/* Number Guesser CSS - Improved */

.number-guesser-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}
.number-guesser-content {
    background: linear-gradient(135deg, #181a20 60%, #232946 100%);
    border: 2.5px solid #a259ff;
    border-radius: 14px;
    padding: 32px 18px;
    color: #fff;
    font-family: 'Orbitron', sans-serif;
    text-align: center;
    max-width: 480px;
    box-shadow: 0 4px 24px #a259ff33;
}
.number-guesser-content h3 {
    color: #a259ff;
    margin-top: 0;
    border-bottom: 1.5px solid #a259ff44;
    padding-bottom: 10px;
    font-size: 1.3em;
    letter-spacing: 1px;
}
.number-guesser-stats {
    text-align: left;
    margin: 20px 0;
}
.number-guesser-stat-item {
    margin: 10px 0;
    padding: 10px 14px;
    background: #232946;
    border-radius: 7px;
    color: #a259ff;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.05em;
    border: 1.5px solid #a259ff;
}
.number-guesser-new-game-btn {
    background: linear-gradient(90deg, #a259ff 60%, #00f7ff 100%);
    color: #181a20;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    cursor: pointer;
    margin: 10px;
    font-size: 1.05em;
    transition: all 0.2s;
}
.number-guesser-new-game-btn:hover {
    background: linear-gradient(90deg, #00f7ff 60%, #a259ff 100%);
    color: #fff;
    transform: scale(1.05);
}
.number-guesser-close-btn {
    background: #232946;
    color: #a259ff;
    border: 2px solid #a259ff;
    padding: 10px 24px;
    border-radius: 8px;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    cursor: pointer;
    margin: 10px;
    font-size: 1.05em;
    transition: all 0.2s;
}
.number-guesser-close-btn:hover {
    background: #a259ff;
    color: #fff;
}
.number-guesser-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #a259ff;
    color: #fff;
    padding: 10px 20px;
    border-radius: 7px;
    font-family: 'Orbitron', sans-serif;
    z-index: 1000;
    animation: slideIn 0.3s ease;
    box-shadow: 0 2px 12px #a259ff33;
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}
@media (max-width: 600px) {
    .number-guesser-content {
        padding: 10px 2vw;
        max-width: 98vw;
    }
    .number-guesser-new-game-btn, .number-guesser-close-btn {
        padding: 8px 12px;
        font-size: 1em;
    }
}
/* Binary Search Demo Modal */
.binary-search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}
.binary-search-content {
    background: linear-gradient(135deg, #181a20 60%, #232946 100%);
    border: 2.5px solid #a259ff;
    border-radius: 14px;
    padding: 32px 18px;
    color: #fff;
    font-family: 'Orbitron', sans-serif;
    text-align: center;
    max-width: 540px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 24px #a259ff33;
}
.binary-search-content h3 {
    color: #a259ff;
    margin-top: 0;
    border-bottom: 1.5px solid #a259ff44;
    padding-bottom: 10px;
    font-size: 1.2em;
    letter-spacing: 1px;
}
.binary-search-step {
    margin: 10px 0;
    padding: 10px 14px;
    background: #232946;
    border-radius: 7px;
    color: #a259ff;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.05em;
    border: 1.5px solid #a259ff;
    text-align: left;
}
.binary-search-close-btn {
    background: #232946;
    color: #a259ff;
    border: 2px solid #a259ff;
    padding: 10px 24px;
    border-radius: 8px;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    cursor: pointer;
    margin: 10px;
    font-size: 1.05em;
    transition: all 0.2s;
}
.binary-search-close-btn:hover {
    background: #a259ff;
    color: #fff;
} 

/* Number Guessing Game */

.number-guesser-container {
    background: linear-gradient(135deg, rgba(26,26,32,0.85) 60%, rgba(35,41,70,0.92) 100%);
    border: 2.5px solid #a259ff;
    border-radius: 28px;
    padding: 48px 36px 36px 36px;
    color: #fff;
    font-family: 'Orbitron', 'Segoe UI', Arial, sans-serif;
    max-width: 600px;
    margin: 64px auto;
    box-shadow: 0 12px 48px 0 #a259ff66, 0 4px 32px #00f7ff33, 0 0 0 8px #a259ff22;
    position: relative;
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    transition: box-shadow 0.3s, border 0.3s, background 0.3s;
    animation: floatCard 1.2s cubic-bezier(.4,2,.6,1) 1;
}
@keyframes floatCard {
    0% { opacity: 0; transform: translateY(40px) scale(0.98); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}
.game-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 22px;
    animation: neonGlow 2.5s infinite alternate;
}
@keyframes neonGlow {
    0% { text-shadow: 0 0 8px #a259ff, 0 0 2px #fff; }
    100% { text-shadow: 0 0 24px #00f7ff, 0 0 8px #a259ff; }
}
.game-header h2 {
    color: #a259ff;
    font-size: 2.3rem;
    letter-spacing: 2.5px;
    font-family: 'Orbitron', 'Segoe UI', Arial, sans-serif;
    font-weight: 900;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-shadow: 0 2px 18px #a259ff66, 0 0 8px #00f7ff44;
    transition: color 0.2s;
}
.game-info {
    display: flex;
    gap: 22px;
    justify-content: center;
    color: #00f7ff;
    font-family: 'Rajdhani', 'Segoe UI', Arial, sans-serif;
    font-size: 1.18rem;
    margin-bottom: 10px;
    text-shadow: 0 1px 8px #00f7ff44;
}
.game-area {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.game-message {
    color: #fff;
    font-size: 1.18em;
    font-family: 'Rajdhani', 'Segoe UI', Arial, sans-serif;
    background: rgba(35,41,70,0.92);
    border: 2.5px solid #a259ff;
    border-radius: 14px;
    padding: 12px 22px;
    margin-right: 10px;
    min-width: 200px;
    box-shadow: 0 2px 16px #a259ff33, 0 0 8px #00f7ff22;
    transition: border 0.2s, box-shadow 0.2s;
    font-weight: 600;
}
#guess-input {
    background: rgba(35,41,70,0.92);
    color: #a259ff;
    border: 2.5px solid #a259ff;
    border-radius: 12px;
    font-family: 'Rajdhani', 'Segoe UI', Arial, sans-serif;
    font-size: 1.18em;
    padding: 12px 20px;
    min-width: 100px;
    outline: none;
    transition: border 0.2s, box-shadow 0.2s, color 0.2s;
    box-shadow: 0 2px 16px #a259ff22;
    font-weight: 600;
}
#guess-input:focus {
    border-color: #00f7ff;
    box-shadow: 0 0 0 4px #00f7ff88;
    color: #fff;
}
.game-area button {
    background: linear-gradient(90deg, #a259ff 60%, #00f7ff 100%);
    color: #181a20;
    border: none;
    padding: 14px 32px;
    border-radius: 12px;
    font-family: 'Orbitron', 'Segoe UI', Arial, sans-serif;
    font-weight: 900;
    font-size: 1.18em;
    letter-spacing: 1.2px;
    cursor: pointer;
    box-shadow: 0 2px 20px #a259ff33, 0 0 8px #00f7ff22;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.1s;
    outline: none;
    margin-right: 8px;
    position: relative;
    overflow: hidden;
}
.game-area button::after {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    border-radius: 12px;
    box-shadow: 0 0 24px 8px #00f7ff44;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}
.game-area button:hover::after, .game-area button:focus::after {
    opacity: 1;
}
.game-area button:hover, .game-area button:focus {
    background: linear-gradient(90deg, #00f7ff 60%, #a259ff 100%);
    color: #fff;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 36px #00f7ff77, 0 0 16px #a259ff55;
    z-index: 1;
}
.game-area button:active {
    background: #51cf66;
    color: #181a20;
    transform: scale(0.98);
}
.hint-area {
    margin-top: 18px;
    text-align: center;
}
.hint-display {
    color: #a259ff;
    font-family: 'Rajdhani', 'Segoe UI', Arial, sans-serif;
    font-size: 1.5em;
    margin-top: 12px;
    min-height: 32px;
    text-shadow: 0 1px 8px #a259ff44;
    font-weight: 900;
    letter-spacing: 1px;
    background: rgba(35,41,70,0.92);
    border-radius: 10px;
    padding: 12px 18px;
    display: inline-block;
    box-shadow: 0 2px 12px #a259ff22;
    transition: background 0.2s, color 0.2s;
}
.hint-flash {
    animation: hintFlash 0.7s linear 2;
    background: linear-gradient(90deg, #a259ff 60%, #00f7ff 100%);
    color: #fff;
    box-shadow: 0 0 24px #00f7ff88, 0 0 8px #a259ff;
}
@keyframes hintFlash {
    0% { background: #a259ff; color: #fff; }
    30% { background: #00f7ff; color: #181a20; }
    60% { background: #a259ff; color: #fff; }
    100% { background: linear-gradient(90deg, #a259ff 60%, #00f7ff 100%); color: #fff; }
}
@media (max-width: 700px) {
    .number-guesser-container {
        padding: 18px 2vw;
        max-width: 98vw;
        margin: 18px auto;
    }
    .game-header h2 {
        font-size: 1.2rem;
    }
    .game-area {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .game-message {
        min-width: 0;
        font-size: 1em;
        margin-right: 0;
    }
    #guess-input {
        min-width: 0;
        font-size: 1em;
        padding: 8px 8px;
    }
    .game-area button {
        padding: 10px 12px;
        font-size: 1em;
    }
}