/* VĂN LANG — VUA HÙNG · client styles V0.3
 * Art direction (CLAUDE.md §9 V1.4): MMORPG Việt Nam đời cũ —
 * xanh rêu / xanh lá đậm / nâu gỗ / đồng / vàng cổ.
 * KHÔNG neon, KHÔNG glassmorphism, KHÔNG dashboard hiện đại, KHÔNG gradient bóng mạnh.
 */

:root {
    --moss: #2f4f3f;          /* xanh rêu nền */
    --moss-dark: #22392e;     /* xanh rêu đậm */
    --leaf: #3d6b4f;          /* xanh lá đậm panel */
    --wood: #6b4a2b;          /* nâu gỗ khung */
    --wood-dark: #4a3320;     /* nâu gỗ viền */
    --bronze: #b08d57;        /* đồng */
    --gold: #d4b06a;          /* vàng cổ chữ tiêu đề */
    --parchment: #e8dcc0;     /* chữ sáng */
    --ink: #1c1a15;           /* chữ tối */
    --danger: #a33b2a;        /* lỗi — đỏ nâu cổ, không neon */
    --ok: #5f8f4a;            /* thành công — xanh lá trầm */
}

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

html, body {
    height: 100%;
}

body {
    background: var(--moss-dark);
    color: var(--parchment);
    font-family: Georgia, "Times New Roman", serif;
    display: flex;
    align-items: center;
    justify-content: center;
}

#app {
    width: min(720px, 100vw);
    min-height: min(640px, 100vh);
    display: flex;
    flex-direction: column;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#screen-root {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.loading {
    margin: auto;
    color: var(--bronze);
    letter-spacing: 0.1em;
}

/* ---- khung panel gỗ cổ ---- */

.panel {
    background: var(--moss);
    border: 3px solid var(--wood);
    outline: 1px solid var(--wood-dark);
    border-radius: 4px;
    padding: 24px;
    margin: auto;
    width: min(560px, 92vw);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}

.panel h1 {
    font-size: 1.6rem;
    color: var(--gold);
    text-align: center;
    letter-spacing: 0.14em;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.panel .subtitle {
    text-align: center;
    color: var(--bronze);
    font-size: 0.85rem;
    margin-bottom: 20px;
    letter-spacing: 0.08em;
}

.panel h2 {
    font-size: 1.15rem;
    color: var(--gold);
    margin-bottom: 12px;
    letter-spacing: 0.08em;
}

/* ---- form ---- */

label {
    display: block;
    font-size: 0.85rem;
    color: var(--bronze);
    margin: 10px 0 4px;
    letter-spacing: 0.05em;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 9px 10px;
    background: var(--ink);
    border: 2px solid var(--wood);
    border-radius: 3px;
    color: var(--parchment);
    font-family: inherit;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--bronze);
}

/* ---- nút ---- */

button {
    font-family: inherit;
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    padding: 9px 18px;
    border-radius: 3px;
    border: 2px solid var(--wood-dark);
    background: var(--leaf);
    color: var(--parchment);
    cursor: pointer;
}

button:hover:not(:disabled) {
    background: var(--moss);
    border-color: var(--bronze);
}

button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

button.primary {
    background: var(--wood);
    border-color: var(--bronze);
    color: var(--gold);
    font-weight: bold;
}

button.primary:hover:not(:disabled) {
    background: var(--wood-dark);
}

.btn-row {
    display: flex;
    gap: 10px;
    margin-top: 18px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- message ---- */

.msg {
    margin-top: 14px;
    padding: 9px 12px;
    border-radius: 3px;
    font-size: 0.9rem;
    text-align: center;
    border: 1px solid transparent;
    min-height: 1.2em;
}

.msg.error {
    background: rgba(163, 59, 42, 0.22);
    border-color: var(--danger);
    color: #e5b8ae;
}

.msg.ok {
    background: rgba(95, 143, 74, 0.2);
    border-color: var(--ok);
    color: #cfe0bf;
}

.msg.hidden {
    display: none;
}

/* ---- char select: thẻ nhân vật ---- */

.char-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 12px 0;
}

.char-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--leaf);
    border: 2px solid var(--wood);
    border-radius: 4px;
    padding: 10px 14px;
    cursor: pointer;
}

.char-card:hover {
    border-color: var(--bronze);
}

.char-card.selected {
    border-color: var(--gold);
    background: var(--moss);
}

.char-card .char-name {
    font-size: 1.05rem;
    color: var(--gold);
}

.char-card .char-meta {
    font-size: 0.82rem;
    color: var(--parchment);
    opacity: 0.85;
}

.char-card .char-thumb {
    width: 56px;
    height: 72px;
    background-color: var(--ink);
    background-repeat: no-repeat;
    border: 1px solid var(--wood-dark);
    flex-shrink: 0;
}

.empty-note {
    color: var(--bronze);
    font-style: italic;
    text-align: center;
    padding: 12px 0;
}

/* ---- char create: class/gender card + preview ---- */

.create-layout {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.create-form {
    flex: 1 1 280px;
}

.create-preview {
    flex: 0 0 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.preview-frame {
    width: 200px;
    height: 280px;
    background: var(--ink) url("../../assets/art/nhan_vat.png") no-repeat;
    border: 3px solid var(--wood);
    border-radius: 4px;
    /* background-position/size set động theo atlas region (char-create.js) */
}

.preview-note {
    font-size: 0.72rem;
    color: var(--bronze);
    text-align: center;
    font-style: italic;
    max-width: 210px;
}

.pick-group {
    display: flex;
    gap: 8px;
    margin-top: 4px;
    flex-wrap: wrap;
}

.pick {
    flex: 1 1 90px;
    padding: 10px 8px;
    text-align: center;
    background: var(--leaf);
    border: 2px solid var(--wood);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.pick:hover {
    border-color: var(--bronze);
}

.pick.selected {
    border-color: var(--gold);
    background: var(--moss);
    color: var(--gold);
}

.pick .pick-sub {
    display: block;
    font-size: 0.72rem;
    opacity: 0.75;
    margin-top: 2px;
}

/* ---- game state placeholder (TRUNG THỰC — không fake world) ---- */

.gamestate-panel .info-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 0.92rem;
}

.gamestate-panel .info-table td {
    padding: 6px 10px;
    border-bottom: 1px solid var(--wood-dark);
}

.gamestate-panel .info-table td:first-child {
    color: var(--bronze);
    width: 42%;
}

.gamestate-banner {
    margin-top: 16px;
    padding: 12px;
    border: 2px dashed var(--bronze);
    border-radius: 4px;
    text-align: center;
    color: var(--gold);
    font-size: 0.95rem;
}

/* ---- footer trạng thái kết nối ---- */

.conn-bar {
    margin-top: 12px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--bronze);
    letter-spacing: 0.05em;
    opacity: 0.8;
}

/* ---- mobile ---- */

@media (max-width: 520px) {
    .panel {
        padding: 16px;
    }
    .create-preview {
        flex-basis: 100%;
        align-items: center;
    }
    .preview-frame {
        width: 160px;
        height: 224px;
    }
}

/* ============ V0.4 WORLD SCREEN (ke-hoach §6 B5, master §13 HUD layout) ============ */
/* Art direction giữ nguyên: xanh rêu / nâu gỗ / đồng / vàng cổ — KHÔNG neon. */

/* world screen chiếm toàn màn (vượt khung 720px của #app khi ingame) */
#app:has(.world-screen) {
    width: 100vw;
    min-height: 100vh;
}

.world-screen {
    position: relative;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--moss-dark);
}

.world-stage {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#world-canvas {
    width: min(100%, calc(100vh * 16 / 9));
    aspect-ratio: 16 / 9;
    background: #22301f;
    border: 2px solid var(--wood-dark);
    image-rendering: pixelated;
}

.world-status {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(28, 26, 21, 0.85);
    color: var(--gold);
    padding: 4px 12px;
    font-size: 13px;
    border: 1px solid var(--wood);
    display: none;
}

.world-status:not(:empty) { display: block; }

.world-info { padding: 4px 8px; }

/* ---- HUD overlay (hud.js) ---- */
.vl-hud {
    position: absolute;
    inset: 0;
    pointer-events: none;
    font-family: Georgia, serif;
}

.vl-hud button { pointer-events: auto; }

.vl-hud-top-left {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.vl-avatar {
    width: 44px;
    height: 44px;
    border: 2px solid var(--bronze);
    background: var(--moss);
}

.vl-plinfo { display: flex; flex-direction: column; gap: 2px; }
.vl-plname { color: var(--gold); font-size: 13px; text-shadow: 1px 1px 0 #000; }
.vl-plname .lv { color: var(--parchment); font-size: 11px; }

.vl-bar {
    position: relative;
    width: 150px;
    height: 13px;
    background: rgba(20, 18, 14, 0.8);
    border: 1px solid var(--wood-dark);
}

.vl-bar .fill { height: 100%; }
.vl-bar.hp .fill { background: #7a3a2a; }
.vl-bar.mp .fill { background: #2a4a7a; }
.vl-bar .txt {
    position: absolute;
    inset: 0;
    font-size: 10px;
    text-align: center;
    color: var(--parchment);
    line-height: 13px;
}

.vl-hud-logout {
    margin-top: 4px;
    font-size: 10px;
    background: var(--wood-dark);
    color: var(--parchment);
    border: 1px solid var(--bronze);
    padding: 2px 6px;
    cursor: pointer;
}

.vl-hud-left {
    position: absolute;
    top: 96px;
    left: 10px;
    width: 190px;
}

.vl-quest-tracker {
    background: rgba(28, 26, 21, 0.78);
    border: 1px solid var(--wood-dark);
    padding: 6px 8px;
    font-size: 11px;
}

.vl-quest-tracker .qt-title { color: var(--bronze); }
.vl-quest-tracker .qt-body { color: var(--parchment); opacity: 0.75; margin-top: 2px; }

.vl-hud-top-right {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.vl-minimap {
    border: 2px solid var(--wood);
    background: rgba(20, 28, 20, 0.8);
}

.vl-fn-icons { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; max-width: 300px; }

.vl-fn-icon {
    width: 52px;
    padding: 3px 2px;
    background: var(--moss-dark);
    border: 1px solid var(--wood);
    color: var(--parchment);
    font-size: 9px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    cursor: default;
}

.vl-fn-icon .ic { color: var(--gold); font-size: 13px; }
.vl-fn-icon .st { font-size: 7px; letter-spacing: 0.03em; }
.vl-fn-icon.not-ready { opacity: 0.55; }
.vl-fn-icon.not-ready .st { color: var(--danger); }
.vl-fn-icon.partial .st { color: var(--bronze); }

.vl-hud-bottom-center {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.vl-quickslot.disabled {
    background: rgba(28, 26, 21, 0.7);
    border: 1px dashed var(--wood);
    color: var(--parchment);
    opacity: 0.6;
    font-size: 10px;
    padding: 6px 14px;
}

.vl-hud-bottom-left {
    position: absolute;
    bottom: 24px;
    left: 24px;
}

.vl-joystick {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    border: 2px solid var(--wood);
    background: rgba(34, 57, 46, 0.5);
    position: relative;
    pointer-events: auto;
    touch-action: none;
}

.vl-joystick .knob {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 44px;
    height: 44px;
    margin: -22px 0 0 -22px;
    border-radius: 50%;
    background: var(--bronze);
    border: 2px solid var(--wood-dark);
    transition: transform 0.05s linear;
}

.vl-hud-bottom-right {
    position: absolute;
    bottom: 24px;
    right: 24px;
    display: flex;
    gap: 6px;
    align-items: flex-end;
}

.vl-combat-btn {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: 2px solid var(--wood);
    background: var(--moss);
    color: var(--parchment);
    font-size: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    position: relative;
}

.vl-combat-btn .badge {
    font-size: 7px;
    color: var(--danger);
    letter-spacing: 0.02em;
}

.vl-combat-btn.not-ready { opacity: 0.6; cursor: not-allowed; }

.vl-hud-notices {
    position: absolute;
    bottom: 96px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(28, 26, 21, 0.88);
    border: 1px solid var(--bronze);
    color: var(--gold);
    padding: 5px 12px;
    font-size: 12px;
    display: none;
    max-width: 70%;
    text-align: center;
}

/* ============================================================
   V0.4 PHẦN 4/5 — HUD/UI/Control (ảnh reference PHẦN 4/5: layout & style
   only; module chưa code = disabled/NOT_READY rõ chữ, không fake)
   ============================================================ */

/* buff/debuff row (rỗng ở V0.4 — hệ thống buff NOT_READY) */
.vl-buffs { display: flex; gap: 3px; min-height: 12px; margin-top: 2px; }

/* quest tracker: 2 slot placeholder + toggle thu gọn */
.vl-quest-tracker .qt-title {
    display: flex; justify-content: space-between; align-items: center;
}
.vl-quest-tracker .qt-toggle {
    cursor: pointer; color: var(--parchment); padding: 0 4px;
    border: 1px solid var(--wood-dark);
}
.vl-quest-tracker .qt-slot {
    margin-top: 3px; padding: 2px 4px;
    border-left: 2px solid var(--wood-dark);
    color: var(--parchment); opacity: 0.7;
}
.vl-quest-tracker.collapsed .qt-body { display: none; }

/* target panel — top center (dữ liệu thật từ V0.5 combat) */
.vl-hud-target {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 220px;
    pointer-events: none;
}
.vl-hud-target .tp-inner {
    background: rgba(28, 26, 21, 0.82);
    border: 1px solid var(--bronze);
    padding: 4px 8px;
    font-size: 11px;
}
.vl-hud-target .tp-name { color: var(--gold); }
.vl-hud-target .tp-hp { margin-top: 3px; }
.vl-hud-target .tp-inner.not-ready { opacity: 0.55; }

/* quick slot bottom center: HP/MP/3 item/inventory — disabled */
.vl-quickslot {
    display: flex; gap: 5px; justify-content: center;
}
.vl-qs {
    width: 38px; height: 38px;
    background: rgba(28, 26, 21, 0.8);
    border: 1px solid var(--wood);
    color: var(--parchment);
    font-size: 10px;
    display: flex; align-items: center; justify-content: center;
}
.vl-qs.not-ready { opacity: 0.5; cursor: not-allowed; }

/* responsive compact (<720px): thu HUD, giữ vùng giữa thoáng */
.vl-hud.vl-compact .vl-hud-left { width: 140px; top: 84px; }
.vl-hud.vl-compact .vl-quest-tracker { font-size: 10px; }
.vl-hud.vl-compact .vl-hud-target { width: 160px; }
.vl-hud.vl-compact .vl-fn-icons { gap: 3px; }
.vl-hud.vl-compact .vl-fn-icon { width: 34px; }
.vl-hud.vl-compact .vl-qs { width: 30px; height: 30px; }
.vl-hud.vl-compact .vl-combat-btn { width: 44px; height: 44px; }

/* V0.5 combat: cooldown overlay + thiếu mana + death overlay */
.vl-combat-btn { position: relative; overflow: hidden; }
.vl-combat-btn .cd-fill {
    position: absolute; left: 0; bottom: 0; width: 100%;
    background: rgba(20, 24, 18, 0.62);
    pointer-events: none;
}
.vl-combat-btn.no-mana { opacity: 0.45; cursor: not-allowed; }
.vl-death-overlay {
    position: absolute; inset: 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 6px;
    background: rgba(18, 12, 8, 0.6);
    color: var(--parchment); z-index: 30;
}
.vl-death-overlay .do-txt { font-size: 22px; color: var(--gold); letter-spacing: 2px; }
.vl-death-overlay .do-sub { font-size: 13px; opacity: 0.85; }

/* V0.6 PART 1: EXP bar (cmd 46) — tone vàng cổ, mảnh hơn HP/MP */
.vl-bar.exp { height: 4px; margin-top: 2px; }
.vl-bar.exp .fill { background: #d4b06a; }
.vl-bar.exp .txt { font-size: 9px; line-height: 1; color: var(--parchment); opacity: 0.9; }

/* ================= V0.6 PART 2: INVENTORY PANEL (cmd 47/48/49/50) =================
   DOM overlay pattern hud.js — server-authoritative (panel chỉ render).
   Tone cổ điển §14: nâu gỗ + đồng + da parch. Icon material = placeholder
   khung màu rarity (chưa có atlas icon material — TRUNG THỰC). */
.vl-inv-panel {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: min(560px, 92vw); max-height: 86vh;
    z-index: 40;
}
.vl-inv-inner {
    background: rgba(28, 24, 18, 0.96);
    border: 2px solid var(--wood);
    box-shadow: 0 0 0 1px var(--bronze), 0 10px 30px rgba(0, 0, 0, 0.5);
    padding: 8px 10px;
    display: flex; flex-direction: column; gap: 6px;
}
.vl-inv-head {
    display: flex; align-items: center; gap: 8px;
    border-bottom: 1px solid var(--wood); padding-bottom: 6px;
}
.vl-inv-title { color: var(--gold); letter-spacing: 2px; font-size: 13px; }
.vl-inv-count { color: var(--parchment); font-size: 11px; opacity: 0.85; }
.vl-inv-close {
    margin-left: auto; background: none; border: 1px solid var(--wood);
    color: var(--parchment); cursor: pointer; padding: 2px 8px;
}
.vl-inv-close:hover { border-color: var(--bronze); color: var(--gold); }
.vl-inv-tabs { display: flex; flex-wrap: wrap; gap: 4px; }
.vl-inv-tab {
    background: var(--moss-dark); border: 1px solid var(--wood);
    color: var(--parchment); font-size: 9px; letter-spacing: 0.4px;
    padding: 3px 7px; cursor: pointer;
}
.vl-inv-tab.active { border-color: var(--gold); color: var(--gold); }
.vl-inv-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 4px;
    overflow-y: auto; max-height: 46vh;
    padding: 2px;
}
.vl-inv-slot {
    position: relative;
    aspect-ratio: 1;
    background: rgba(20, 18, 14, 0.85);
    border: 1px solid #4a4438;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.vl-inv-slot:hover { border-color: var(--bronze); }
.vl-inv-slot.locked { background: rgba(38, 32, 24, 0.9); }
.vl-inv-icon.mat {
    width: 70%; height: 70%;
    border: 2px solid; /* màu rarity inline */
    display: flex; align-items: center; justify-content: center;
    color: var(--parchment); font-size: 15px; font-weight: bold;
    background: rgba(45, 40, 30, 0.6);
}
.vl-inv-qty {
    position: absolute; right: 2px; bottom: 1px;
    color: var(--parchment); font-size: 10px; font-weight: bold;
    text-shadow: 0 1px 2px #000;
}
.vl-inv-enh {
    position: absolute; left: 2px; top: 1px;
    color: var(--gold); font-size: 10px; font-weight: bold;
    text-shadow: 0 1px 2px #000;
}
.vl-inv-lock {
    position: absolute; right: 1px; top: 0;
    font-size: 10px;
}
.vl-inv-foot {
    display: flex; align-items: center; gap: 10px;
    border-top: 1px solid var(--wood); padding-top: 6px;
}
.vl-inv-sort {
    background: var(--moss-dark); border: 1px solid var(--bronze);
    color: var(--gold); font-size: 10px; padding: 4px 10px; cursor: pointer;
}
.vl-inv-sort:hover { border-color: var(--gold); }
.vl-inv-note { color: var(--parchment); font-size: 9px; opacity: 0.6; }

/* compact mode (mobile) — HUD pattern vl-compact */
.vl-compact .vl-inv-panel { width: 96vw; }
.vl-compact .vl-inv-grid { grid-template-columns: repeat(6, 1fr); max-height: 40vh; }