s ease, background 0.15s ease;
    cursor: pointer;
    border: 1px solid var(--white);
    border-radius: 50%;
    padding: 4px;    
}

.rotate-control,
.flip-control {
    box-sizing: border-box;
    padding: 0;
    width: 30px;
    height: 28px;
    pointer-events: auto;
}

.box:hover .rotate-control,
.box:hover .delete-control,
.box:hover .flip-control,
.box.touch-active .rotate-control,
.box.touch-active .delete-control,
.box.touch-active .flip-control,
.rotate-control:focus-visible,
.delete-control:focus-visible,
.flip-control:focus-visible {
    opacity: 1;
}

.rotate-control:hover {
    background-color: var(--electric-blue);
}

.delete-control {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 0, 0, 0.9);
    font-size: 20px;
}

.delete-control:hover {
    background-color: var(--red);
}

.flip-control:hover {
    background-color: var(--electric-blue);
}

.rotate-left {
    top: 50%;
    left: 0;
    transform: scale(var(--sandbox-control-scale, 1)) translate(-50%, -50%);
}

.rotate-right {
    top: 50%;
    left: 75%;
    transform: scale(var(--sandbox-control-scale, 1)) translate(50%, -50%);
}

.flip-horizontal {
    bottom: 25%;
    left: 35%;
    transform: scale(var(--sandbox-control-scale, 1)) translate(-50%, 50%);
}

.flip-vertical {
    right: 35%;
    bottom: 25%;
    transform: scale(var(--sandbox-control-scale, 1)) translate(50%, 50%);
}

.rotate-control:focus,
.delete-control:focus,
.flip-control:focus {
    outline: 2px solid var(--electric-blue);
}

.shape-control-icon {
    display: block;
    object-fit: contain;
    pointer-events: none;
}

.box-title {
    margin-bottom: 6px;
    font-weight: bold;
    font-size: 12px;
}

.box-input {
    box-sizing: border-box;
    border: none;
    border-radius: 4px;
    background: rgba(var(--white-rgb), 0.85);
    padding: 4px;
    width: 100%;
    color: var(--gray-20);
    font-size: 12px;
}

.box-input:focus {
    outline: 2px solid var(--gray-20);
    background: var(--white);
}

.box-hint {
    opacity: 0.7;
    margin-top: 6px;
    font-size: 9px;
}

/* Remote User Cursors */
.remote-cursor {
    position: absolute;
    z-index: 9999;
    transition: transform 0.1s linear;
    box-shadow: 0 2px 4px rgba(var(--black-rgb), 0.2);
    border-radius: 50%;
    background: var(--gray-20);
    width: 16px;
    height: 16px;
    pointer-events: none;
}

/* XXXX Model CSS XXXX */

#welcome-modal {
    display: none;
    position: fixed;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    z-index: 9999;
    inset: 0;
    background: var(--cream);
    padding: 15px;
    width: 100vw;
    height: 100vh;
    overflow-y: auto; 
    text-align: center;
}

#welcome-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1999;
    backdrop-filter: blur(4px);
    background: rgba(var(--white-rgb), 0.8);
    width: 100vw;
    height: 100vh;
}

#welcome-overlay.visible {
    display: block;
}

#welcome-modal.visible {
    display: flex;
}

#welcome-image {
    border-radius: 8px; 
    max-width: 100%;
    height: auto;
}

#welcome-modal h1 {
    margin: 0;
    color: var(--red-carpet);
}

#welcome-modal h2 {
    display: inline-block;
    margin: 0;
    color: var(--galaxea);
}

#welcome-modal h3 {
    display: inline-block;
    margin: 15px;
    color: var(--vivid-amber);
}

#welcome-modal h4 {
    display: inline-block;
    margin: 15px;
    color: var(--pumpkin);
}

#welcome-modal p {
    color: var(--galaxea);
}

#welcome-close {
    background: var(--electric-blue);;
    color: var(--white);
}

.tanjeo-intro {
    position: relative;
    box-sizing: border-box;
    border: 12px solid var(--panel);
    border-radius: 30px 15px 60px 0;
    background: var(--cream);
    padding: 5px;
    width: 100%;
    text-align: center;
}

.highlight {
    display: inline;
    border-radius: 0px 15px 0px 15px;
    background-image: linear-gradient(to top, var(--panel) 50%, transparent 50%);
}

/* ---------------- Responsive ---------------- */

/* adjustments for wider phones 360x780*/
@media (min-width: 360px) {

}

/* multi-column adjustments 448x998*/ 
@media (min-width: 448px) {
    
    .tanjeo-intro {
        padding: 20px;
    }
}

/* tablet layout 768x1024*/
@media (min-width: 768px) {
    
    #welcome-modal {    
        margin: auto;    
        box-shadow: 0 25px 70px rgba(var(--black-rgb), 0.25);
        border-radius: 16px;
        padding: 15px;
        width: 80vw;
        height: 80vh;
    }
}

/* full desktop layout 1920x1080*/
@media (min-width: 1080px) {

    #welcome-modal {
        width: 60vw;
        height: 60vh;
    }
}

/* full desktop layout 2560x1440*/
@media (min-width: 1440px) {

    #welcome-modal {
        height: 80vh;
    }
};