@import url('https://fonts.googleapis.com/css2?family=El+Messiri:wght@400;700&family=Poppins:wght@400;500;600&display=swap');

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #eaffea 0%, #dcffdc 100%);
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    padding: 20px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    line-height: 1.6;
}

.glass-box {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    width: 90%;
    max-width: 450px;
    text-align: center;
    border: 1px solid rgba(178, 230, 178, 0.3);
    box-shadow: 0 8px 32px rgba(0, 153, 0, 0.1);
    margin: 15px 0;
    height: auto;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeIn 0.5s ease-out;
}

.glass-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 36px rgba(0, 153, 0, 0.15);
}

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

h1, h2 {
    font-family: 'El Messiri', sans-serif;
    font-size: 28px;
    font-weight: bold;
    text-transform: uppercase;
    color: #009900;
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    text-shadow: 2px 2px 4px rgba(0, 153, 0, 0.1);
}

h1::after, h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: #4CAF50;
    margin: 10px auto 0;
    border-radius: 2px;
    animation: widthAnim 0.5s ease-out;
}

@keyframes widthAnim {
    from { width: 0; }
    to { width: 60px; }
}

.key-detail {
    font-size: 15px;
    color: #333;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transition: all 0.3s ease;
}

.key-detail:hover {
    background: rgba(76, 175, 80, 0.1);
    border-radius: 8px;
    padding: 8px 20px;
}

.box-container {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 15px;
}

.box {
    flex: 1;
    padding: 15px;
    border-radius: 12px;
    text-align: center;
    font-size: 18px;
    font-weight: 500;
    margin: 5px;
    height: auto;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.box:hover::before {
    transform: translateX(0);
}

.green-box {
    background: linear-gradient(135deg, #eaffea 0%, #d0ffd0 100%);
    border: 1px solid #b2e6b2;
    color: #009900;
}

.red-box {
    background: linear-gradient(135deg, #ffebeb 0%, #ffd0d0 100%);
    border: 1px solid #e6b2b2;
    color: #990000;
}

.blue-box {
    background: linear-gradient(135deg, #ebf5ff 0%, #d0e6ff 100%);
    border: 1px solid #b2cce6;
    color: #004d99;
}

.gold-box {
    background: linear-gradient(135deg, #fffbeb 0%, #fff2d0 100%);
    border: 1px solid #e6d9b2;
    color: #997300;
}

.history-item {
    display: flex;
    flex-direction: column;
    padding: 15px;
    margin: 8px 0;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid #b2e6b2;
    border-radius: 10px;
    text-align: left;
    transition: all 0.3s ease;
    animation: slideIn 0.3s ease-out;
}

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

.history-item:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 153, 0, 0.1);
}

.status-icon {
    margin-right: 8px;
    transition: transform 0.3s ease;
}

.history-item:hover .status-icon {
    transform: scale(1.2);
}

#historyContainer {
    padding: 10px;
}

.period-section {
    margin: 15px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 16px;
    font-weight: 500;
}

#countdown {
    color: #009900;
    font-weight: 600;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

.footer {
    text-align: center;
    font-size: 14px;
    color: #666;
    margin-top: 30px;
    padding: 20px;
    width: 100%;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    border-radius: 10px;
}

@media (max-width: 480px) {
    .glass-box {
        width: 95%;
        padding: 20px;
    }

    .box-container {
        flex-direction: column;
        gap: 10px;
    }

    .box {
        margin: 5px 0;
    }

    .period-section {
        flex-direction: column;
        gap: 10px;
    }
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin: 10px 0;
}

button:hover {
    background-color: #45a049;
}

.output-section {
    margin-top: 20px;
}

#copy-btn {
    background-color: #2196F3;
}

#copy-btn:hover {
    background-color: #1976D2;
}

.options {
    margin: 15px 0;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 4px;
}

.options label {
    margin-right: 15px;
    cursor: pointer;
}

.preview-section {
    margin-top: 20px;
    border-top: 1px solid #ddd;
    padding-top: 20px;
}

#preview-frame {
    width: 100%;
    height: 300px;
    border: 1px solid #ddd;
    border-radius: 4px;
}