/* ==========================================================================
   Last War Tools — Site-wide styles
   CSS custom properties are the single source of truth for theming.
   ========================================================================== */

/* --- Variables ----------------------------------------------------------- */
:root {
    --bg-base:       #0d0f12;
    --bg-surface:    #1a1d23;
    --bg-card:       #1e2228;
    --bg-card-hover: #252a32;

    --accent:        #e8932a;
    --accent-hover:  #f5a840;
    --accent-dim:    rgba(232, 147, 42, 0.15);

    --green:         #4a7c59;
    --green-hover:   #5a9c6e;

    --text-primary:  #e8eaf0;
    --text-secondary:#8b90a8;
    --text-muted:    #565a6e;

    --border:        #2a2e3a;
    --border-accent: rgba(232, 147, 42, 0.4);

    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  12px;

    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.6);

    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', monospace;

    --container-max: 1200px;
    --container-pad: clamp(1rem, 4vw, 2rem);
}

/* --- Reset & Base -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-base);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

/* --- Layout -------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.site-main {
    flex: 1;
    padding-block: 2rem;
}

/* --- Header -------------------------------------------------------------- */
.site-header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    height: 60px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.site-logo:hover { color: var(--accent); }

.logo-icon { font-size: 1.4rem; }

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
}

.site-nav a {
    color: var(--text-secondary);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: color 0.15s, background 0.15s;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--text-primary);
    background: var(--accent-dim);
}

.site-nav a.active { color: var(--accent); }

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: auto;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 640px) {
    .nav-toggle { display: flex; }

    .site-nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border);
        padding: 0.5rem;
        gap: 0.25rem;
    }

    .site-nav.open { display: flex; }
    .site-nav a { padding: 0.6rem 1rem; }
}

/* --- Footer -------------------------------------------------------------- */
.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding-block: 1.5rem;
    text-align: center;
}

.footer-brand {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.footer-note {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-version {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-family: var(--font-mono);
}

/* --- Homepage hero ------------------------------------------------------- */
.hero {
    text-align: center;
    padding-block: 3rem;
}

.hero-title {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.hero-title em {
    color: var(--accent);
    font-style: normal;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-inline: auto;
}

/* --- Tool card grid ----------------------------------------------------- */
.tools-section {
    margin-top: 2rem;
}

.tools-section-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.15s;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    box-shadow: var(--shadow-card);
}

.tool-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    text-decoration: none;
}

.tool-card-icon {
    font-size: 2rem;
    line-height: 1;
}

.tool-card-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.tool-card-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    flex: 1;
}

.tool-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.25rem;
}

.tag {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid var(--border-accent);
}

.tool-card.coming-soon {
    opacity: 0.6;
    cursor: default;
    pointer-events: none;
}

.badge-soon {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: rgba(74, 124, 89, 0.2);
    color: var(--green);
    border: 1px solid rgba(74, 124, 89, 0.4);
}

/* --- Empty state --------------------------------------------------------- */
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}

.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h2   { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.empty-state p    { font-size: 0.9rem; }

/* --- Tool page wrapper -------------------------------------------------- */
.tool-page {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.tool-page-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.tool-page-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-page-desc {
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- Full-bleed tool layout (e.g. Map Planner) --------------------------- */
body.tool-fullbleed {
    height: 100vh;
    overflow: hidden;
}

body.tool-fullbleed .site-main {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* --- Utility ------------------------------------------------------------- */
.hidden { display: none !important; }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}