/* static/style.css */

body {
    margin: 0;
    overflow: hidden;
    cursor: pointer;
    font-family: sans-serif;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 0;
    display: block;
}

#label-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.health-bar-container {
    width: 50px;
    height: 6px;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid #333;
    border-radius: 2px;
}

.health-bar-fill {
    height: 100%;
    background-color: #dc3545;
    width: 100%;
    transition: width 0.2s ease-in-out;
}

.item-label {
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 14px;
    text-shadow: 1px 1px 2px black;
}

/* Container for damage numbers */
#damage-number-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Make it unclickable */
    z-index: 3; /* Above crosshair */
}

/* Damage Number Styling (for screen-space) */
.damage-number {
    position: absolute; /* Crucial for positioning */
    color: white;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 1px 1px 3px black;
    pointer-events: none;
    animation: floatUpAndFade 1s forwards;
    transform: translateX(-50%); /* Center the number horizontally */
}

.damage-number.headshot {
    color: #ffd700;
    font-size: 24px;
}

@keyframes floatUpAndFade {
    from {
        opacity: 1;
        transform: translate(-50%, 0);
    }
    to {
        opacity: 0;
        transform: translate(-50%, -40px); /* Move up 40px */
    }
}

.crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 30px;
    color: white;
    text-shadow: 1px 1px 2px black;
    pointer-events: none;
    z-index: 2;
}

#hit-marker {
    color: #ff4d4d; /* สีแดงสด */
    font-size: 24px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.1s ease-out;
}

/* HUD Layout */
/* ======================================== */
/* === ลบโค้ดส่วนเก่าตั้งแต่ .hud ถึง #highscore === */
/* ======================================== */

/* แล้วแทนที่ด้วยโค้ดชุดใหม่นี้ทั้งหมด */

/* HUD Layout - NEW AND IMPROVED */
.hud {
    position: absolute;
    top: 20px;
    color: #f0f0f0; /* ปรับเป็นสีขาวนวล อ่านง่ายขึ้น */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7); /* เพิ่มเงาให้เข้มขึ้น */
    pointer-events: none;
    z-index: 2;
    padding: 12px 16px;
    background-color: rgba(0, 0, 0, 0.35); /* ทำให้พื้นหลังเข้มขึ้นเล็กน้อย */
    border: 1px solid rgba(255, 255, 255, 0.1); /* เพิ่มขอบบางๆ */
    border-radius: 8px;
    line-height: 1.5; /* เพิ่มระยะห่างระหว่างบรรทัด */
    min-width: 220px; /* กำหนดความกว้างขั้นต่ำให้เท่ากัน */
}

#hud-top-left {
    left: 20px;
}

#hud-top-right {
    right: 20px;
    text-align: right;
}

/* --- จัดลำดับความสำคัญของข้อมูล --- */

/* ข้อมูลสำคัญที่สุด: HP และ Ammo */
#health,
#ammo {
    font-size: 26px; /* ใหญ่และเด่นที่สุด */
    font-weight: 700; /* ตัวหนา */
}

/* ข้อมูลสำคัญรองลงมา: Score และชื่ออาวุธ */
#score,
#weapon {
    font-size: 22px;
}

#weapon {
    font-weight: 700;
    margin-bottom: 4px; /* ปรับระยะห่างเล็กน้อย */
}

/* ข้อมูลสถานะและทรัพยากร */
#wave,
#kills {
    font-size: 18px;
    color: #cccccc; /* ทำให้สีดรอปลงเล็กน้อย */
}

/* ทำให้จำนวนระเบิดเด่นขึ้นด้วยสีเขียวที่สดใส */
#grenades {
    font-size: 20px;
    font-weight: bold;
    color: #a2ff99; /* สีเขียวมิ้นท์ที่ดูทันสมัย */
}

/* ทำให้จำนวนศัตรูเป็นเหมือนการ "เตือน" ด้วยสีเหลือง */
#enemy-count {
    font-size: 18px;
    font-weight: 700;
    color: #ffdd00; /* สีเหลืองทอง */
}

/* ข้อมูลที่ไม่สำคัญมากระหว่างเล่น: High Score */
#highscore {
    font-size: 16px;
    color: #aaaaaa; /* สีเทา */
    opacity: 0.8;
    margin-top: 8px;
}


/* ======================================== */
/* === โค้ดส่วนอื่นๆ ที่เหลือคงเดิม === */
/* ======================================== */

#paused-overlay,
#center-message,
#gameover-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-family: sans-serif;
    text-shadow: 2px 2px 8px black;
    z-index: 4;
    text-align: center;
    pointer-events: none;
}

#paused-overlay {
    font-size: 42px;
}

#center-message {
    font-size: 48px;
}

#gameover-overlay {
    font-size: 56px;
}

.blurred {
    filter: blur(6px);
}

#debug-pos {
    position: absolute;
    bottom: 12px;
    left: 12px;
    color: #0f0;
    font-family: monospace;
    font-size: 14px;
    text-shadow: 1px 1px 2px #000;
    z-index: 3;
}

#damage-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(255, 0, 0, 0.0);
    pointer-events: none;
    transition: background 0.2s ease;
    z-index: 1;
}

#start-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.45);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
}

.menu-content {
    background: rgba(30, 30, 30, 0.85);
    padding: 48px 64px;
    border-radius: 16px;
    box-shadow: 0 8px 32px #0008;
    text-align: center;
}

#start-btn {
    font-size: 2rem;
    padding: 12px 48px;
    border-radius: 8px;
    border: none;
    background: #4CAF50;
    color: white;
    margin-top: 24px;
    cursor: pointer;
    transition: background 0.2s;
}

#start-btn:hover {
    background: #388e3c;
}

#menu-highscore {
    color: #fff;
    margin-top: 18px;
    font-size: 1.2rem;
}

.menu-content h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

#stamina-container {
    width: 150px;
    height: 12px;
    background-color: rgba(50, 50, 50, 0.7);
    border: 1px solid #333;
    border-radius: 4px;
    margin-top: 5px;
}

#stamina-bar {
    width: 100%;
    height: 100%;
    background-color: #ffd700;
    border-radius: 3px;
    transition: width 0.1s linear;
}

/* START: เพิ่มสไตล์สำหรับคู่มือการเล่น */
#how-to-play-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    font-family: sans-serif;
    color: #eee;
}

.how-to-play-content {
    background: rgba(20, 20, 25, 0.9);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid #444;
    box-shadow: 0 10px 40px #000a;
    width: 95%;
    max-width: 1100px;
    text-align: center;
}

.how-to-play-content h1 {
    font-size: 2.5rem;
    color: #4CAF50;
    margin-bottom: 24px;
}

.guide-container {
    display: flex;
    gap: 24px;
    text-align: left;
    margin-bottom: 32px;
}

.guide-section {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 8px;
    flex: 1;
}

.guide-section h3 {
    font-size: 1.4rem;
    color: #87ceeb;
    margin-top: 0;
    border-bottom: 1px solid #555;
    padding-bottom: 8px;
    margin-bottom: 16px;
}

.guide-section ul {
    list-style: none;
    padding: 0;
}

.guide-section li {
    margin-bottom: 12px;
    line-height: 1.5;
}

.guide-section kbd {
    background-color: #555;
    border-radius: 3px;
    border: 1px solid #777;
    padding: 2px 6px;
    font-family: monospace;
    font-size: 0.9em;
}

.swatch {
    display: inline-block;
    width: 1em;
    height: 1em;
    border-radius: 3px;
    margin-right: 8px;
    vertical-align: middle;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

#continue-to-game-btn {
    font-size: 1.8rem;
    padding: 16px 64px;
    border-radius: 8px;
    border: none;
    background: #c62828;
    color: white;
    cursor: pointer;
    transition: background 0.2s;
}

#continue-to-game-btn:hover {
    background: #d32f2f;
}
/* Shop Styling - Horizontal Layout */
#shop-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    font-family: sans-serif;
}

.shop-content {
    background: rgba(20, 20, 25, 0.9);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid #444;
    box-shadow: 0 10px 40px #000a;
    text-align: center;
    color: #eee;
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    overflow-y: auto;
}

.shop-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.shop-header h2 {
    font-size: 2.2rem;
    color: #4CAF50;
    margin: 0;
    text-shadow: 1px 1px 3px #000;
}

.shop-money {
    font-size: 1.4rem;
    color: #ffd700;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 16px;
    border-radius: 6px;
}

.shop-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

/* Consumables Row */
.consumables-row {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Permanent Upgrades Grid (2 rows) */
.permanent-upgrades {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    justify-content: center;
}

.shop-section-title {
    color: #aaa;
    border-bottom: 1px solid #555;
    padding-bottom: 8px;
    margin-bottom: 16px;
    font-size: 1.3rem;
    text-align: center;
}

.shop-item {
    background: #333;
    border: 1px solid #555;
    color: #fff;
    padding: 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 80px;
    flex: 1;
    min-width: 200px;
}

.shop-item:hover:not(:disabled) {
    background: #444;
    transform: translateY(-2px);
}

.shop-item:disabled {
    background: #282828;
    color: #666;
    cursor: not-allowed;
    border-color: #444;
}

.shop-item .item-name {
    font-size: 1rem;
    margin-bottom: 8px;
    text-align: center;
}

.shop-item .item-cost {
    font-size: 1.1rem;
    font-weight: bold;
    color: #ffd700;
}

.shop-item.permanent .item-name {
    color: #87ceeb;
}

#start-next-wave-btn {
    font-size: 1.8rem;
    padding: 16px 64px;
    border-radius: 8px;
    border: none;
    background: #c62828;
    color: white;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
    margin-top: 16px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

#start-next-wave-btn:hover {
    background: #d32f2f;
}
#start-next-wave-btn {
    font-size: 1.8rem;
    padding: 16px 64px;
    border-radius: 8px;
    border: none;
    background: #c62828;
    color: white;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
    margin-top: 16px;
}

#start-next-wave-btn:hover {
    background: #d32f2f;
}

/* Hide HUD elements when shop is active */
body.shop-active .hud,
body.shop-active #status,
body.shop-active .crosshair,
body.shop-active #debug-pos,
body.shop-active #label-container,
body.shop-active #damage-overlay,
body.shop-active #damage-number-container {
    display: none !important;
}

body.menu-active #shop-overlay {
    display: none !important;
}