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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
    animation: slideDown 0.6s ease-out;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.header p {
    font-size: 1.1em;
    opacity: 0.9;
}

/* Auth Section */
.auth-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    animation: slideUp 0.6s ease-out;
}

.code-input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    align-items: center;
}

.code-input-group label {
    font-weight: 600;
    color: #333;
}

.code-input-group input {
    flex: 1;
    min-width: 200px;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.code-input-group input:focus {
    outline: none;
    border-color: #667eea;
}

.code-input-group button {
    padding: 12px 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.code-input-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.code-input-group button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* Status Messages */
.status-message {
    padding: 12px 15px;
    border-radius: 8px;
    font-weight: 500;
    animation: slideUp 0.3s ease-out;
}

.status-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.status-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* User Info */
.user-info {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 600;
    animation: slideDown 0.4s ease-out;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

/* Project Card */
.project-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: scaleIn 0.5s ease-out;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.project-card h2 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.3em;
}

.project-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
    font-size: 0.95em;
}

/* Vote Info */
.vote-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background: #f0f2ff;
    border-radius: 8px;
}

.vote-count {
    font-size: 2em;
    font-weight: bold;
    color: #667eea;
}

.vote-label {
    color: #666;
    font-size: 1em;
}

/* Score Input */
.score-input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    padding: 0 5px;
}

.score-input label {
    font-weight: 600;
    color: #333;
}

.score-selector {
    padding: 8px 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 1em;
    background-color: white;
    cursor: pointer;
    outline: none;
}

.score-selector:focus {
    border-color: #667eea;
}

/* Vote Button */
.vote-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.vote-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.vote-btn:active {
    transform: scale(0.98);
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 40px;
}

.change-code-btn {
    padding: 12px 40px;
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.change-code-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8em;
    }

    .code-input-group {
        flex-direction: column;
    }

    .code-input-group input {
        min-width: 100%;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}