/* OGame Trade Calculator — V2 UI (high contrast, readable) */

/* ─── Accessibility defaults ────────────────────────────────────────── */
:focus-visible {
    outline: 3px solid rgba(126, 200, 255, 0.95);
    outline-offset: 3px;
}

.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;
}

.skip-link {
    position: absolute;
    left: 12px;
    top: 12px;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 10px 12px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    text-decoration: none;
    transform: translateY(-200%);
    transition: transform 0.2s ease;
    z-index: 9999;
}
.skip-link:focus {
    transform: translateY(0);
}

:root {
    /* Page */
    --bg-dark: #070a0f;
    --bg-mid: #0c1118;
    --bg-elevated: #121a24;
    --bg-input: #0d1219;

    /* Surfaces (panels above page bg) */
    --panel-bg: #141c28;
    --panel-bg-solid: #141c28;
    --panel-border: rgba(255, 255, 255, 0.12);
    --panel-border-strong: rgba(255, 255, 255, 0.2);
    --panel-inset: rgba(0, 0, 0, 0.35);

    /* Accent (amber — readable on dark, glow only on interaction) */
    --primary: #ffb04a;
    --primary-hover: #ffc266;
    --primary-muted: rgba(255, 176, 74, 0.15);
    --primary-glow: rgba(255, 176, 74, 0.45);

    --secondary: #e8c84a;
    --secondary-dim: rgba(232, 200, 74, 0.12);

    /* Text — WCAG-friendly on --panel-bg */
    --text-main: #f0f4f8;
    --text-on-panel: #e8edf4;
    --text-muted: #9aa7b8;
    --text-label: #b8c4d4;
    --text-faint: #6b7788;

    /* Resource hues (used by script.js inline + CSS) */
    --metal: #b4bcc8;
    --crystal: #7ec8ff;
    --deuterium: #5ee397;

    /* Focus */
    --focus-ring: 0 0 0 3px rgba(126, 200, 255, 0.45);

    --font-tech: "Rajdhani", sans-serif;
    --font-body: "Inter", sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-panel: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

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

body {
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(ellipse 120% 80% at 50% -20%, rgba(100, 160, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(255, 140, 60, 0.06) 0%, transparent 40%),
        linear-gradient(180deg, var(--bg-mid) 0%, var(--bg-dark) 100%);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    margin: 0;
    padding: 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

.background-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 85% 15%, rgba(255, 159, 67, 0.06) 0%, transparent 35%);
    z-index: -1;
    pointer-events: none;
}

.container {
    width: min(1100px, 100%);
    margin: 0 auto;
    position: relative;
    z-index: 2;
    padding-bottom: 48px;
    flex: 1;
}

/* ---------- Header ---------- */
.header-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--panel-border-strong);
    flex-wrap: wrap;
    gap: 16px;
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.main-title {
    font-family: var(--font-tech);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.04em;
    color: var(--text-on-panel);
}

.highlight {
    color: var(--primary);
    text-shadow: none;
}

.v-tag {
    font-size: 0.5em;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    vertical-align: middle;
    margin-left: 10px;
    font-weight: 600;
    background: var(--primary-muted);
}

.home-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--panel-border-strong);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-size: 1.15rem;
    transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
    text-decoration: none;
    background: var(--bg-elevated);
}

.home-btn:hover {
    background: var(--primary-muted);
    border-color: var(--primary);
    color: var(--primary-hover);
    box-shadow: 0 0 20px rgba(255, 176, 74, 0.25);
}

.home-btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.btn-donate-header {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 18px;
    background: var(--secondary-dim);
    border: 1px solid var(--secondary);
    color: #f5e6a8;
    border-radius: 999px;
    text-decoration: none;
    font-family: var(--font-tech);
    font-weight: 700;
    font-size: 0.8125rem;
    letter-spacing: 0.04em;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.btn-donate-header:hover {
    background: rgba(232, 200, 74, 0.22);
    color: #fffbeb;
    box-shadow: 0 4px 24px rgba(232, 200, 74, 0.25);
}

.btn-donate-header:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.lang-select {
    min-height: 44px;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--panel-border-strong);
    color: var(--text-label);
    font-family: var(--font-tech);
    font-weight: 700;
    font-size: 0.9375rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

.lang-select:hover {
    border-color: var(--primary);
    color: var(--text-on-panel);
}

.lang-select:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.lang-select option {
    background-color: var(--bg-input);
    color: var(--text-on-panel);
}

/* Ratio bar resource icon colors */
.text-met {
    color: var(--metal);
}
.text-cry {
    color: var(--crystal);
}
.text-deu {
    color: var(--deuterium);
}

/* ---------- Ratio bar ---------- */
.ratio-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 18px 20px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-panel);
}

.ratio-label {
    font-family: var(--font-tech);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.08em;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.ratio-inputs {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.r-group {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-input);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--panel-border);
}

.input-ratio {
    width: 56px;
    min-height: 36px;
    background: var(--bg-elevated);
    border: 1px solid var(--panel-border-strong);
    color: var(--text-on-panel);
    font-family: var(--font-tech);
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    border-radius: 6px;
}

.input-ratio:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-muted);
}

.colon {
    font-size: 1.25rem;
    color: var(--text-label);
    font-weight: 700;
}

/* ---------- Main grid & panels ---------- */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}

.glass-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 22px 22px 24px;
    box-shadow: var(--shadow-panel);
    display: flex;
    flex-direction: column;
}

.panel-title {
    margin: 0 0 18px;
    font-family: var(--font-tech);
    color: var(--primary);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 12px;
}

.panel-title i {
    opacity: 0.95;
    margin-right: 6px;
}

/* ---------- Inputs ---------- */
.trade-input-section label,
.mix-input-section label,
.trade-results > label {
    display: block;
    color: var(--text-label);
    font-size: 0.8125rem;
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.input-group-large {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.select-cyber {
    min-height: 48px;
    background: var(--bg-input);
    border: 1px solid var(--panel-border-strong);
    color: var(--text-on-panel);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-tech);
    font-size: 1rem;
    font-weight: 600;
    width: 120px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.select-cyber:focus-visible {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}

.input-cyber-large {
    flex: 1;
    min-width: 0;
    min-height: 48px;
    background: var(--bg-input);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 10px 14px;
    font-family: var(--font-tech);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-align: right;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.input-cyber-large::placeholder {
    color: var(--text-faint);
}

.input-cyber-large:focus {
    outline: none;
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 3px var(--primary-muted), 0 0 24px rgba(255, 176, 74, 0.15);
}

.trade-arrow {
    text-align: center;
    margin: 18px 0;
    font-size: 1.35rem;
    color: var(--text-muted);
    opacity: 0.85;
}

/* ---------- Direct trade results ---------- */
.trade-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.res-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    background: var(--panel-inset);
    border: 1px solid var(--panel-border);
    transition: border-color 0.2s, transform 0.2s;
}

.res-card:hover {
    border-color: var(--panel-border-strong);
    transform: translateX(4px);
}

.result-met .icon-box {
    color: var(--metal);
    border-color: var(--metal);
}
.result-cry .icon-box {
    color: var(--crystal);
    border-color: var(--crystal);
}
.result-deu .icon-box {
    color: var(--deuterium);
    border-color: var(--deuterium);
}

.icon-box {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 50%;
    border: 2px solid;
}

.res-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.res-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.res-val {
    font-family: var(--font-tech);
    font-size: clamp(1.5rem, 4vw, 1.85rem);
    font-weight: 700;
    color: var(--text-on-panel);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

/* ---------- Split panel ---------- */
.desc-text {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.55;
}

.split-controls {
    margin: 20px 0;
    background: var(--panel-inset);
    padding: 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--panel-border);
}

.split-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--text-on-panel);
    font-family: var(--font-tech);
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

/* ---------- Range / slider ---------- */
.range-wrapper {
    position: relative;
    padding: 14px 0 8px;
}

.neon-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--crystal) 0%, var(--deuterium) 100%);
    outline: none;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35) inset;
}

.neon-slider:focus-visible {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35) inset, var(--focus-ring);
}

.neon-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    border: 3px solid var(--bg-dark);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.neon-slider::-moz-range-track {
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--crystal) 0%, var(--deuterium) 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35) inset;
}

.neon-slider::-moz-range-thumb {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    border: 3px solid var(--bg-dark);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.range-values {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: var(--font-tech);
    color: var(--text-label);
}

.pct-val {
    font-variant-numeric: tabular-nums;
}

/* ---------- Split results ---------- */
.split-results {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
}

.res-card-small {
    flex: 1;
    min-width: 0;
    background: var(--panel-inset);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-md);
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: border-color 0.2s;
}

.icon-small {
    font-size: 1.35rem;
    margin-bottom: 8px;
    line-height: 1;
}

.res-mini-lbl {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.res-mini-val {
    font-size: 1.35rem;
    font-family: var(--font-tech);
    font-weight: 700;
    color: var(--text-on-panel);
    word-break: break-all;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
    margin-top: 4px;
}

.plus-sign {
    font-size: 1.5rem;
    color: var(--text-label);
    font-weight: 700;
    align-self: center;
    flex-shrink: 0;
    padding: 0 4px;
}

.color-met {
    color: var(--metal);
}
.color-cry {
    color: var(--crystal);
}
.color-deu {
    color: var(--deuterium);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    body {
        padding: 12px;
    }

    .main-grid {
        grid-template-columns: 1fr;
    }

    .ratio-bar {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .ratio-inputs {
        justify-content: center;
    }

    .header-section {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .input-group-large {
        flex-direction: column;
    }

    .select-cyber {
        width: 100%;
    }

    .split-results {
        flex-direction: column;
    }

    .plus-sign {
        transform: rotate(90deg);
        padding: 4px 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }

    .res-card:hover {
        transform: none;
    }
}

/* ── 360–480px tweaks ─────────────────────────────────────── */
@media (max-width: 480px) {
    body { padding: 8px; }

    .container { width: 100%; padding-bottom: 32px; }

    .ratio-bar { padding: 12px; gap: 10px; }

    .r-group { flex-wrap: wrap; gap: 6px; }

    .input-ratio { width: 48px; font-size: 1.1rem; }

    .res-mini-val { font-size: 1.15rem; }

    .split-results { flex-direction: column; }

    .plus-sign { transform: rotate(90deg); padding: 4px 0; }
}

/* ── ui-mobile overrides ──────────────────────────────────── */
/* ═══════════════════════════════════════════════════════════
   GENUINE MOBILE UI — body.ui-mobile (Ogame-Trade)
   ═══════════════════════════════════════════════════════════ */

/* Layout — stacked panels */
body.ui-mobile .main-grid { grid-template-columns: 1fr !important; gap: 14px !important; }

/* Ratio bar — readable */
body.ui-mobile .ratio-bar {
    flex-direction: column !important;
    align-items: stretch !important;
    text-align: center !important;
    padding: 16px !important;
    border-radius: 14px !important;
}
body.ui-mobile .ratio-label {
    font-size: 1rem !important;
    margin-bottom: 10px !important;
}
body.ui-mobile .ratio-inputs {
    justify-content: center !important;
    gap: 16px !important;
}
body.ui-mobile .r-group { padding: 10px 14px !important; }
body.ui-mobile .input-ratio {
    width: 72px !important;
    min-height: 52px !important;
    font-size: 1.6rem !important;
}
body.ui-mobile .colon { font-size: 1.5rem !important; }

/* Trade input */
body.ui-mobile .input-group-large { flex-direction: column !important; gap: 10px !important; }
body.ui-mobile .input-cyber-large {
    min-height: 56px !important;
    font-size: 1.6rem !important;
    text-align: left !important;
    border-radius: 12px !important;
}
body.ui-mobile .select-cyber {
    width: 100% !important;
    min-height: 52px !important;
    font-size: 1rem !important;
}
body.ui-mobile .trade-arrow {
    font-size: 1.5rem !important;
    margin: 14px 0 !important;
}

/* Result cards — BIG numbers */
body.ui-mobile .res-card {
    padding: 18px 16px !important;
    border-radius: 14px !important;
    gap: 14px !important;
}
body.ui-mobile .icon-box {
    width: 52px !important;
    height: 52px !important;
    font-size: 1.4rem !important;
}
body.ui-mobile .res-val {
    font-size: 2.2rem !important;
    line-height: 1.1 !important;
}
body.ui-mobile .res-name {
    font-size: 0.8rem !important;
    margin-bottom: 4px !important;
}

/* Split panel */
body.ui-mobile .split-controls {
    padding: 20px !important;
    border-radius: 14px !important;
}
body.ui-mobile .split-labels {
    font-size: 1.1rem !important;
}
body.ui-mobile .split-results {
    flex-direction: column !important;
    gap: 12px !important;
}
body.ui-mobile .plus-sign {
    transform: rotate(90deg) !important;
    padding: 4px 0 !important;
    font-size: 1.8rem !important;
}
body.ui-mobile .res-card-small {
    padding: 18px 14px !important;
    border-radius: 14px !important;
}
body.ui-mobile .res-mini-val {
    font-size: 2rem !important;
    margin-top: 6px !important;
}
body.ui-mobile .icon-small {
    font-size: 1.5rem !important;
}

/* Panel titles */
body.ui-mobile .panel-title {
    font-size: 1.15rem !important;
    padding-bottom: 14px !important;
    margin-bottom: 14px !important;
}