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

:root {
    /* Surface & background */
    --color-bg:             #e8e8e8;
    --color-surface:        #ddd8cc;
    --color-panel:          #513527;

    /* Brand browns */
    --color-primary:        #5c3d2e;
    --color-primary-dark:   #4a3020;
    --color-border:         #3a2214;
    --color-border-light:   #6e4a3a;

    /* Text & light fills */
    --color-text:           #3b2a1a;
    --color-cream:          #f0ead4;
    --color-muted:          #c0b8a8;
    --color-placeholder:    #b0a898;
    --color-accent:         #a08060;

    /* Status */
    --color-danger:         #c04040;
    --color-danger-hover:   #d04040;

    /* Card sizing */
    --card-width:           clamp(17.5rem, 90vw, 26.25rem);
}

html, body {
    height: 100%;
    overflow: hidden;
    font-family: 'Press Start 2P', monospace;
    -webkit-font-smoothing: none;
    -moz-osx-font-smoothing: grayscale;
    background: var(--color-bg);
    color: var(--color-text);
}

body {
    display: flex;
    flex-direction: column;
}

/* ===== Nav Bar ===== */
.nav {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-bottom: 3px solid;
    border-color: var(--color-border);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.nav a {
    color: var(--color-cream);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color 0.15s ease;
    position: absolute;
    left: 1.5rem;
}

.nav a:hover {
    color: #fff;
}

.nav h1 {
    color: var(--color-cream);
    font-size: 0.9rem;
    text-align: center;
}

.hidden { display: none !important; }

/* ===== App Layout ===== */
.app-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.app {
    flex: 1;
    overflow: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    background: var(--color-surface);
    padding: 1.5rem;
    padding-bottom: 3rem;
    gap: 1rem;
}

.card-columns {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    align-items: flex-start;
}

.card-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    width: var(--card-width);
}

/* ===== Shared Theme Name Input ===== */
.theme-name-shared {
    font-family: 'Barlow Semi Condensed', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    text-transform: uppercase;
    text-align: center;
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.2rem 1rem;
    width: 100%;
    max-width: 31.25rem;
    transition: border-color 0.15s ease;
}

.theme-name-shared:hover {
    border-bottom-color: var(--color-muted);
}

.theme-name-shared:focus {
    outline: none;
    border-bottom-color: var(--color-primary);
}

.theme-name-shared::placeholder {
    color: var(--color-placeholder);
}

/* ===== Packing Edit Card ===== */
.packing-edit-card {
    height: min(32.5rem, 70vh);
    aspect-ratio: 745 / 1040;
    max-width: 100%;
    background: #000;
    padding: 4.3%;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
    border-radius: 4.8%;
    overflow: hidden;
}

.packing-edit-inner {
    background: #fff;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 0.625rem 0.625rem 0.5rem;
    border-radius: 2%;
}

.packing-edit-decklist {
    flex: 1;
    border: none;
    resize: none;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: #43484f;
    width: 100%;
    padding: 0.25rem 0;
}

.packing-edit-decklist:focus {
    outline: none;
}

.packing-edit-decklist::placeholder {
    color: #bbb;
}

.packing-edit-btn {
    margin-top: auto;
    width: 100%;
    display: block;
    text-align: center;
}

/* ===== Packing View (after generate) ===== */
.packing-view {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.packing-card-wrap {
    position: relative;
    display: inline-block;
    isolation: isolate;
}

.packing-view .output-canvas {
    height: min(32.5rem, 70vh);
    width: auto;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
    border-radius: 4.8%;
    display: block;
}

.card-edit-icon {
    position: absolute;
    bottom: 7%;
    right: 8%;
    width: 2.625rem;
    height: 2.625rem;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: var(--color-cream);
    border: 2px solid rgba(240, 234, 212, 0.3);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, transform 0.15s ease;
    padding: 0;
    z-index: 3;
}

.card-edit-icon:hover {
    background: rgba(0, 0, 0, 0.75);
    transform: scale(1.1);
}

/* ===== Card Slot (theme card interactive area) ===== */
.card-slot {
    position: relative;
    aspect-ratio: 745 / 1040;
    background: #000;
    padding: 4.3%;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
    height: min(32.5rem, 70vh);
    max-width: 100%;
    border-radius: 4.8%;
    overflow: hidden;
}

.card-slot-inner {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.upload-zone {
    position: absolute;
    inset: 0;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: background 0.15s ease;
}

.upload-zone:hover,
.upload-zone.drag-over {
    background: #f5f5f5;
}

.upload-zone .upload-label {
    font-size: 0.55rem;
    color: var(--color-border-light);
    text-align: center;
    line-height: 1.8;
    pointer-events: none;
}

.upload-zone .upload-icon {
    font-size: 2rem;
    color: var(--color-border-light);
    pointer-events: none;
}

.upload-zone input[type="file"] {
    display: none;
}

#crop-area {
    position: absolute;
    inset: 0;
}

.crop-viewport {
    position: absolute;
    inset: 0;
    overflow: hidden;
    cursor: grab;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.crop-viewport:active {
    cursor: grabbing;
}

.crop-viewport img {
    position: absolute;
    top: 0;
    left: 0;
    will-change: transform;
    pointer-events: none;
    transform-origin: 0 0;
}

/* ===== Live Theme Overlay ===== */
.theme-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    /* bar (2/13) + gradient (2/13) of inner card */
    height: calc(4 / 13 * 100%);
    pointer-events: none;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.theme-overlay-name {
    color: #ffffff;
    font-family: 'Barlow Semi Condensed', sans-serif;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    overflow: hidden;
    white-space: nowrap;
    background: rgba(0, 0, 0, 0.55);
    height: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
}

.theme-overlay-gradient {
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.45) 0%,
        rgba(0, 0, 0, 0.85) 100%
    );
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    flex: 1;
    padding: 0.6rem 1rem 0.75rem;
}
.theme-overlay.no-name .theme-overlay-gradient {
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.85) 100%
    );
}

.theme-overlay-colors {
    display: flex;
    gap: 0.25rem;
    justify-content: center;
}

.theme-overlay-colors img {
    width: 1.625rem;
    height: 1.625rem;
}

/* ===== Card Control Panel ===== */
.card-panel {
    background: var(--color-panel);
    border: 2px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    min-height: 11.25rem;
}

/* ===== Card Controls (below theme card) ===== */
.card-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.card-controls label {
    font-size: 0.6rem;
    color: var(--color-cream);
    margin-bottom: 0;
    white-space: nowrap;
}

.zoom-slider {
    flex: 1;
    accent-color: var(--color-accent);
}

/* ===== Color Identity Picker ===== */
.color-picker-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.color-picker-label {
    font-size: 0.6rem;
    color: var(--color-cream);
}

.color-picker {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.color-toggle {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: 3px solid var(--color-border);
    background: var(--color-cream);
    cursor: pointer;
    padding: 0.375rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
    opacity: 0.35;
    filter: grayscale(1);
}

.color-toggle img {
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.color-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 2px 4px 0 rgba(0, 0, 0, 0.3);
}

.color-toggle.active {
    opacity: 1;
    filter: grayscale(0);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-cream), 0 0 0 4px var(--color-primary);
}

/* ===== Button ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: var(--color-cream);
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: 3px solid;
    border-color: var(--color-border-light) var(--color-border) var(--color-border) var(--color-border-light);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.35);
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 2px 4px 0 rgba(0, 0, 0, 0.4);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.35);
}

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

.btn-download {
    text-decoration: none;
}

/* ===== Status Area ===== */
/* ===== Growl Notifications ===== */
.growl-container {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column-reverse;
    gap: 0.5rem;
    pointer-events: none;
}

.growl {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    line-height: 1.8;
    padding: 0.6rem 1rem;
    border-radius: 0.375rem;
    pointer-events: auto;
    max-width: 25rem;
    animation: growl-in 0.2s ease-out, growl-out 0.3s 2.2s ease-in forwards;
}

.growl--info {
    background: var(--color-text);
    color: var(--color-cream);
    border: 1px solid var(--color-primary);
}

.growl--warning {
    background: #4a3520;
    color: #f0d060;
    border: 1px solid #a07020;
}

.growl--error {
    background: #3a1818;
    color: #f08080;
    border: 1px solid var(--color-danger);
}

@keyframes growl-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes growl-out {
    from { opacity: 1; }
    to   { opacity: 0; }
}

/* ===== Download Row (flex for multiple buttons) ===== */
.download-row {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

/* ===== Sheet Panel (Right Sidebar) ===== */
.sheet-panel {
    position: relative;
    width: 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-panel);
    border-left: none;
    overflow: visible;
    transition: width 0.2s ease;
}

.sheet-panel.expanded {
    width: var(--card-width);
    border-left: 3px solid var(--color-border);
}

.sheet-toggle-btn {
    position: absolute;
    right: 100%;
    top: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.75rem 0.5rem;
    background: var(--color-panel);
    border: 2px solid var(--color-border);
    border-right: none;
    border-radius: 0.5rem 0 0 0.5rem;
    color: var(--color-cream);
    font-size: 1.5rem;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: -2px 2px 4px rgba(0, 0, 0, 0.2);
    transition: background 0.15s ease;
    z-index: 1;
}

.sheet-toggle-btn:hover {
    background: var(--color-primary);
}

.sheet-toggle-chevron {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.sheet-panel.expanded .sheet-toggle-chevron {
    transform: rotate(180deg);
}

.sheet-toggle-close {
    display: none;
}

.sheet-body {
    display: none;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.sheet-panel.expanded .sheet-body {
    display: flex;
}

.sheet-header {
    padding: 1rem;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.75rem;
    color: var(--color-cream);
    border-bottom: 1px solid var(--color-border-light);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sheet-header-icon {
    display: none;
}

.sheet-header-close {
    display: none;
}

.sheet-count {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.65rem;
    color: var(--color-accent);
}

.sheet-slots {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sheet-slot {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 0.375rem;
    padding: 0.5rem;
}

.sheet-drop {
    width: 8.125rem;
    height: 11.375rem;
    border: 2px dashed var(--color-border-light);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.5rem;
    color: var(--color-accent);
    flex-shrink: 0;
    overflow: hidden;
}

.sheet-drop.filled {
    border-style: solid;
    border-color: var(--color-border-light);
}

.sheet-drop img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 2px;
    cursor: grab;
}

.sheet-drop img:active {
    cursor: grabbing;
}

.sheet-drop.drag-over {
    border-color: var(--color-cream);
    background: rgba(240, 234, 212, 0.15);
    box-shadow: 0 0 6px rgba(240, 234, 212, 0.3);
}

.sheet-drop-new {
    border: 2px dashed transparent;
    border-radius: 0.375rem;
    min-height: 2.5rem;
    flex-shrink: 0;
}

.sheet-drop-new.drag-over {
    min-height: 12.375rem;
    border-color: var(--color-cream);
    background: rgba(240, 234, 212, 0.15);
}

.sheet-slot-remove {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--color-danger);
    color: #fff;
    border: none;
    font-size: 1.125rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    flex-shrink: 0;
    margin-left: auto;
    margin-right: 1rem;
}

.sheet-slot-remove:hover {
    background: var(--color-danger-hover);
}

.dragging {
    opacity: 0.5;
}

.sheet-controls {
    padding: 1rem;
    border-top: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex-shrink: 0;
}

.sheet-controls-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.sheet-label {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: var(--color-cream);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.sheet-label select {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    padding: 0.4rem 0.5rem;
    background: var(--color-cream);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 3px;
}

.sheet-checkbox {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: var(--color-cream);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.sheet-checkbox input[type="checkbox"] {
    accent-color: var(--color-primary);
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
}

.sheet-number-input {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    width: 4.375rem;
    height: 2rem;
    padding: 0.3rem 0.4rem;
    background: var(--color-cream);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    text-align: center;
}

.help-icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.375rem;
    height: 1.375rem;
    border-radius: 50%;
    background: rgba(240, 234, 212, 0.15);
    border: 1.5px solid rgba(240, 234, 212, 0.3);
    color: var(--color-cream);
    font-family: 'Open Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: help;
    flex-shrink: 0;
    margin-left: 0.25rem;
}

.help-icon:hover,
.help-icon:focus {
    background: rgba(240, 234, 212, 0.3);
}

.help-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text);
    color: var(--color-cream);
    font-family: 'Open Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 400;
    line-height: 1.6;
    padding: 0.65rem 0.8rem;
    border-radius: 0.375rem;
    border: 1px solid var(--color-primary);
    width: 16.25rem;
    white-space: normal;
    z-index: 10;
    pointer-events: none;
}

.help-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--color-text);
}

.help-icon:hover .help-tooltip,
.help-icon:focus .help-tooltip {
    display: block;
}

.sheet-double-options {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 0.375rem;
    padding: 0.6rem 0.75rem;
    margin-left: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sheet-btn {
    font-size: 0.6rem;
    padding: 0.75rem 1rem;
}

.sheet-empty-msg {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: var(--color-accent);
    text-align: center;
    padding: 1rem 0.5rem;
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 768px) {
    html, body {
        overflow: auto;
    }

    .nav {
        padding: 0.75rem 1rem;
        gap: 1rem;
    }

    .nav a, .nav h1 {
        font-size: 0.55rem;
    }

    .app-layout {
        flex-direction: column;
    }

    .app {
        padding: 1rem;
        justify-content: flex-start;
    }

    .sheet-panel {
        position: fixed;
        bottom: 0;
        right: 0;
        left: auto;
        width: auto;
        height: auto;
        background: transparent;
        border: none;
        z-index: 100;
        transition: none;
        overflow: visible;
    }

    .sheet-toggle-btn {
        position: static;
        flex-direction: row;
        border: 2px solid var(--color-border);
        border-bottom: none;
        border-right: 2px solid var(--color-border);
        border-radius: 0.5rem 0.5rem 0 0;
        box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.2);
    }

    .sheet-toggle-chevron {
        display: none;
    }

    .sheet-panel.expanded {
        left: 0;
        top: 0;
        width: 100%;
        background: var(--color-panel);
        border-top: 3px solid var(--color-border);
        overflow-y: auto;
    }

    .sheet-panel.expanded .sheet-toggle-btn {
        display: none;
    }

    .sheet-panel.expanded .sheet-header-icon {
        display: inline;
        font-size: 1.2rem;
    }

    .sheet-panel.expanded .sheet-header-close {
        display: inline;
        margin-left: auto;
        background: none;
        border: none;
        color: var(--color-cream);
        font-size: 1.2rem;
        cursor: pointer;
        padding: 0.25rem;
    }

    .card-columns {
        width: 100%;
        gap: 1.5rem;
    }

    .card-column {
        width: 100%;
        max-width: 25rem;
    }

    .packing-edit-card,
    .card-slot {
        height: auto;
        width: 100%;
    }

    .packing-card-wrap {
        width: 100%;
    }

    .packing-view .output-canvas {
        width: 100%;
        height: auto;
    }

}