:root {
    --bg: #08090d;
    --panel: rgba(18, 20, 28, 0.9);
    --line: rgba(255, 255, 255, 0.13);
    --text: #f6f7fb;
    --muted: #aeb6c7;
    --accent: #ff5604;
    --green: #25d366;
}

@font-face { font-family: "Alexa"; src: url("../fonts/Alexa.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Amanda"; src: url("../fonts/Amanda.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Amsterdam"; src: url("../fonts/Amsterdam.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Austin"; src: url("../fonts/Austin.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Avante"; src: url("../fonts/Avante.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Barcelona"; src: url("../fonts/Barcelona.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Bayview"; src: url("../fonts/Bayview.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Beachfront"; src: url("../fonts/Beachfront.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Bellview"; src: url("../fonts/Bellview.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Buttercup"; src: url("../fonts/Buttercup.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Chelsea"; src: url("../fonts/Chelsea.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Freehand"; src: url("../fonts/Freehand.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Freespirit"; src: url("../fonts/Freespirit.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Greenworld"; src: url("../fonts/Greenworld.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "LoveNeon"; src: url("../fonts/LoveNeon.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "LoveNote"; src: url("../fonts/LoveNote.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Marquee"; src: url("../fonts/Marquee.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Mayfair"; src: url("../fonts/Mayfair.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Melbourne"; src: url("../fonts/Melbourne.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Monaco"; src: url("../fonts/Monaco.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "NeonGlow"; src: url("../fonts/NeonGlow.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "NeonLite"; src: url("../fonts/NeonLite.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Neonscript"; src: url("../fonts/Neonscript.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Neontrace"; src: url("../fonts/Neontrace.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "NeoTokyo"; src: url("../fonts/NeoTokyo.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Nevada"; src: url("../fonts/Nevada.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "NewCursive"; src: url("../fonts/NewCursive.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Northshore"; src: url("../fonts/Northshore.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Photogenic"; src: url("../fonts/Photogenic.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Rocket"; src: url("../fonts/Rocket.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Royalty"; src: url("../fonts/Royalty.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "SciFi"; src: url("../fonts/SciFi.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Signature"; src: url("../fonts/Signature.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Sorrento"; src: url("../fonts/Sorrento.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Venetian"; src: url("../fonts/Venetian.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Vintage"; src: url("../fonts/Vintage.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Waikiki"; src: url("../fonts/Waikiki.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "WildScript"; src: url("../fonts/WildScript.ttf") format("truetype"); font-display: swap; }

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at 78% 18%, rgba(0, 255, 255, 0.13), transparent 28%),
        linear-gradient(135deg, #06070a 0%, #161821 48%, #07080b 100%);
    font-family: "Segoe UI", Arial, sans-serif;
}

button,
input,
select,
textarea {
    font: inherit;
}

.designer-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
    gap: 18px;
    padding: 18px;
}

.steps-panel,
.preview-panel {
    border: 1px solid var(--line);
    background: var(--panel);
    backdrop-filter: blur(18px);
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.42);
}

.steps-panel {
    border-radius: 8px;
    padding: 18px;
    overflow: auto;
}

.brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.back-link {
    display: inline-block;
    min-width: 120px;
    text-align: center;
    color: #ddd;
    text-decoration: none;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0;
    padding: 10px 18px;
    border-radius: 14px;
    border: 1px solid rgba(0, 255, 255, .25);
    background: rgba(255, 255, 255, .03);
    transition: .3s;
}

.back-link:hover {
    transform: translateX(6px);
    background: rgba(0, 255, 255, .08);
    color: #00f2ff;
    text-shadow: 0 0 20px cyan, 0 0 60px cyan;
    box-shadow: 0 0 20px cyan;
}

.neon-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.neon-toggle input {
    position: absolute;
    opacity: 0;
}

.neon-toggle span {
    width: 44px;
    height: 24px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    position: relative;
    border: 1px solid var(--line);
}

.neon-toggle span::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 2px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.2s ease;
}

.neon-toggle input:checked + span {
    background: var(--accent);
    box-shadow: 0 0 22px rgba(255, 86, 4, 0.6);
}

.neon-toggle input:checked + span::after {
    transform: translateX(19px);
}

.panel-title {
    margin: 24px 0 18px;
}

.panel-title p,
.eyebrow {
    margin: 0 0 6px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.panel-title h1,
.preview-footer h2 {
    margin: 0;
    font-size: 28px;
    line-height: 1.1;
}

.step-list {
    display: grid;
    gap: 12px;
}

.step-card {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
    margin: 0;
    padding: 13px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.055);
}

fieldset.step-card {
    border: 1px solid var(--line);
}

.step-number {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: #111;
    background: #fff;
    font-weight: 900;
}

legend.step-number {
    float: left;
    margin-right: 12px;
}

.step-content {
    display: grid;
    gap: 9px;
    min-width: 0;
}

.step-content strong {
    font-size: 14px;
}

input,
select,
textarea {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #fff;
    background: rgba(0, 0, 0, 0.28);
    padding: 10px 12px;
    outline: none;
}

textarea {
    resize: vertical;
}

#textInput {
    line-height: 1.35;
    min-height: 70px;
}

.font-picker-button {
    width: 100%;
    min-height: 62px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #fff;
    background: rgba(0, 0, 0, 0.28);
    padding: 9px 12px;
    cursor: pointer;
}

.font-preview,
.font-option-preview {
    width: 100%;
    min-height: 40px;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 34px;
    line-height: 1.1;
    white-space: nowrap;
    text-shadow:
        0 0 2px #fff,
        0 0 8px rgba(162, 230, 255, 0.85),
        0 0 18px rgba(162, 230, 255, 0.55);
}

.font-picker-button > span:not(.font-preview) {
    display: none;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
}

.font-list {
    display: grid;
    gap: 8px;
    max-height: 280px;
    overflow: auto;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.32);
}

.font-list[hidden] {
    display: none;
}

.font-option {
    min-height: 58px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.045);
    padding: 8px 10px;
    cursor: pointer;
}

.font-option-preview {
    min-height: 42px;
    font-size: 31px;
    text-shadow: none;
}

.font-option span:not(.font-option-preview) {
    display: none;
    color: #fff;
    font-size: 13px;
    font-weight: 800;
}

.font-option.active {
    border-color: rgba(162, 230, 255, 0.78);
    box-shadow: 0 0 22px rgba(162, 230, 255, 0.25);
}

.font-option.active .font-option-preview {
    text-shadow:
        0 0 2px #fff,
        0 0 8px rgba(162, 230, 255, 0.9),
        0 0 18px rgba(162, 230, 255, 0.6);
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(255, 86, 4, 0.72);
    box-shadow: 0 0 0 3px rgba(255, 86, 4, 0.16);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
}

.color-choice {
    min-height: 54px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
}

.color-choice.active {
    border-color: #fff;
    box-shadow: 0 0 24px var(--choice-color);
}

.color-dot {
    display: block;
    width: 18px;
    height: 18px;
    margin: 0 auto 5px;
    border-radius: 50%;
    background: var(--choice-color);
}

.color-choice small {
    display: block;
    font-size: 10px;
}

.size-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.size-row label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.segmented {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.segmented input {
    position: absolute;
    opacity: 0;
}

.segmented span {
    display: grid;
    place-items: center;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
    background: rgba(0, 0, 0, 0.25);
    cursor: pointer;
}

.segmented input:checked + span {
    color: #fff;
    border-color: rgba(0, 255, 255, 0.68);
    box-shadow: 0 0 18px rgba(0, 255, 255, 0.22);
}

.quote-button {
    min-height: 52px;
    border: 0;
    border-radius: 8px;
    color: #041408;
    background: var(--green);
    font-weight: 900;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.25);
}

.preview-panel {
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    min-width: 0;
    height: calc(100vh - 36px);
    position: sticky;
    top: 18px;
    border-radius: 8px;
    overflow: hidden;
}

.canvas-wrap {
    min-height: 460px;
    display: grid;
    place-items: center;
    padding: 0;
    background: #16120f;
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='2' d='M16 3c4.4 0 8 3.6 8 8v10c0 4.4-3.6 8-8 8s-8-3.6-8-8V11c0-4.4 3.6-8 8-8Z'/%3E%3Cpath fill='none' stroke='%2300f2ff' stroke-linecap='round' stroke-width='2' d='M16 7v6M12 20l4 4 4-4M12 13l4-4 4 4'/%3E%3C/svg%3E") 16 16, ns-resize;
}

canvas {
    width: 100%;
    height: 100%;
    max-height: none;
    display: block;
    border-radius: 0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
    cursor: inherit;
}

.preview-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px;
    border-top: 1px solid var(--line);
    background: rgba(0, 0, 0, 0.28);
}

.preview-footer h2 {
    font-size: 18px;
}

.thumb-grid {
    display: grid;
    grid-template-columns: repeat(4, 90px);
    gap: 10px;
}

.bg-thumb {
    height: 64px;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    background-size: cover;
    background-position: center;
}

.bg-thumb.active {
    border-color: #fff;
    box-shadow: 0 0 18px rgba(255, 255, 255, 0.25);
}

.bg-thumb[data-bg="wall"] {
    background-image: url("../N10Studio/assets/duvar-1.png");
}

.bg-thumb[data-bg="dark"] {
    background-image: linear-gradient(135deg, #050509, #272733);
}

.bg-thumb[data-bg="shop"] {
    background-image: url("../img/galeri/tabela/resim1.jpg");
}

.bg-thumb[data-bg="grid"] {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.13) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.13) 1px, transparent 1px),
        linear-gradient(135deg, #11141b, #20232d);
    background-size: 18px 18px, 18px 18px, cover;
}

@media (max-width: 900px) {
    .designer-shell {
        grid-template-columns: 1fr;
    }

    .preview-panel {
        min-height: 560px;
        height: auto;
        position: static;
    }

    .preview-footer {
        align-items: stretch;
        flex-direction: column;
    }

    .thumb-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .designer-shell {
        padding: 10px;
    }

    .size-row,
    .segmented {
        grid-template-columns: 1fr;
    }

    .color-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}