/* --- USER-DEFINED VARIABLES (UPDATED) --- */
:root {
    --primary: #00ff88;
    --secondary: #0099ff;
    --accent: #ff3366;
    --dark: #0a0a0a;
    --dark-gray: #1a1a1a;
    --gray: #2a2a2a;
    --light: #f5f5f5;
    --transition: all 0.3s ease;
    --bg-color: var(--dark);
    --card-bg: var(--dark-gray);
    --border-color: rgba(255, 255, 255, 0.2);
    --success: #4CAF50; 
}

/* --- LIGHT THEME (NEW) --- */
[data-theme="light"] {
    --primary: #0099ff;
    --secondary: #00cc88;
    --accent: #ff3366;
    --dark: #f5f5f5;
    --dark-gray: #ffffff;
    --gray: #e0e0e0;
    --light: #0a0a0a;
    --bg-color: var(--dark);
    --card-bg: var(--dark-gray);
    --border-color: rgba(0, 0, 0, 0.1);
}

/* --- BASE STYLES --- */

.ip-gen h3 {    color: var(--light);}
.ip-gen {    color: var(--light);}

.ip-gen h3 i{  color: var(--primary);}


.container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding-top: 20px; 
}

/* --- CARD STYLING --- */
.generator-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
}

/* --- DISPLAY AREA --- */
.result-display {
    background: var(--gray);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px; 
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.result-title {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.number-list {
    display: flex;
    flex-direction: column; 
    gap: 8px; 
    width: 100%; 
}

.number-item {
    background: var(--bg-color); 
    color: var(--light);
    padding: 10px 15px; 
    border-radius: 8px;
    font-size: 1.1rem; 
    font-weight: 500;
    transition: var(--transition);
    border-left: 5px solid var(--secondary); 
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 40px; 
}

.number-item:hover {
    opacity: 0.9;
    background: rgba(0, 0, 0, 0.5);
}

.number-item-content {
    letter-spacing: 0.5px; 
    overflow-x: auto;
    white-space: nowrap;
    flex-grow: 1; 
    padding-right: 15px;
}

/* --- COPY BUTTON --- */
.copy-row-btn {
    background: var(--primary);
    color: var(--dark);
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    margin-left: 10px;
    flex-shrink: 0; 
}

.copy-row-btn:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

/* --- OPTIONS --- */
.options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

.option-controls {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 20px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 15px;
    border: 1px dashed var(--border-color);
    border-radius: 10px;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 1.1rem;
}

.option-label i {
    color: var(--primary);
}

select {
    background-color: var(--dark-gray);
    color: var(--light);
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 8px;
    font-size: 1rem;
    appearance: none; 
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2300ff88%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13.2-5.4H18.6a17.6%2017.6%200%200%200-13.2%205.4A17.6%2017.6%200%200%200%200%2082.6c0%204.8%202%209.2%205.4%2012.8l133.2%20133.2a17.6%2017.6%200%200%200%2025.6%200l133.2-133.2c3.4-3.6%205.4-8%205.4-12.8s-2-9.2-5.4-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 10px top 50%;
    background-size: 12px auto;
}

.value-display {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
}

/* --- BUTTONS --- */
.generate-btn {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border: none;
    border-radius: 50px;
    color: var(--dark); 
    padding: 18px 30px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.generate-btn.success {
    background-image: none !important;
    background-color: var(--success) !important;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 255, 136, 0.3);
}

.copy-all-btn {
    background-color: var(--secondary);
    color: var(--dark); 
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.copy-all-btn:hover {
    opacity: 0.9;
}

/* --- MEDIA QUERIES --- */
@media (max-width: 600px) {
    .option-controls {
        grid-template-columns: 1fr; 
    }
    .number-item-content {
        font-size: 1rem;
    }
}