html {
    box-sizing: border-box;
    height: 100%;
}
*, *::before, *::after {
    box-sizing: inherit;
}

:root {
    --bg: #F8F9FA; 
    --text: #1F2937; 
    --primary: #54693b;       
    --primary-dark: #44542f;  
    --success: #3D8B40; 
    --error: #D9534F;   
    --line: #D0D0D0;    
    --card: #fcf9f1;    
    --shadow-light: 0 4px 15px rgba(0,0,0,0.08);
    --shadow-medium: 0 8px 25px rgba(0,0,0,0.1);
}

body {
    font-family: 'Noto Kufi Arabic', sans-serif;
    --bg-start: #e9dfc7; 
    --bg-end: #dcd0b1;   
    background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);
    color: var(--text);
    transition: background-color 0.5s ease;
    
    /* PRODUCTION GRADE MOBILE FIXES */
    height: 100dvh; /* Dynamic Viewport Height */
    width: 100vw;
    overflow: hidden; /* Prevent scrolling, handle by scaler */
    
    /* Safe Area Insets for Notch/Home Bar */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

#app {
    position: relative;
    z-index: 1;
    height: 100%;
    width: 100%;
    display: flex; /* Changed for scaler alignment */
    align-items: center;
    justify-content: center;
}

#game-scaler {
    /* This element is scaled via JS */
    transform-origin: center center;
    width: 100%;
    padding: 1rem;
    transition: transform 0.2s ease-out; /* Smooth resizing */
}

/* -------------------------------------- */
/* LOGO STYLING */
/* -------------------------------------- */
.app-logo {
    max-width: 250px; 
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 6px 8px rgba(0,0,0,0.15));
    transition: max-width 0.3s ease-in-out;
}
.game-header-logo {
    height: 28px; 
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
    margin-left: 0.5rem; 
}

#background-effects {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0; overflow: hidden; pointer-events: none;
}

.floating-letter {
    position: absolute; bottom: -50px; font-size: 2rem;
    color: rgba(84, 105, 59, 0.3);
    animation: floatUp 15s linear infinite;
}
@keyframes floatUp {
    0% { transform: translateY(0) rotate(0deg); opacity: 0; }
    10%, 90% { opacity: 1; }
    100% { transform: translateY(-105vh) rotate(360deg); opacity: 0; }
}

.page { display: none; width: 100%; flex-direction: column; align-items: center; }
.page.active { display: flex; }

.btn {
    transition: all 0.2s ease-in-out;
    border: 2px solid transparent;
    box-shadow: var(--shadow-light);
    border-radius: 0.75rem; 
}
.btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-medium); }
.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-dark); }

.keyboard-btn {
    transition: all 0.2s ease-in-out;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    background-color: var(--card);
}
.keyboard-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0,0,0,0.15); }
.keyboard-btn:disabled { opacity: 0.5; box-shadow: none; cursor: not-allowed; }
.keyboard-btn.correct { background-color: var(--success); color: white; transform: scale(1.05); }
.keyboard-btn.incorrect { background-color: var(--error); color: white; animation: shake 0.5s; }

@keyframes shake {
    0%, 100% { transform: translateX(0); } 10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.word-letter { transition: all 0.5s ease; transform-style: preserve-3d; }
.word-letter.revealed .letter-inner { transform: rotateX(360deg); }
.letter-inner { transition: transform 0.6s; position: relative; }
.letter-inner > div {
    background-color: var(--card); border: 2px solid var(--line);
    border-radius: 8px; box-shadow: var(--shadow-light);
}
.word-letter.revealed .letter-inner > div {
    background-color: var(--primary); color: white;
    border-color: var(--primary-dark); box-shadow: var(--shadow-medium);
}

.difficulty-btn.active {
    box-shadow: 0 0 0 3px var(--primary); transform: translateY(-2px);
}

dialog {
    border: none; padding: 0; border-radius: 1rem;
    box-shadow: var(--shadow-medium); background-color: var(--card);
    max-width: 90%; width: 500px;
    z-index: 100; /* Ensure dialogs are above everything */
}
dialog::backdrop { background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(5px); }
dialog > div { padding: 1.5rem; }

/* Hangman Styles */
#hangman-container { width: 200px; height: 250px; transform-origin: center top; }
.gallows-part { background-color: #475569; position: absolute; border-radius: 3px; }
.gallows-part.rope {
    width: 6px; height: 45px; top: 0; left: 160px;
    border-radius: 6px 6px 0 0; transform: translateX(-50%);
}

#hangman-figure { position: absolute; width: 100%; height: 100%; transition: transform 1s ease-in; }
.hangman-part {
    background-color: #475569; border: 2px solid #334155; position: absolute;
    transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}

#hangman-head { width: 40px; height: 40px; border-radius: 50%; top: 40px; left: 140px; }
#hangman-body { width: 5px; height: 60px; border-radius: 3px; top: 80px; left: 158px; }
#hangman-arm-left { width: 5px; height: 40px; border-radius: 3px; top: 90px; left: 150px; transform: rotate(20deg); transform-origin: top center; }
#hangman-arm-right { width: 5px; height: 40px; border-radius: 3px; top: 90px; left: 165px; transform: rotate(-20deg); transform-origin: top center; }
#hangman-leg-left { width: 5px; height: 45px; border-radius: 3px; top: 135px; left: 150px; transform: rotate(20deg); transform-origin: top center; }
#hangman-leg-right { width: 5px; height: 45px; border-radius: 3px; top: 135px; left: 165px; transform: rotate(-20deg); transform-origin: top center; }

.hangman-face-part { background-color: white; position: absolute; }
#hangman-eye-left, #hangman-eye-right { width: 4px; height: 4px; border-radius: 50%; top: 55px; }
#hangman-eye-left { left: 150px; } #hangman-eye-right { left: 165px; }
#hangman-mouth {
    width: 15px; height: 8px; border: 2px solid white; border-top: none;
    border-radius: 0 0 15px 15px; top: 65px; left: 152px; background: transparent !important;
}
#hangman-ear-left, #hangman-ear-right {
    width: 6px; height: 10px; border: 2px solid #334155; border-radius: 50%;
    top: 55px; background: transparent !important;
}
#hangman-ear-left { left: 135px; } #hangman-ear-right { left: 178px; }
#hangman-hair {
    width: 20px; height: 10px; border-top: 4px solid #334155; border-radius: 10px 10px 0 0;
    top: 35px; left: 150px; background: transparent !important;
}

.word-input-wrapper { position: relative; }
#toggle-password {
    position: absolute; top: 50%; left: 12px; transform: translateY(-50%);
    cursor: pointer; font-size: 1.5rem; color: #9ca3af;
}

/* Animations */
.wiggle { animation: wiggle 1.2s ease-in-out infinite; }
#hangman-head.wiggle { transform-origin: center 80%; }
#hangman-body.wiggle { transform-origin: top center; }
.wiggle { transform-origin: top center; }
@keyframes wiggle {
    0%, 100% { transform: rotate(3deg); } 50% { transform: rotate(-3deg); }
}
@keyframes fall {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(200px) rotate(90deg); opacity: 0; }
}
#hangman-figure.falling { animation: fall 1.2s ease-in forwards; }

.dir-ltr { direction: ltr; }