/* Modern Color Palette */
:root {
    --primary-color: #2ecc71;     /* Emerald green */
    --secondary-color: #e74c3c;   /* Soft red */
    --bg-color: #2c3e50;         /* Dark blue-grey */
    --text-color: #ecf0f1;       /* Light grey */
    --container-bg: #34495e;     /* Lighter blue-grey */
    --shadow-color: rgba(46, 204, 113, 0.3);
    --hover-transform: translateY(-2px);
    --hover-shadow: 0 5px 15px rgba(46, 204, 113, 0.4);
    --gradient-primary: linear-gradient(90deg, var(--primary-color) 0%, #27ae60 100%);
    --gradient-success: linear-gradient(90deg, #00ff00, #00ff00);
    --button-transition: all 0.3s ease;
}

/* General body styling */
body {
    font-family: 'Segoe UI', 'Arial', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
    position: fixed;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Header styling */
h1 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5em;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* Main container styling */
.container {
    width: 90%;
    max-width: 500px;
    background: var(--container-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.6s ease-out;
    max-height: 90vh; /* Change from height: 100vh to max-height: 90vh */
    overflow-y: auto;
    box-sizing: border-box;
    position: relative;
}

/* Input section styling */
.input-section {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1em;
    color: var(--text-color);
}

input[type="text"] {
    width: calc(100% - 24px);
    padding: 12px;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-size: 1.1em;
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-color);
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--shadow-color);
    background: rgba(0, 0, 0, 0.2);
}

/* Button group styling */
.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

button {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#startGuessing {
    background: var(--primary-color);
    color: var(--container-bg);
}

#startGuessing:hover {
    background: #27ae60;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.4);
}

#stopGuessing {
    background: var(--secondary-color);
    color: var(--text-color);
}

#stopGuessing:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

/* Progress bar container styling */
#progressContainer {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 4px;
    position: relative;
    height: 40px;
    margin: 2rem 0;
    overflow: visible;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

/* Progress bar text */
#progressText {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.1em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    z-index: 4;
    margin: 0;
    pointer-events: none;
}

/* Progress bar itself */
#progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--gradient-primary);
    transition: width 0.1s linear;
    border-radius: 6px;
    z-index: 3;
    display: block;
}

/* Progress completion effect */
#progress[style*="width: 100%"] {
    background: var(--gradient-success);
}

/* Output message styling */
#output {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.1em;
    text-align: center;
    font-weight: 500;
    background: rgba(0, 0, 0, 0.1);
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Popup styling */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.popup.active {
    display: flex;
    opacity: 1;
    align-items: center;
    justify-content: center;
}

.popup-content {
    background: var(--container-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 0 30px var(--shadow-color);
    max-width: 400px;
    width: 90%;
    text-align: center;
    position: relative;
    transform: scale(0.8);
    transition: transform 0.3s ease-out;
}

.popup.active .popup-content {
    transform: scale(1);
}

#closePopup {
    margin-top: 1rem;
    padding: 10px 20px;
    background: var(--primary-color);
    color: var(--container-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

#closePopup:hover {
    background: #27ae60;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.4);
}

/* Info button styling */
.info-button {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    font-size: 18px;
    font-weight: bold;
    font-family: 'Segoe UI', Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
    padding: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
}

.info-button:hover {
    background: var(--primary-color);
    color: var(--container-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.4);
}

.info-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(46, 204, 113, 0.4);
}

/* Apply base styles to buttons */
#startGuessing,
#stopGuessing,
#closePopup,
#closeInfoPopup {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: var(--button-transition);
}

#startGuessing:hover,
#stopGuessing:hover,
#closePopup:hover,
#closeInfoPopup:hover {
    transform: var(--hover-transform);
    box-shadow: var(--hover-shadow);
}

/* Strength Meter Container */
#strengthMeter {
    width: 100%;
    height: 10px;
    background: #ddd;
    border-radius: 5px;
    margin-top: 10px;
    overflow: hidden;
    position: relative;
}

/* Strength Bar */
#strengthBar {
    height: 100%;
    width: 0;
    background: red;
    transition: width 0.3s ease, background-color 0.3s ease;
}

/* Strength Text */
#strengthText {
    margin-top: 5px;
    font-size: 0.9em;
    color: #fff;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}