/* ─── Custom Properties ─────────────────────────────── */
:root {
    --accent: #e8a25d;
    --accent-bright: #f0b87a;
    --accent-dark: #d08a45;
    --surface-deep: #1e1e1e;
    --surface: #252525;
    --surface-raised: #303030;
    --surface-hover: #383838;
    --border: #383838;
    --border-focus: #484848;
    --text: #dddde2;
    --text-secondary: #909098;
    --text-muted: #58585e;
}

/* ─── Sharp Corners ─────────────────────────────────── */
button,
select,
input,
textarea,
[class*="rounded"] {
    border-radius: 0 !important;
}

/* ─── Background ────────────────────────────────────── */
body {
    background-image: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(30, 30, 36, 0.5) 0%, transparent 100%);
}

/* ─── Scrollbars ────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-focus);
}

::-webkit-scrollbar-corner {
    background: transparent;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

/* ─── Header Accent Bar ─────────────────────────────── */
header {
    position: relative;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 10%, var(--border-focus), var(--accent-dark), var(--border-focus), transparent 90%);
    opacity: 0.6;
}

/* ─── Status Indicator ──────────────────────────────── */
#sim-status {
    transition: color 0.3s ease;
}

/* ─── Inputs, Selects, Textareas ────────────────────── */
input[type="text"],
input[type="number"],
select,
textarea {
    border: 1px solid var(--border);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-dark);
    box-shadow: 0 0 0 1px rgba(232, 162, 93, 0.15);
}

input[type="checkbox"] {
    accent-color: var(--accent);
}

/* ─── Number Input Spinners ────────────────────────── */
input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}

input[type="number"] {
    position: relative;
}

/* Custom spinner wrapper via CSS — we use a pseudo-element approach on the container */
.num-spinner {
    position: relative;
    display: inline-flex;
}

.num-spinner input[type="number"] {
    padding-right: 20px;
}

.num-spinner::after {
    content: '▲\A▼';
    white-space: pre;
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 6px;
    line-height: 8px;
    color: var(--text-secondary);
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ─── Select / Option Dropdown ─────────────────────── */
select,
::picker(select) {
    appearance: base-select;
}

::picker(select) {
    background: var(--surface);
    border: 1px solid var(--border-focus);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    padding: 2px 0;
}

select option {
    background: var(--surface);
    color: var(--text);
    padding: 4px 10px;
}

select option:hover,
select option:focus {
    background: var(--surface-hover);
    color: var(--text);
}

select option:checked {
    background: var(--accent-dark);
    color: white;
}

select option::checkmark {
    display: none;
}

select::picker-icon {
    color: var(--text-muted);
    font-size: 0.65em;
}

/* ─── Buttons ───────────────────────────────────────── */
button {
    transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

/* Navbar / toolbar buttons */
#panel-left > div:first-child button:not(.profileset-tab):not(.add-profileset-btn) {
    border: 1px solid var(--border);
}

#panel-left > div:first-child button:not(.profileset-tab):not(.add-profileset-btn):hover {
    border-color: var(--border-focus);
}

#run-sim-btn {
    font-weight: 600;
    letter-spacing: 0.02em;
}

#run-sim-btn:not(:disabled):hover {
    box-shadow: 0 0 16px rgba(232, 162, 93, 0.15);
}

/* ─── Tab Buttons ───────────────────────────────────── */
.tab-btn {
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
    font-weight: 500;
}

.tab-btn:hover {
    color: var(--text);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content.hidden {
    display: none !important;
}

#tab-character {
    display: flex;
    flex-direction: column;
}

/* ─── Profileset Buttons ───────────────────────────── */
#profileset-tabs {
    gap: 0;
    padding: 4px 0 0;
}

.profileset-tab {
    padding: 2px 10px 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border);
    transition: color 0.2s ease, border-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.profileset-tab:hover {
    color: var(--text);
}

.profileset-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.add-profileset-btn {
    padding: 2px 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: transparent;
    border: none !important;
    transition: color 0.2s ease;
}

.add-profileset-btn:hover {
    color: var(--accent);
}

/* ─── Splitters ─────────────────────────────────────── */
.splitter {
    flex-shrink: 0;
    background: var(--border);
    transition: background 0.2s ease;
    position: relative;
}

.splitter:hover,
.splitter.active {
    background: var(--accent-dark);
}

.splitter-v {
    width: 4px;
    cursor: col-resize;
}

.splitter-h {
    height: 4px;
    cursor: row-resize;
}

/* Grip dots on vertical splitter */
.splitter-v::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 24px;
    background: repeating-linear-gradient(
        to bottom,
        var(--text-muted) 0px,
        var(--text-muted) 2px,
        transparent 2px,
        transparent 6px
    );
    opacity: 0;
    transition: opacity 0.2s ease;
}

.splitter-v:hover::after {
    opacity: 0.6;
}

body.resizing {
    user-select: none;
    cursor: col-resize;
}

body.resizing-h {
    user-select: none;
    cursor: row-resize;
}

/* ─── Progress Bar ──────────────────────────────────── */
#progress-bar {
    background: linear-gradient(
        90deg,
        var(--accent-dark) 0%,
        var(--accent) 40%,
        var(--accent-bright) 50%,
        var(--accent) 60%,
        var(--accent-dark) 100%
    ) !important;
    background-size: 200% 100% !important;
    animation: shimmer 2.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: 100% center; }
    100% { background-position: -100% center; }
}

/* ─── Details / Summary ─────────────────────────────── */
details > summary {
    list-style: none;
}

details > summary::-webkit-details-marker {
    display: none;
}

details > summary::marker {
    display: none;
    content: '';
}

/* Sim tab details (overrides section) */
#tab-sim details > summary {
    padding: 4px 0;
    background: transparent;
    border: none;
    transition: color 0.2s ease;
    color: var(--text-secondary);
}

#tab-sim details > summary:hover {
    color: var(--text);
    background: transparent;
}

#tab-sim details[open] > summary {
    color: var(--text);
    background: transparent;
    border: none;
    border-bottom: none;
}

#tab-sim details > summary::before {
    content: '▸';
    display: inline-block;
    margin-right: 0.4em;
    transition: transform 0.2s ease;
    font-size: 1.3em;
    opacity: 0.7;
}

#tab-sim details[open] > summary::before {
    transform: rotate(90deg);
}

#tab-sim details[open] {
    border: none;
    background: transparent;
    margin-bottom: 0.75rem;
}

#tab-sim details:not([open]) {
    margin-bottom: 0.75rem;
}

/* Breakdown panel AST tree details */
#breakdown-panel details > summary::before {
    content: '▾';
    display: inline-block;
    margin-right: 0.25em;
    font-size: 0.65em;
    opacity: 0.4;
    transition: transform 0.15s ease;
}

#breakdown-panel details:not([open]) > summary::before {
    transform: rotate(-90deg);
}

/* ─── CodeMirror ────────────────────────────────────── */
#editor-container .cm-editor {
    height: 100%;
    background-color: #222222 !important;
}

#editor-container .cm-scroller {
    overflow: auto;
}

#editor-container .cm-editor .cm-content,
#editor-container .cm-editor .cm-gutters {
    font-family: 'Hack', monospace;
}

#editor-container .cm-editor .cm-gutters {
    background-color: #222222 !important;
    border-right: 1px solid var(--border) !important;
}

#editor-container .cm-editor .cm-activeLineGutter {
    background-color: rgba(232, 162, 93, 0.06) !important;
}

#editor-container .cm-editor .cm-activeLine {
    background-color: rgba(232, 162, 93, 0.04) !important;
}

#editor-container .cm-editor .cm-cursor {
    border-left-color: var(--accent) !important;
}

#editor-container .cm-editor .cm-selectionBackground {
    background-color: rgba(232, 162, 93, 0.12) !important;
}

#editor-container .cm-editor.cm-focused .cm-selectionBackground {
    background-color: rgba(232, 162, 93, 0.18) !important;
}

/* ─── Variant Comparison ────────────────────────────── */
.variant-row .variant-chevron {
    display: inline-block;
    transition: transform 0.2s ease;
}

.variant-row:has(> div + div:not(.hidden)) .variant-chevron {
    transform: rotate(90deg);
}

/* ─── APL Semantic Highlighting ─────────────────────── */
.cm-editor .apl-t-buff,     .cm-editor .apl-t-buff *     { color: #61afef !important; }
.cm-editor .apl-t-cd,       .cm-editor .apl-t-cd *       { color: #98c379 !important; }
.cm-editor .apl-t-dot,      .cm-editor .apl-t-dot *      { color: #e06c75 !important; }
.cm-editor .apl-t-talent,   .cm-editor .apl-t-talent *   { color: #c678dd !important; }
.cm-editor .apl-t-var,      .cm-editor .apl-t-var *      { color: #56b6c2 !important; }
.cm-editor .apl-t-action,   .cm-editor .apl-t-action *   { color: #e06c75 !important; }
.cm-editor .apl-t-target,   .cm-editor .apl-t-target *   { color: #e5c07b !important; }
.cm-editor .apl-t-gear,     .cm-editor .apl-t-gear *     { color: #c678dd !important; }
.cm-editor .apl-t-pet,      .cm-editor .apl-t-pet *      { color: #56b6c2 !important; }
.cm-editor .apl-t-event,    .cm-editor .apl-t-event *    { color: #61afef !important; }
.cm-editor .apl-t-history,  .cm-editor .apl-t-history *  { color: #d19a66 !important; }
.cm-editor .apl-t-resource, .cm-editor .apl-t-resource * { color: #d19a66 !important; }
.cm-editor .apl-t-spell,    .cm-editor .apl-t-spell *    { color: #c678dd !important; }
.cm-editor .apl-t-default,  .cm-editor .apl-t-default *  { color: #abb2bf !important; }

.cm-editor .apl-name,       .cm-editor .apl-name *       { color: #dcdfe4 !important; }
.cm-editor .apl-prop,       .cm-editor .apl-prop *       { color: #828997 !important; }
.cm-editor .apl-num,        .cm-editor .apl-num *        { color: #d19a66 !important; }
.cm-editor .apl-global,     .cm-editor .apl-global *     { color: #e5c07b !important; }
.cm-editor .apl-resource,   .cm-editor .apl-resource *   { color: #d19a66 !important; }

/* ─── Autocomplete Popup ────────────────────────────── */
.cm-tooltip-autocomplete {
    background: var(--surface) !important;
    border: 1px solid var(--border-focus) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5) !important;
}

.cm-tooltip-autocomplete ul {
    font-family: inherit !important;
    max-height: 300px !important;
}

.cm-tooltip-autocomplete ul li {
    padding: 3px 10px !important;
    color: var(--text) !important;
}

.cm-tooltip-autocomplete ul li[aria-selected] {
    background: var(--surface-hover) !important;
    color: var(--text) !important;
}

.cm-tooltip-autocomplete .cm-completionLabel {
    color: var(--text) !important;
}

.cm-tooltip-autocomplete .cm-completionDetail {
    color: var(--text-muted) !important;
    font-style: italic;
    margin-left: 8px;
}

.cm-tooltip-autocomplete .cm-completionInfo {
    background: var(--surface) !important;
    border: 1px solid var(--border-focus) !important;
    color: var(--text-secondary) !important;
    padding: 6px 10px !important;
}

.cm-completionMatchedText {
    text-decoration: none !important;
    color: var(--accent) !important;
    font-weight: 600;
}

/* ─── Breakdown Tooltips ────────────────────────────── */
.has-tooltip {
    border-bottom: 1px dotted currentColor;
    cursor: help;
}

#breakdown-tooltip {
    position: fixed;
    z-index: 9999;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border-focus);
    padding: 6px 10px;
    font-size: 12px;
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    width: max-content;
    max-width: 350px;
    pointer-events: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    line-height: 1.4;
}

/* ─── Modal Animations ──────────────────────────────── */
#import-modal,
#unsaved-modal,
#export-modal,
#generic-modal {
    animation: fadeIn 0.15s ease-out;
}

#import-modal > div,
#unsaved-modal > div,
#export-modal > div,
#generic-modal > div {
    animation: modalSlideIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.97) translateY(4px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ─── Dirty Indicator ───────────────────────────────── */
#dirty-indicator {
    font-weight: 500;
}

/* ─── Panel Focus Glow ─────────────────────────────── */
#panel-left,
#breakdown-panel,
#tabs-panel {
    position: relative;
}

#panel-left > .relative::after,
#breakdown-panel::after,
#tabs-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 5;
    box-shadow: inset 0 0 12px rgba(232, 162, 93, 0.07), inset 0 0 2px rgba(232, 162, 93, 0.07);
    opacity: 0;
    transition: opacity 0.35s ease;
}

#panel-left:hover > .relative::after,
#breakdown-panel:hover::after,
#tabs-panel:hover::after {
    opacity: 1;
}

/* ─── Breakdown Panel Depth ─────────────────────────── */
#breakdown-panel {
    background: linear-gradient(180deg, rgba(24, 24, 28, 0.2) 0%, transparent 100%);
}