.signature-wall-panel {
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow: hidden;
}

.signature-wall-cta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border: 2px inset #dfdfdf;
    background: linear-gradient(180deg, rgba(249, 229, 161, 0.95) 0%, rgba(228, 177, 72, 0.95) 100%);
    padding: 6px;
}

.signature-wall-cta-copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    color: #2d1d00;
    font-size: 12px;
    font-weight: bold;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.signature-wall-cta-copy img {
    width: 18px;
    height: 18px;
    object-fit: contain;
    image-rendering: pixelated;
    flex: 0 0 auto;
}

.signature-wall-stage {
    position: relative;
    flex: 1;
    min-height: 220px;
    border: 2px inset #dfdfdf;
    background: radial-gradient(circle at 28% 22%, rgba(71, 132, 184, 0.24), rgba(14, 18, 28, 0.7) 52%, rgba(7, 8, 13, 0.86) 100%);
    overflow: hidden;
}

@media (max-width: 768px) {
    .signature-wall-stage {
        min-height: 420px;
        height: clamp(420px, 88vh, 620px);
    }
}

.signature-wall-canvas {
    position: relative;
    z-index: 2;
    display: block;
    width: 100%;
    height: 100%;
    background: transparent;
}

.signature-wall-stage-backdrop,
.signature-wall-stage-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.signature-wall-stage-backdrop {
    z-index: 1;
    background-image:
        radial-gradient(circle at 18% 18%, rgba(149, 235, 255, 0.2), transparent 34%),
        radial-gradient(circle at 78% 28%, rgba(255, 185, 225, 0.14), transparent 40%),
        radial-gradient(circle at 45% 80%, rgba(255, 255, 255, 0.08), transparent 42%),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.055) 0px, rgba(255, 255, 255, 0.055) 1px, transparent 1px, transparent 4px);
    opacity: 0.8;
}

.signature-wall-stage-overlay {
    z-index: 3;
    background-image:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.06) 0px, rgba(255, 255, 255, 0.06) 1px, transparent 1px, transparent 3px),
        linear-gradient(180deg, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0.34) 100%);
    mix-blend-mode: screen;
    opacity: 0.24;
}

.signature-wall-sign-button {
    flex: 0 0 auto;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.signature-wall-sign-button.is-cooldown {
    cursor: not-allowed;
    opacity: 0.58;
    filter: grayscale(0.35);
    border: 2px inset #a7a7a7;
    background: linear-gradient(180deg, #dadada 0%, #c8c8c8 100%);
}

@media (max-width: 768px) {
    .signature-wall-cta-row {
        flex-direction: column;
        align-items: stretch;
    }

    .signature-wall-sign-button {
        width: 100%;
    }
}

.signature-wall-status-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    min-height: 18px;
}

.signature-wall-status {
    font-size: 12px;
    text-align: left;
    min-height: 1em;
    flex: 1;
}

.signature-wall-cooldown-indicator {
    display: none;
    align-items: center;
    gap: 4px;
    border: 2px outset #a9a9a9;
    background: linear-gradient(180deg, #fff1c4 0%, #ffd978 100%);
    color: #3d2b00;
    font-family: monospace;
    font-size: 11px;
    font-weight: bold;
    padding: 2px 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.signature-wall-cooldown-indicator.active {
    display: inline-flex;
}

.signature-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    background: rgba(0, 0, 0, 0.62);
}

.signature-modal-overlay.hidden {
    display: none;
}

.signature-modal-window {
    width: min(560px, 100%);
    height: auto;
    max-height: calc(100vh - 24px);
}

.signature-modal-window .window-body {
    display: flex;
    flex-direction: column;
    flex: 0 0 auto;
    gap: 6px;
    padding: 8px !important;
    overflow-y: visible;
}

@media (max-height: 760px) {
    .signature-modal-window .window-body {
        overflow-y: auto;
    }
}

.signature-modal-intro {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 2px inset #dfdfdf;
    background: linear-gradient(180deg, #e5e5e5 0%, #cecece 100%);
    padding: 6px;
}

.signature-modal-intro img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.signature-modal-intro-copy h2 {
    margin: 0;
    font-size: 16px;
    color: #101010;
}

.signature-modal-intro-copy p {
    margin: 0;
    font-size: 12px;
    color: #2a2a2a;
}

.signature-draw-shell {
    border: 2px outset #d5d5d5;
    background: #cfcfcf;
    padding: 0;
}

.signature-draw-toolbar {
    border-bottom: 1px solid #818181;
    background: linear-gradient(90deg, #0a246a 0%, #395c9a 100%);
    color: #fff;
    font-size: 11px;
    letter-spacing: 0.4px;
    padding: 2px 6px;
    text-transform: uppercase;
}

.signature-draw-surface {
    border: 2px inset #dfdfdf;
    padding: 6px;
    background: #cfcfcf;
}

.signature-draw-canvas {
    width: 100%;
    height: auto;
    aspect-ratio: 64 / 24;
    border: 2px solid #000;
    image-rendering: pixelated;
    background: linear-gradient(45deg, #ececec 25%, #d8d8d8 25%, #d8d8d8 50%, #ececec 50%, #ececec 75%, #d8d8d8 75%, #d8d8d8 100%);
    background-size: 14px 14px;
    touch-action: none;
    max-height: 180px;
}

.signature-modal-controls {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
}

.signature-modal-actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
    margin-left: auto;
}

.signature-color-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.signature-color-label {
    font-size: 12px;
    min-width: 36px;
}

.signature-tool-row,
.signature-size-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.signature-tool-label,
.signature-size-label {
    font-size: 12px;
    min-width: 36px;
}

.signature-color-button {
    width: 18px;
    height: 18px;
    border: 2px solid #000;
    padding: 0;
    cursor: pointer;
}

.signature-color-button.is-selected {
    outline: 2px solid #fff;
    box-shadow: 0 0 0 2px #000;
}

.signature-color-button[data-signature-color="#ffffff"] { background: #ffffff; }
.signature-color-button[data-signature-color="#8af6ff"] { background: #8af6ff; }
.signature-color-button[data-signature-color="#ffe66b"] { background: #ffe66b; }
.signature-color-button[data-signature-color="#ff8acc"] { background: #ff8acc; }
.signature-color-button[data-signature-color="#8dff8a"] { background: #8dff8a; }
.signature-color-button[data-signature-color="#8b5a2b"] { background: #8b5a2b; }
.signature-color-button[data-signature-color="#111315"] { background: #111315; }
.signature-color-button[data-signature-color="#ff7a4f"] { background: #ff7a4f; }
.signature-color-button[data-signature-color="#7d8bff"] { background: #7d8bff; }

.signature-tool-button,
.signature-size-button {
    min-width: 44px;
    padding: 0 6px;
    font-size: 11px;
    line-height: 1.35;
}

.signature-tool-button.is-selected,
.signature-size-button.is-selected {
    box-shadow: inset 0 0 0 1px #fff;
    background: linear-gradient(180deg, #95d0ff 0%, #4a87cd 100%);
    color: #fff;
}

.signature-modal-status {
    border: 2px inset #dfdfdf;
    background: #efefef;
    color: #202020;
    padding: 4px 6px;
    font-size: 12px;
    min-height: 1em;
    text-align: left;
}