/* Base Styles */
:root {
    --primary: #2C3E50;
    --secondary: #E74C3C;
    --success: #2ECC71;
    --warning: #F39C12;
    --background: #F7F9FC;
    --text: #34495E;
    --light-background: #FFF9E6;
    --border: #E0E0E0;
    --transition-duration: 0.5s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--light-background);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    padding: 1rem;
    background-color: var(--light-background);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

.social-link:hover {
    color: var(--secondary);
}

.social-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    bottom: -3px;
    left: 0;
    transition: width 0.3s ease;
}

.social-link:hover::after {
    width: 100%;
}

/* Responsive for small screens */
@media (max-width: 500px) {
    header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .social-links {
        font-size: 0.8rem;
        gap: 0.5rem;
    }
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.game-title {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    justify-content: center;
}

.game-title h1 {
    font-size: 2.5rem;
    color: var(--primary);
    margin: 0 0.5rem;
}

.star {
    width: 30px;
    height: 30px;
}

.game-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 800px;
    padding: 3rem;
}

#password-input-container {
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

#password-input-container label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary);
}

#password-input {
    width: 100%;
    padding: 1rem 1.2rem;
    font-size: 1.2rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: 'Source Code Pro', monospace;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

#password-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.2), 0 2px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.char-counter {
    position: absolute;
    right: 0px;
    top: 15%;
    transform: translateY(-50%);
    background-color: var(--primary);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 1.3rem;
    font-weight: bold;
    transition: all 0.3s ease;
    opacity: 0.95;
    font-family: 'Source Code Pro', monospace;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 5;
}

.char-counter::before {
    content: "";
}

.char-counter:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.next-rule-container {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    pointer-events: none;
    z-index: 10;
    margin-top: 10px;
}

.next-rule-container.show {
    transform: translateY(0);
    opacity: 1;
    animation: pulse 1s infinite;
}

#rules-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.rule-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.completed-section {
    margin-top: 1rem;
    border-top: 1px dashed var(--border);
    padding-top: 1rem;
}

.completed-heading {
    font-size: 1rem;
    color: var(--success);
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.completed-rule {
    opacity: 0.7;
    transform: scale(0.95);
    transition: all 0.3s ease;
}

.completed-rule:hover {
    opacity: 1;
    transform: scale(1);
}

.rule {
    padding: 1.2rem 1.5rem;
    border-radius: 8px;
    transition: all var(--transition-duration) ease;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 0.5rem;
}

.rule-number {
    font-weight: 700;
    margin-right: 1rem;
    min-width: 32px;
    font-size: 1.1rem;
}

.rule-text {
    flex: 1;
    font-size: 1.1rem;
    line-height: 1.5;
}

.rule.valid {
    background-color: rgba(46, 204, 113, 0.1);
    border-left: 3px solid var(--success);
    animation: slideDown 0.8s forwards;
    transform-origin: top;
}

.rule.invalid {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 3px solid var(--secondary);
}

.rule.new {
    animation: popIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.rule.completed {
    height: 0;
    padding: 0;
    margin: 0;
    border: none;
    opacity: 0;
    transition: all 0.8s ease;
}

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

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-20px); }
}

@keyframes popIn {
    0% { opacity: 0; transform: scale(0.8) translateY(-10px); }
    50% { transform: scale(1.05) translateY(0); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes slideDown {
    0% { transform: translateY(0); }
    20% { transform: translateY(-5px); }
    100% { transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

.hidden {
    display: none !important;
}

#level-completion {
    text-align: center;
    padding: 2rem;
    animation: confetti 0.7s ease-out;
}

#level-completion h2 {
    color: var(--success);
    margin-bottom: 1rem;
    animation: pulse 1.5s infinite;
}

.celebration-container {
    text-align: center;
    padding: 3rem 2rem;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: popIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    margin: 2rem 0;
}

.celebration-container h2 {
    color: var(--success);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    animation: pulse 1.5s infinite;
}

.celebration-container p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.completion-animation {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: bounce 1s infinite;
}

.total-rules-count {
    font-weight: bold;
    color: var(--primary);
}

@keyframes confetti {
    0% { transform: translateY(-20px); opacity: 0; }
    50% { opacity: 0.5; }
    100% { transform: translateY(0); opacity: 1; }
}

.password-summary {
    background-color: var(--background);
    padding: 1rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    word-break: break-all;
    font-family: 'Source Code Pro', monospace;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    font-size: 1.1rem;
}

.final-password {
    font-weight: bold;
    color: var(--primary);
}

#restart-button, #restart-game-button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

#restart-button:hover, #restart-game-button:hover {
    background-color: #1a2530;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}

footer {
    text-align: center;
    padding: 1rem;
    margin-top: auto;
    font-size: 0.9rem;
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive styles */
@media (max-width: 900px) {
    .game-container {
        padding: 2rem;
    }
    
    .game-title h1 {
        font-size: 2rem;
    }
}

@media (max-width: 700px) {
    .char-counter {
        padding: 8px 15px;
        font-size: 1.1rem;
    }
    
    .char-counter::before {
        display: none;
    }
}

@media (max-width: 600px) {
    .game-container {
        padding: 1.5rem;
    }
    
    .game-title h1 {
        font-size: 1.5rem;
    }
    
    #password-input-container {
        margin-top: 2rem;
    }
}