@import "theme.css";
@import "inputs.css";
@import "legend.css";

/* =============================================================================
   RESET & BASE
   ============================================================================= */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: var(--color-ink);
    /* background: radial-gradient(circle at 100% 0%, #909085 50%, var(--color-bg) 45%); */
    transition: background-color 160ms ease, color 160ms ease;
    background: radial-gradient(circle at 0% 0%, var(--color-page-glow) 0%, var(--color-bg) 60%);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: filled;
    min-height: 100vh;
}

/* =============================================================================
   LINKS
   ============================================================================= */

a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1.5px;
}

a:visited {
    color: var(--color-accent);
    opacity: 0.92;
}

a:hover,
a:focus {
    color: var(--color-accent);
    text-decoration-thickness: 2px;
    outline: 2px solid transparent;
    outline-offset: 3px;
}

/* improve focus visibility for keyboard users */
a:focus {
    outline-color: var(--color-accent);
}

/* =============================================================================
LAYOUT
============================================================================= */

.wrap {
    max-width: 1600px;
    margin: var(--space-top) auto var(--space);
    padding: 0 var(--space) var(--space);
    display: grid;
    gap: var(--space);
    grid-template-columns: 1fr;
}

.panel {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--space);
    box-shadow: 0 6px 18px var(--color-shadow);
}

.panel-header-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space);
}

/* ensure content below the header starts on a new line (not beside a tall logo) */
.panel-header-row {
    margin-bottom: calc(var(--space) * 0.5);
}

.header-actions {
    justify-self: end;
    display: flex;
    gap: var(--small-gap);
    align-items: center;
}

/* Center the title and allow wrapping */
.panel-header-row>h1 {
    justify-self: center;
    min-width: 0;
    margin: 0;
    overflow-wrap: break-word;
}

/* Logo in the top header */
.site-logo {
    height: 64px;
    width: auto;
    display: inline-block;
}

h1 {
    margin: 0 0 0.4rem;
    font-size: 1.4rem;
}

/* =============================================================================
BUTTONS & TOOLBAR
============================================================================= */

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space);
    align-items: center;
    margin-top: var(--small-gap);
    margin-bottom: var(--small-gap);
}

/* Align the grouped view controls to the right side of the toolbar */
.view-controls {
    margin-left: auto;
    display: inline-flex;
    gap: var(--small-gap);
    align-items: center;
}

button {
    border: 0;
    background: var(--color-accent);
    color: #fff;
    border-radius: 9px;
    padding: 0.58rem 0.95rem;
    cursor: pointer;
    font-weight: 600;
}

button.secondary {
    background: var(--color-secondary-button);
}

.status {
    font-size: 0.92rem;
    min-height: 1.2em;
}

.history-controls {
    display: inline-flex;
    align-items: center;
    gap: var(--small-gap);
}

.history-position {
    min-width: 3.4rem;
    text-align: center;
    font-size: 0.88rem;
    color: var(--color-muted);
}

/* =============================================================================
   VIEWPORT & CANVAS
   ============================================================================= */

.viewport {
    margin-top: var(--section-gap);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-surface);
    min-height: 420px;
    overflow: hidden;
    position: relative;
    touch-action: none;
    cursor: grab;
}

.result-main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space);
    align-items: start;
}

.result-main-layout .viewport {
    margin-top: 0;
}

.canvas {
    transform-origin: 0 0;
    will-change: transform;
}

.meta {
    margin-top: 0.6rem;
    font-size: 0.87rem;
    opacity: 0.84;
    word-break: break-all;
}

.hint {
    margin-top: 0.5rem;
}

/* Footer download spacing */
.download-footer {
    margin-top: var(--stack-gap);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--medium-gap);
}

/* =============================================================================
RESPONSIVE
============================================================================= */

@media (min-width: 980px) {
    .grid {
        grid-template-columns: 1fr 1fr;
    }

    textarea {
        min-height: 200px;
    }
}

@media (min-width: 1024px) {
    .result-main-layout {
        grid-template-columns: minmax(0, 1fr) 250px;
    }
}