/* ════════════════════════════════════════
   IMPORT & VARIABILI
   ════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --bg-color: #070707;
    --text-color: #FCF7F8;
    --accent-color: #961114;
    --accent-dim: rgba(150, 17, 20, 0.18);
    --accent-glow: rgba(150, 17, 20, 0.35);
    --card-bg: rgba(14, 14, 14, 0.78);
    --border-color: rgba(252, 247, 248, 0.07);
    --border-hover: rgba(252, 247, 248, 0.18);
    --nav-height: 70px;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', sans-serif;
    --success-color: #10b981;
    --error-color: #ef4444;
}

body.light-theme {
    --bg-color: #FCF7F8;
    --text-color: #070707;
    --card-bg: rgba(235, 235, 235, 0.88);
    --border-color: rgba(7, 7, 7, 0.08);
    --border-hover: rgba(7, 7, 7, 0.2);
    --accent-dim: rgba(150, 17, 20, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.5s cubic-bezier(0.4,0,0.2,1),
                color 0.5s cubic-bezier(0.4,0,0.2,1);
}

/* ════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════ */

.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background-color: rgba(7, 7, 7, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.5s cubic-bezier(0.4,0,0.2,1);
}
body.light-theme .navbar { background-color: rgba(252, 247, 248, 0.7); }

.navbar-container {
    height: var(--nav-height);
    padding: 0 2rem;
    display: flex; justify-content: space-between; align-items: center;
}
.navbar-logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon { width: auto; height: 40px; flex-shrink: 0; }
.logo-text { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.navbar-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-link { color: var(--text-color); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav-link:hover { color: var(--accent-color); }

.theme-toggle {
    background: none; border: 1px solid var(--border-color); border-radius: 50%;
    width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text-color); transition: all 0.2s; position: relative;
}
.theme-toggle:hover { border-color: var(--accent-color); transform: rotate(180deg); }
.sun-icon, .moon-icon { position: absolute; transition: opacity 0.2s, transform 0.2s; }
.sun-icon { opacity: 0; transform: rotate(-90deg); }
.moon-icon { opacity: 1; transform: rotate(0); }
body.light-theme .sun-icon { opacity: 1; transform: rotate(0); }
body.light-theme .moon-icon { opacity: 0; transform: rotate(90deg); }

/* ════════════════════════════════════════
   GAME CONTAINER
   ════════════════════════════════════════ */

.game-container {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
}

/* ════════════════════════════════════════
   HUD
   ════════════════════════════════════════ */

.hud {
    position: absolute;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2rem;
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 0.7rem 1.5rem;
}

.hud-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
}

.hud-label {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.5;
}

.hud-value {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.hint-btn {
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s;
}
.hint-btn:hover { border-color: var(--accent-color); color: var(--accent-color); background: var(--accent-dim); }
.hint-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ════════════════════════════════════════
   SVG FORCA + OMINO
   ════════════════════════════════════════ */

#hangmanSvg {
    width: 300px;
    height: 300px;
}

/* Draw animation per le parti */
.draw-part, .hang-part {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: none;
}

.draw-part.visible {
    animation: draw 0.6s ease-out forwards;
}

.hang-part.visible {
    animation: draw 0.5s ease-out forwards;
}

@keyframes draw {
    to { stroke-dashoffset: 0; }
}

/* Shake animation alla sconfitta */
#hangman.shake {
    animation: shake 0.5s ease-in-out;
}

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

/* Omino rosso alla sconfitta */
#hangman.defeated .hang-part {
    stroke: var(--error-color);
}

/* ════════════════════════════════════════
   WORD DISPLAY
   ════════════════════════════════════════ */

.word-display {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    flex-wrap: wrap;
    font-family: 'Courier New', monospace;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.3rem;
    min-height: 4rem;
}

.word-letter {
    min-width: 3rem;
    text-align: center;
    border-bottom: 3px solid var(--border-color);
    padding: 0.2rem 0;
    opacity: 1;
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

.word-letter.revealed {
    opacity: 1;
    transform: scale(1);
    animation: pop 0.4s cubic-bezier(0.68,-0.55,0.265,1.55);
}

@keyframes pop {
    0% { transform: scale(0.8); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* ════════════════════════════════════════
   TASTIERA
   ════════════════════════════════════════ */

.keyboard {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0.6rem;
    max-width: 700px;
    width: 100%;
}

.key-btn {
    aspect-ratio: 1;
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.18s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.key-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.key-btn:active:not(:disabled) {
    transform: translateY(0);
}

.key-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.key-btn.correct {
    background: var(--success-color);
    border-color: var(--success-color);
    color: #fff;
}

.key-btn.wrong {
    background: var(--error-color);
    border-color: var(--error-color);
    color: #fff;
}

/* ════════════════════════════════════════
   CONTROLS PANEL
   ════════════════════════════════════════ */

.controls-panel {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 200;
    width: 260px;
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}
body.light-theme .controls-panel { box-shadow: 0 8px 40px rgba(0,0,0,0.12); }

.controls-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 0.9rem;
    cursor: pointer;
    user-select: none;
}
.controls-title {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    opacity: 0.5;
}
.controls-minimize {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: all 0.18s;
    opacity: 0.5;
}
.controls-minimize:hover { opacity: 1; border-color: var(--accent-color); color: var(--accent-color); }

.controls-body {
    padding: 0 0.9rem 0.9rem;
    overflow: hidden;
    max-height: 300px;
    transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1),
                padding 0.35s cubic-bezier(0.4,0,0.2,1);
}
.controls-panel.minimized .controls-body {
    max-height: 0;
    padding-bottom: 0;
}
.controls-panel.minimized .controls-minimize { transform: rotate(180deg); }

.ctrl-row { margin-bottom: 0.75rem; }

.ctrl-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.7rem;
    font-weight: 500;
    opacity: 0.6;
    margin-bottom: 0.35rem;
    letter-spacing: 0.02em;
}

.ctrl-toggle-group {
    display: flex;
    gap: 0.3rem;
    margin-top: 0.4rem;
}
.ctrl-toggle {
    flex: 1;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.35rem 0.3rem;
    cursor: pointer;
    transition: all 0.18s;
    text-align: center;
    font-family: var(--font-body);
}
.ctrl-toggle:hover { border-color: var(--border-hover); }
.ctrl-toggle.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.ctrl-actions {
    margin-top: 0.9rem;
    padding-top: 0.7rem;
    border-top: 1px solid var(--border-color);
}
.ctrl-btn {
    width: 100%;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-color);
    border-radius: 7px;
    color: var(--text-color);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.5rem 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: all 0.18s;
    font-family: var(--font-body);
}
.ctrl-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: var(--accent-dim);
}

.ctrl-btn-primary {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 3px 16px var(--accent-glow);
    position: relative; overflow: hidden;
}
.ctrl-btn-primary::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
    opacity: 0; transition: opacity 0.25s;
}
.ctrl-btn-primary:hover {
    background: var(--accent-color);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 5px 22px var(--accent-glow);
}
.ctrl-btn-primary:hover::before { opacity: 1; }
.ctrl-btn-primary:active { transform: translateY(0); }

/* ════════════════════════════════════════
   OVERLAYS
   ════════════════════════════════════════ */

.game-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.4,0,0.2,1);
}

.game-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

.overlay-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    text-align: center;
    max-width: 500px;
    width: 90%;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.68,-0.55,0.265,1.55);
    position: relative;
}

.game-overlay.visible .overlay-content {
    transform: scale(1);
}

.overlay-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.overlay-subtitle {
    font-size: 1.1rem;
    opacity: 0.7;
    margin-bottom: 2rem;
}

.overlay-subtitle span {
    font-weight: 700;
    color: var(--accent-color);
}

.overlay-btn {
    background: var(--accent-color);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 2.5rem;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.overlay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px var(--accent-glow);
}

/* Word input overlay */
.word-input {
    width: 100%;
    background: rgba(255,255,255,0.06);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    outline: none;
    transition: border-color 0.2s;
    text-transform: uppercase;
}

.word-input:focus {
    border-color: var(--accent-color);
}

.word-input-hint {
    font-size: 0.75rem;
    opacity: 0.5;
    margin-bottom: 2rem;
}

/* Confetti canvas */
#confettiCanvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    border-radius: 20px;
}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */

@media (max-width: 768px) {
    .game-container {
        gap: 1.5rem;
        padding: 1rem;
    }
    
    .hud {
        top: 1rem;
        gap: 1rem;
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    #hangmanSvg {
        width: 250px;
        height: 250px;
    }
    
    .word-display {
        font-size: 2rem;
        gap: 0.5rem;
    }
    
    .word-letter {
        min-width: 2rem;
    }
    
    .keyboard {
        gap: 0.4rem;
        max-width: 100%;
    }
    
    .key-btn {
        font-size: 0.9rem;
    }
    
    .controls-panel {
        width: calc(100vw - 2rem);
        left: 1rem;
        bottom: 1rem;
    }
    
    .overlay-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    #hangmanSvg {
        width: 200px;
        height: 200px;
    }
    
    .word-display {
        font-size: 1.5rem;
    }
    
    .keyboard {
        grid-template-columns: repeat(9, 1fr);
        gap: 0.3rem;
    }
}

/* ════════════════════════════════════════
   ACCESSIBILITY
   ════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .draw-part, .hang-part, .word-letter, .overlay-content {
        animation: none !important;
        transition: none !important;
    }
}

button:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 2px; }
::selection { background: var(--accent-color); color: #fff; }